Lupines ( Lupinus spp . ) are a large radical of annual and perennial flowers in the legume family . Depending on the diversity , the perennials are hardy in U.S. Department of Agriculture plant hardiness zone 3 through 11 . There are also yearly lupines that can originate in all zones . Because they are a with child , diverse group of plants , the question of grow lupines in a particular climatic area has a destiny to do with the variety . Georgia lies primarily in USDA zones 7 and 8 and has hot , humid summertime which favour some lupin diversity over others .
Step 1
Sundial lupin ( genus Lupinus perennis ) is native to Georgia and other regions of the eastern United States and brook heat and humidity well . However , it still require fantabulous drainage and good air circulation to forbid fungal problem . In the wild it grows in wry , flaxen soils in open forests and domain where melodic line flow is good . Sundial lupine has spectacular ornamental qualities — ruddy stem and monumental blue blossom fortify up to 4 foot tall . It has a clear-cut good habit and pairs well with other aboriginal wild flower growing around its base . Sundial lupine is hardy in USDA zones 3 through 11 .
Texas Blue Bonnet
Texas blue bonnet ( Lupinus texensis ) is an annual lupine that produce quite well in Georgia . It grows 12 to 24 inches in height and support heat and humidity well . The plants thrive in soils of low fertility , as long as they are well - debilitate . Planting on a slope or in a raised bed is the cay to success in Georgia . Blue poke bonnet can be seeded as part of a wild flower meadow and is also stunning in perfect stands . Blue bonnet is a coolheaded atmospheric condition plant — sow seeds in late summer or fall and they will bloom the following outpouring .
Step 2
Soil-Improving Lupines
Gardeners grow several potpourri of annual lupine ( Lupinus spp . ) for their ability to improve soil status . These have the ability to accumulate nitrogen in conjunction with germ that colonize the root of the plants . Though they serve this important part , they are also extremely ornamental plants and can allow the heat of Georgia landscape with ease . They are not worthy in the north Georgia mountains , but are well - accommodate to the light , flaxen soils of the coastal plain . You are more probable to retrieve seed for the soil - improving lupine in farm supply catalogs than in garden inwardness .
Russell Hybrids
The " Russell " hybrid lupine ( Lupinus polyphyllus " Russell " ) is one of the most stunning varieties , grown for its tremendous 2 - foot blossom haunt that flower in an array of semblance . " Russell " lupine are hardy in USDA geographical zone 4 through 8 , but are difficult to raise in most parts of Georgia — they are extremely susceptible to fungous disease in the hot , humid weather . If attempted , grow them on a cool , north - look side , ideally in a location with a constant breeze . The cool , windy condition of the north Georgia batch in USDA zone 7 are much more conducive to growing these lupines than the steamy lowlands .
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