Purple Bushbean (Atropurpureum)

The Purple Bushbean (Atropurpureum) is generally described as a perennial vine or forb/herb. This is native to the U.S. (United States) has its most active growth period in the spring and summer . The Purple Bushbean (Atropurpureum) has dark green foliage and inconspicuous purple flowers, with a smattering of conspicuous brown fruits or seeds. The greatest bloom is usually observed in the indeterminate, with fruit and seed production starting in the year round and continuing until year round. Leaves are retained year to year. The Purple Bushbean (Atropurpureum) has a short life span relative to most other plant species and a rapid growth rate. At maturity, the typical Purple Bushbean (Atropurpureum) will reach up to 4 feet high, with a maximum height at 20 years of 0 inches.

The Purple Bushbean (Atropurpureum) is easily found in nurseries, garden stores and other plant dealers and distributors. It can be propagated by container, cuttings. It has a moderate ability to spread through seed production and the seedlings have high vigor. Note that cold stratification is not required for seed germination and the plant cannot survive exposure to temperatures below 23°F. has medium tolerance to drought and restricted water conditions.

Plant Basics
Category
Growth Rate Rapid
General Type Vine, Forb/herb
Growth Period Spring, Summer
Growth Duration Perennial
Lifespan Short
Plant Nativity Native to U.S.
Commercial Availability Routinely Available
Physical Characteristics
Bloom Period Indeterminate
Displays Fall Colors Yes
Shape/Growth Form Thicket Forming
Drought Tolerance Medium
Shade Tolerance Intermediate
Height When Mature 4
Vegetative Spread Slow
Flower Color Purple
Flower Conspicuousness Yes
Fruit/Seed Abundance Low
Fruit/Seed Seasonality Year Round Year Round
Seed Spread Rate Moderate
Gardening Characteristics
Propagations (Ways to Grow) Container, Cuttings
Moisture Requirements Low
Cold Stratification Required No
Minimum Temperature 23
Soil Depth for Roots 24
Toxic to Nearby Plants No
Toxic to Livestock No
After-Harvest Regrowth Rate Moderate
After-Harvest Resprout Ability No
Responds to Coppicing No
Growth Requirements
pH Range 5–8 pH
Precipitation Range 15–15 inches/yr
Planting Density 1200–1700 indiv./acre
Soil Textures Coarse, Fine, Medium
Soil Depth for Roots 24
Minimum Frost-Free Days 365 day(s)
Salinity Tolerance Medium
CaCO3 Tolerance Medium
Sustainability & Use
Leaf Retention Yes
Palatability High
Fire Resistant No
Causes Livestock Bloating None

Source: USDA, NRCS, PLANTS Database, plants.usda.gov.
National Plant Data Center, Baton Rouge, LA 70874-4490 USA