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64-472: Sod is grass and the part of the soil beneath it held together by the roots. Sod or SOD may also refer to: Sod In British and Australian English , sod is more commonly known as turf , and the word "sod" is limited mainly to agricultural senses. Sod is generally used for lawns , golf courses , and sports stadiums around the world. In residential construction, it is sold to landscapers , home builders or home owners who use it to establish

128-641: A coastal city in Norway at 70°N, is in zone 7, and even Longyearbyen , the northernmost true city in the world at 78°N, is still in zone 4. All these coastal locations have one thing in common, though, which are cool, damp summers, with temperatures rarely exceeding 20 °C (68 °F), or 15 °C (59 °F) in Longyearbyen. This shows the importance of taking heat zones into account for better understanding of what may or may not grow. In Sweden and Finland generally, at sea level to 500 metres (1,600 ft), zone 3

192-540: A continued warming trend in the United States' climate. The USDA plant hardiness zones for selected U.S. cities as based on the 2023 map are the following: As the USDA system is based entirely on average annual extreme minimum temperature in an area, it is limited in its ability to describe the climatic conditions a gardener may have to account for in a particular area: there are many other factors that determine whether or not

256-408: A dense plant canopy. This dense plant canopy can be used to propagate clonal varieties by sod, sprigs, or plugs. The aggressive and resilient nature of Bermuda grass makes it not only an excellent turfgrass but also a challenging and invasive weed in land cultivated for other purposes. Its one noted weakness is its relatively low tolerance of shade. Given the economic importance of Bermuda grass (as

320-519: A draft revised map, using temperature data collected from July 1986 to March 2002. The 2003 map placed many areas approximately a half-zone higher (warmer) than the USDA's 1990 map. Reviewers noted the map zones appeared to be closer to the original USDA 1960 map in its overall zone delineations. Their map purported to show finer detail, for example, reflecting urban heat islands by showing the downtown areas of several cities (e.g., Baltimore , Maryland; Washington, D.C. , and Atlantic City, New Jersey ) as

384-654: A full zone warmer than outlying areas. The map excluded the detailed a/b half-zones introduced in the USDA's 1990 map, an omission widely criticized by horticulturists and gardeners due to the coarseness of the resulting map. The USDA rejected the AHS 2003 draft map and created its own map in an interactive computer format, which the American Horticultural Society now uses. In 2006, the Arbor Day Foundation released an update of U.S. hardiness zones, using mostly

448-511: A given plant can survive in a given zone. Zone information alone is often not adequate for predicting winter survival, since factors such as frost dates and frequency of snow cover can vary widely between regions. Even the extreme minimum itself may not be useful when comparing regions in widely different climate zones . As an extreme example, due to the Gulf Stream most of the United Kingdom

512-560: A homogeneous surface. It has poor wear tolerance compared to Bermuda grass, making it less popular for applications such as athletic fields. Fine fescues ( F. rubra , F. ovina , F. trichophylla ) are less popular as sod than the tall fescues. As their names suggest, they exhibit much thinner leaf blades, and tolerate lower mowing heights than the tall fescues. They may be somewhat more resistant to common diseases. Otherwise, their characteristics are similar. Fine fescues are generally used in mixtures with other grasses. Bermuda grass

576-406: A lawn quickly and avoid soil erosion . Sod can be used to repair a small area of lawn, golf course, or athletic field that has died and is used as a quicker alternative to re-growing a lawn from seed. Sod is also effective in increasing cooling, improving air and water quality, and assisting in flood prevention by draining water. Scandinavia has a long history of employing sod roofing and

640-602: A popular coarse, wide–bladed coarse lawn planted throughout many areas of the Southeastern United States This grass is found in Mexico , Australia , and in tropical parts of Africa . It is a warm-season grass that does not handle cold weather very well. The majority of this grass is planted in vegetative forms (such as plugs and sod), as seeds are not usually available due to production difficulties. Captiva St. Augustine: Covington: Santee: Wildflower turf

704-489: A result of the more recent data, as well as new mapping methods and additional information gathered. Many areas were a half-zone warmer than the previous 1990 map. The 2012 map was created digitally for the internet, and includes a ZIP Code zone finder and an interactive map. In 2015, the Arbor Day Foundation revised another map, also with no a and b subdivisions, showing many areas having zones even warmer, with

