Related by context. Frequent words. (Click for all words.) 48 temperate zones 47 temperate forests 45 climates 45 cold climates 44 colder climates 44 tropical climates 43 boreal forests 41 colder winters 41 fertile soils 41 deciduous tree 41 warmer drier 41 temperate climates 40 drylands 40 micro climates 40 Polar Regions 39 temperate regions 39 tropics 39 biodiversity hotspots 39 shade tolerant 38 warm climates 38 herbaceous plants 38 subtropical regions 38 northern climes 38 subtropics 37 Migrating birds 37 temperate 37 perennial grasses 37 hotter summers 37 cooler climates 37 dappled shade 37 ecologies 37 ecosystems 36 subarctic 36 aridity 36 arid regions 36 houseplants 35 regions 35 cold winters 35 warmer winters 35 colder climes 35 habitats 35 semi arid 35 prolonged droughts 35 overwinter 35 deserts 34 biomes 34 biome 34 microclimates 34 frequent droughts 34 grassland birds 34 wintertime 34 warmer climates 34 driest continent 33 rainier 33 succulents 33 drained soils 33 Chihuahuan Desert 33 milder winters 33 winters 33 harsh winters 33 tropicals 33 landscapes 33 microclimate 33 arid 33 weathers 33 alkaline soil 33 species 33 hardiness 33 snowy winters 32 climatically 32 soils 32 Succulents 32 tall fescue 32 insect populations 32 varieties 32 mulches 32 terrestrial ecosystems 32 sandy soils 32 Unmanaged 32 moist soil 32 degrees Fahrenheit warmer 32 climatic conditions 32 drought tolerant 31 Soil moisture 31 Sonoran desert 31 cooler climes 31 winter 31 arid lands 31 climes 31 temperature extremes 31 salt tolerant 31 Warm temperatures 31 climate 31 harsh environments 31 clime 31 oases 31 acidic soil 30 cultivars 30 arid desert 30 equatorial regions 30 drought resistant