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768-507: A rough guide for landscaping and gardening, defines 13 zones by long-term average annual extreme minimum temperatures. It has been adapted by and to other countries (such as Canada) in various forms. A plant may be described as "hardy to zone 10": this means that the plant can withstand a minimum temperature of 30 to 40 °F (−1.1 to 4.4 °C). Unless otherwise specified, in American contexts "hardiness zone" or simply "zone" usually refers to

832-479: A sampling methodology for testing. How to lay turf Hardiness zone A hardiness zone is a geographic area defined as having a certain average annual minimum temperature, a factor relevant to the survival of many plants. In some systems other statistics are included in the calculations. The original and most widely used system, developed by the United States Department of Agriculture (USDA) as

896-495: A series that breaks up climate zones more finely than the USDA zones, identifying 45 distinct zones in the US, incorporating ranges of temperatures in all seasons, precipitation, wind patterns, elevation, and length and structure of the growing season. In addition, the Köppen climate classification system can be used as a more general guide to growing conditions when considering large areas of

960-659: A sod product, agricultural forage, and, at times, as an invasive weed), it has been the subject of numerous studies. Celebration Bermuda grass: Discovery Bermuda grass: Bella Bluegrass: St. Augustine grass ( Stenotaphrum secundatum ) (also known as Charleston grass in South Carolina and Buffalo Turf in Australia) is warm-season, perennial grass that is a widely used. A native grass of tropical origin that extends from marshes ( salt and freshwater ), lagoon fringes , and sandy beach ridges . St. Augustine lawns are

1024-440: A ten-year record. One is in zone 4a, one in zone 4b, and the other is in zone 5a. Sydney residents are split between zones 3a and 4b. Different locations in the same city are suitable for different plants. Climate variables that reflect the capacity and detriments to plant growth are used to develop an index that is mapped to Canada's Plant Hardiness Zones. This index comes from a formula originally developed by Ouellet and Sherk in

1088-639: A traditional house type is the Icelandic turf house . In the United States , following the passage of the Homestead Act by Congress in 1862, settlers in the Great Plains used sod bricks to build entire sod houses . This was effective because the prairie sod of the Great Plains was so dense and difficult to cut it earned the nickname " Nebraska marble". Blacksmith John Deere made his fortune when he became

1152-467: Is 8–9 (some highland areas are slightly colder). The Spanish and Portuguese Atlantic coast, much of Andalusia and Murcia , coastal and slightly inland southern Valencian Community , a part of coastal Catalonia , the Balearic Islands , southwestern Sardinia , most of Sicily , coastal southern Italy, some areas around Albania , coastal Cyprus and southwestern Greece are in zone 10. In Europe,

1216-495: Is a type of lawn alternative that is made up of a mixture of wildflower seeds. These seeds are sown together and grow to form a lawn of flowers, rather than the traditional monoculture of grass found in a traditional lawn. Wildflower turf can be a low-maintenance and sustainable alternative to traditional lawns, as well as providing a habitat for beneficial insects and other wildlife. They often require less watering and fertilization than traditional lawns. Wildflower turf can be used in

1280-458: Is in zone 3b while nearby Kraków , only 80 km (50 mi) to the north and 300 m (980 ft) lower is in zone 6a. These examples prove that local topography can have a pronounced effect on temperature and thus on what is possible to grow in a specific region. The southern European marker plant for climate as well as cultural indicator is the olive tree , which cannot withstand long periods below freezing so its cultivation area matches

1344-526: Is in zones 8–9, while in the US, zones 8–9 include regions such as the subtropical coastal areas of the southeastern US and Mojave and Chihuahuan inland deserts, thus an American gardener in such an area may only have to plan for several nights of cold temperatures per year, while their British counterpart may have to plan for several months. In addition, the zones do not incorporate any information about duration of cold temperatures, summer temperatures, or sun intensity insolation ; thus sites which may have

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1408-508: Is north of the Arctic Circle, including cities like Karesuando and Pajala . Kiruna is the major exception here, which being located on a hill above frost traps , is in zone 5. Zone 4 lies between the Arctic Circle and about 64–66°N, with cities such as Oulu , Rovaniemi and Jokkmokk , zone 5 (south to 61–62°N) contains cities such as Tampere , Umeå , and Östersund . Zone 6 covers the south of mainland Finland, Sweden north of 60°N, and

1472-495: Is not common, as in moss-turf communities of sub Antarctica, some epifauna in the sea, coral reefs and, in New Zealand , as species-rich communities of plants under 5 cm (1.97 in) tall, on coastal headlands, dune hollows, rivers and lakes, where most of the natural cover was forest. A form of turf community is a herbfield . Turfgrasses suffer from a wide number of fungal diseases ; In 2023, Lane et al. , provided

1536-620: Is quite commonly used for golf courses and sports fields across the southern portions of the United States . It tolerates a range of climates in the U.S., from hot and humid lagoons , inlets , and bays of the Gulf Coast , to the arid expanses of terrain like plains and deserts in the Southwest and parts of the Lower Midwest . Established bermuda grass is a network of shoots , rhizomes , stolons , and crown tissue together that usually form

1600-514: Is the only means of producing additional plants. To grow these varieties for sale, turf farms use a technique called sprigging , where recently harvested sod mats are cut into slender rows and replanted in the field. Tall fescue ( Festuca spp.) is a cool-weather group of grasses originating in Europe, commonly used as sod. It is moderately tolerant to both drought and cold, and as such is especially popular in inland temperate environments referred to in

1664-432: Is typically harvested in small square or rectangular slabs, or large 4-foot-wide (1.2 m) rolls. The Mississippi State University has developed a hydroponic method of cultivating sod. For the very few sod farms that export turf internationally, this soilless sod may travel both lighter and better than traditional sod. Additionally, since the sod is not grown in soil, it does not need to be washed clean of soil down to

1728-403: Is usually fully functional within 30 days of installation and its root system is comparable to that of a seeding lawn two to three years older. Sod also reduces erosion by stabilizing the soil. Many prized cultivars (such as Bella Bluegrass, a brand-named dwarf variant of Kentucky Bluegrass ) can only be reproduced vegetatively rather than sexually (via seed). For these, sod cultivation

1792-639: The American Horticultural Society (AHS) heat zones use the average number of days per year when the temperature exceeds 30 °C (86 °F). The USDA system was originally developed to aid gardeners and landscapers in the United States. In the United States, most of the warmer zones (zones 9, 10, and 11) are located in the deep southern half of the country and on the southern coastal margins. Higher zones can be found in Hawaii (up to 12) and Puerto Rico (up to 13). The southern middle portion of

1856-545: The Dodecanese , Cyclades and some Argo-Saronic Gulf islands. The Mediterranean islands of Malta , Lampedusa and Linosa belong to zone 11a as well as a few areas on the southernmost coast of Cyprus . The Balkan area is also more prone to cold snaps and episodes of unseasonable warmth. For instance, despite having similar daily means and temperature amplitudes to Nantucket, Massachusetts , for each month, Sarajevo has recorded below-freezing temperatures in every month of

1920-503: The Gulf Coast , and southern Arizona and California , are responsible for the rarity of episodes of severe cold relative to normal in those areas. The warmest zone in the 48 contiguous states is the Florida Keys (11b) and the coldest is in north-central Minnesota (2b). A couple of locations on the northern coast of Puerto Rico have the warmest hardiness zone in the United States at 13b. Conversely, isolated inland areas of Alaska have

1984-461: The Polish Carpathians , which regularly reaches −35 °C (−31 °F) during winter on calm nights when cold and heavy airmasses from the surrounding Gorce and Tatra Mountains descend down the slopes to this low-lying valley, creating extremes which can be up to 10 °C (18 °F) colder than nearby Nowy Targ or Białka Tatrzańska , which are both higher up in elevation. Waksmund

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2048-565: The US National Arboretum in Washington . The first map was issued in 1960, and revised in 1965. It used uniform 10 °F (5.6 °C) ranges, and gradually became widespread among American gardeners. The USDA map was revised and reissued in 1990 with freshly available climate data, this time with five-degree distinctions dividing each zone into new "a" and "b" subdivisions. In 2003, the American Horticultural Society (AHS) produced

2112-490: The tropics , have hardiness zones that range from 12 to 13 in the coastal areas, while the lowest hardiness zone is found in the island of Fogo , in the country's highest peak Pico do Fogo . In addition to the USDA Hardiness zones there are American Horticultural Society (AHS) heat zones. The criterion is the average number of days per year when the temperature exceeds 30 °C (86 °F). The AHS Heat Zone Map for

2176-563: The Earth's surface or attempting to make comparisons between different continents. The Trewartha climate classification is often a good "real world" concept of climates and their relation to plants and their average growing conditions. The Australian National Botanic Gardens have devised another system keeping with Australian conditions. The zones are defined by steps of 5 degrees Celsius, from −15–−10 °C for zone 1 to 15–20 °C for zone 7. They are numerically about 6 lower than

2240-407: The US is available on the American Horticultural Society website. South Africa has five horticultural or climatic zones. The zones are defined by minimum temperature. The USDA map published in 2012 shows that most of the US has become a half zone (2.8 °C or 5 °F) hotter in winter compared to the 1990 release. Again, with the publication of the 2023 map, about half of the US has shifted

2304-589: The USDA scale. However, some confusion can exist in discussing buildings and HVAC , where "climate zone" can refer to the International Energy Conservation Code zones, where Zone 1 is warm and Zone 8 is cold. Other hardiness rating schemes have been developed as well, such as the UK Royal Horticultural Society and US Sunset Western Garden Book systems. A heat zone (see below) is instead defined by annual high temperatures;

2368-559: The USDA system. For example, Australian zone 3 is roughly equivalent to USDA zone 9. The higher Australian zone numbers had no US equivalents prior to the 2012 addition by USDA of zones 12 and 13. The spread of weather stations may be insufficient and too many places with different climates are lumped together. Only 738 Australian stations have records of more than ten years (one station per 98,491 hectares or 243,380 acres), though more populated areas have relatively fewer hectares per station. Mount Isa has three climatic stations with more than

2432-458: The United Kingdom's Royal Horticultural Society introduced new hardiness ratings for plants, not places. These run from H7, the hardiest (tolerant of temperatures below −20 °C (−4 °F)) to H1a (needing temperatures above 15 °C (59 °F)). The RHS hardiness ratings are based on absolute minimum winter temperatures (in °C) rather than the long-term average annual extreme minimum temperatures that define USDA zones. Scandinavia lies at

2496-421: The bare roots (or sprigs), so time to export is shortened. In many applications, such as erosion control and athletic fields, immediacy is a key factor. Seed may be blown about by the wind, eaten by birds, or fail because of drought . It takes some weeks to form a visually appealing lawn and further time before it is robust enough for use. Sod largely avoids these problems, and with proper care, newly laid sod

2560-548: The coldest hardiness zone in the United States at 1a. The first attempts to create a geographical hardiness zone system were undertaken by two researchers at the Arnold Arboretum in Boston ; the first was published in 1927 by Alfred Rehder , and the second by Donald Wyman in 1938. The Arnold map was subsequently updated in 1951, 1967, and finally 1971, but eventually fell out of use completely. The modern USDA system began at

2624-644: The cool winter zone. The Mediterranean Sea acts as a temperature regulator, so this area is generally warmer than other parts of the continent; except in mountainous areas where the sea effect lowers, it belongs in zones 8–10; however, southern Balkans (mountainous Western and Eastern Serbia , continental Croatia , and Bulgaria ) are colder in winter and are in zones 6–7. The Croatian ( Dalmatian ) coast, Albania , and northern Greece are in zones 8–9, as are central-northern Italy (hills and some spots in Po Valley are however colder) and southern France ; Central Iberia

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2688-420: The first to make a plow that could reliably cut the prairie sod. Different types of grass are used for sod installation. Sod is grown on specialist farms. For 2009, the United States Department of Agriculture reported 1,412 farms had 368,188 acres (149,000.4 ha) of sod in production. It is usually grown locally (within 100 miles of the target market) to minimize both the cost of transport and also

2752-580: The hardiness zones are high considering the latitude of the region, although not as high as Northern Europe with the Shetland Islands where zone 9 extends to over 60°N. In Central Europe, the relevant zones decrease from zone 8 on the Belgian, Dutch, and German North Sea coast, with the exception of some of the Frisian Islands (notably Vlieland and Terschelling ), the island of Helgoland , and some of

2816-553: The high plateau of Småland further south. Here one will find cities such as Gävle , Örebro , Sundsvall , and Helsinki . Åland , as well as coastal southern Sweden, and the Stockholm area are in zone 7. The west coast of Sweden ( Gothenburg and southwards) enjoys particularly mild winters and lies in zone 7, therefore being friendly to some hardy exotic species (found, for example, in the Gothenburg Botanical Garden ),

2880-507: The islands in the Rhine - Scheldt estuary, which are in zone 9, to zone 5 around Suwałki , Podlachia on the far eastern border between Poland and Lithuania . Some isolated, high elevation areas of the Alps and Carpathians may even go down to zone 3 or 4. An extreme example of a cold sink is Funtensee , Bavaria which is at least in zone 3. Another notable example is Waksmund , a small village in

2944-421: The latter, in terms of length of hot weather and sun intensity. Coastal Ireland and central Florida are both Zone 10, but have radically different climates. The hardiness scales do not take into account the reliability of snow cover in the colder zones. Snow acts as an insulator against extreme cold, protecting the root system of hibernating plants. If the snow cover is reliable, the actual temperature to which

3008-500: The location and the altitude. The islands are generally part of zones 11b/12a in lower altitudes and coastal areas, reaching up to 12b in the southernmost coasts or populated coastal parts such as the city of Las Palmas . The lowest hardiness areas are found in Teide National Park being at 8a/8b for its very high altitude. Teide peak is the highest peak of Macaronesia. The Cape Verde islands, located much further south inside

3072-646: The mainland and central coastal areas are in the middle zones (zones 8, 7, and 6). The far northern portion on the central interior of the mainland have some of the coldest zones (zones 5, 4, and small area of zone 3) and often have much less consistent range of temperatures in winter due to being more continental, especially further west with higher diurnal temperature variations, and thus the zone map has its limitations in these areas. Lower zones can be found in Alaska (down to 1). The low latitude and often stable weather in Florida ,

3136-501: The maps of Hawaii and Puerto Rico. There is a very small spot east of San Juan , Puerto Rico, that includes the airport in coastal Carolina , where the mean minimum is 67 degrees F (19 C), which is classified as hardiness Zone 13b, the highest category, with temperatures rarely below 65 °F (18 °C). The map has a higher resolution than previous editions, and is able to show local variations due to factors such as elevation or large bodies of water. Many zone boundaries were changed as

3200-1059: The mid-1960s. The formula used is: Y = -67.62 + 1.734X 1 + 0.1868X 2 + 69.77X 3 + 1.256X 4 + 0.006119X 5 + 22.37X 6 - 0.01832X 7 where: For practical purposes, Canada has adopted the American hardiness zone classification system. The 1990 version of the USDA Plant Hardiness Zone Map included Canada and Mexico, but they were removed with the 2012 update to focus on the United States and Puerto Rico. The Canadian government publishes both Canadian and USDA-style zone maps. The table below provides USDA hardiness zone data for selected European cities: USDA zones do not work particularly well in Ireland and Great Britain as they are designed for continental climates and subtropical climates. The high latitude, weaker solar intensity, and cooler summers must be considered when comparing to US equivalent. New growth may be insufficient or fail to harden off affecting winter survival in

3264-459: The most notable changes in the Mid Atlantic and Northeast, showing cities like Philadelphia, New York City and Washington D.C. in zone 8, due to their urban heat islands. In November 2023, the USDA released another updated version of their plant hardiness map, based on 1991–2020 weather data across the United States. The updated map shows continued northward movement of hardiness zones, reflecting

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3328-455: The restoration of natural habitats, such as meadows, prairies, and wetlands. It is used on green roofs to provide a low-maintenance alternative to traditional green roof systems. Wildflower turf can help to sequester carbon from the atmosphere, helping to mitigate the effects of climate change and to purify the air by absorbing pollutants and releasing oxygen. Low growing vegetation is referred to as "turf communities" in areas where such growth

3392-481: The risk of damage to the product. The farms that produce this grass may have many varieties of grass grown in one location to best suit the consumer's use and preference of appearance. It is usually harvested 10 to 18 months after planting, depending on the growing climate. On the farm, it undergoes fertilization, frequent mowing, watering, and subsequent vacuuming to remove the clippings. It is harvested using specialized equipment, precision cut to standardized sizes. Sod

3456-503: The roots are exposed will not be as low as the hardiness zone number would indicate. As an example, Quebec City in Canada is located in zone 4, but can rely on a significant snow cover every year, making it possible to cultivate plants normally rated for zones 5 or 6. But, in Montreal , located to the southwest in zone 5, it is sometimes difficult to cultivate plants adapted to the zone because of

3520-565: The same data as the AHS. It revised hardiness zones, reflecting generally warmer recent temperatures in many parts of the country, and appeared similar to the AHS 2003 draft. The Foundation also did away with the more detailed a/b half-zone delineations. In 2012 the USDA updated their plant hardiness map based on 1976–2005 weather data, using a longer period of data to smooth out year-to-year weather fluctuations. Two new zones (12 and 13) were added to better define and improve information sharing on tropical and semitropical plants, they also appear on

3584-505: The same latitude as Alaska or Greenland, but the effect of the warm North Atlantic Current is even more pronounced here than it is in Britain and Ireland. Save for a very small spot around Karasjok Municipality , Norway, which is in zone 2, nowhere in the Arctic part of Scandinavia gets below zone 3. The Faroe Islands , at 62–63°N are in zone 8, as are the outer Lofoten Islands at 68°N. Tromsø ,

3648-424: The same mean winter minima on the few coldest nights and be in the same garden zone, but have markedly different climates. For example, zone 8 covers coastal, high latitude, cool summer locations like Seattle and London , as well as lower latitude, hot-summer climates like Charleston and Madrid . Farmers, gardeners, and landscapers in the former two must plan for entirely different growing conditions from those in

3712-533: The shorter and much cooler summers of Ireland and Britain. Owing to the moderating effect of the North Atlantic Current on the Irish and British temperate maritime climate , Britain, and Ireland even more so, have milder winters than their northerly position would otherwise afford. This means that the USDA hardiness zones relevant to Britain and Ireland are quite high, from 7 to 10, as shown below. In 2012

3776-497: The southeast coast of Sweden has a colder winter due to the absence of the Gulf Stream. Central Europe is a good example of a transition from an oceanic climate to a continental climate , which reflects in the tendency of the hardiness zones to decrease mainly eastwards instead of northwards. Also, the plateaus and low mountain ranges in this region have a significant impact on how cold it might get during winter. Generally speaking,

3840-406: The sun, natural or humanmade protection from excessive sun, snow, frost, and wind, etc. The annual extreme minimum temperature is a useful indicator, but ultimately only one factor among many for plant growth and survival. An alternative means of describing plant hardiness is to use "indicator plants". In this method, common plants with known limits to their range are used. Sunset publishes

3904-747: The turf and landscaping industries as the " transition zone ", where summers are too hot for most cool-weather grasses, yet winters are too cold for most warm-weather grasses. Fescue is well-adapted to clay soils, moderately shade-tolerant, and somewhat resistant to disease, yet vulnerable to the diseases brown patch and Fusarium patch . It grows most actively (and thus provides the most desirable appearance) in spring and fall, and requires frequent watering during summer. Due to its bunch-type growth habit (unique among common sod grasses), it will not spread undesirably or invade adjacent areas once sodded, yet neither will it fill in voids, and periodic maintenance (such as overseeding with Fescue seed) may be required to sustain

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3968-508: The unreliable snow cover. Many plants may survive in a locality but will not flower if the day length is insufficient or if they require vernalization (a particular duration of low temperature). There are many other climate parameters that a farmer, gardener, or landscaper may need to take into account as well, such as humidity, precipitation, storms, rainy-dry cycles or monsoons, and site considerations such as soil type, soil drainage and water retention, water table, tilt towards or away from

4032-713: The year. Macaronesia consists of four archipelagos: The Azores , the Canary Islands , Cape Verde and Madeira . At lower altitudes and coastal areas, the Portuguese Azores and Madeira belong to zones 10b/11b and 11a/11b respectively. The Azores range from 9a to 11b and Madeira ranges from 9b to 12a, 9a and 9b found inland on the highest altitudes such as Mount Pico in the Azores or Pico Ruivo in Madeira. The Spanish Canary Islands hardiness zones range from 8a to 12b depending on

4096-607: The zone 11a is limited only to a few spots. In the Iberian Peninsula, it can be found on the southern coast, in small Spanish areas inside the provinces of Almería , Cádiz , Granada , Málaga and Murcia . In Portugal , zone 11a can be found in the Southwest on a few unpopulated sites around the municipalities of Lagos and Vila do Bispo . In mainland Greece , zone 11a can be found in Monemvasia and also in areas of Crete ,

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