Hyacinthbean (Purpureus)

The Hyacinthbean (Purpureus) is generally described as a perennial vine or forb/herb. This is not native to the U.S. (United States) and has its most active growth period in the year round . The Hyacinthbean (Purpureus) has green foliage and inconspicuous white flowers, with a moderate amount of conspicuous brown fruits or seeds. The greatest bloom is usually observed in the spring, with fruit and seed production starting in the spring and continuing until summer. Leaves are retained year to year. The Hyacinthbean (Purpureus) has a short life span relative to most other plant species and a rapid growth rate. At maturity, the typical Hyacinthbean (Purpureus) will reach up to 4 feet high, with a maximum height at 20 years of 0 inches.

The Hyacinthbean (Purpureus) is easily found in nurseries, garden stores and other plant dealers and distributors. It can be propagated by bare root, container, seed. It has a moderate ability to spread through seed production and the seedlings have medium vigor. Note that cold stratification is not required for seed germination and the plant cannot survive exposure to temperatures below 31°F. has high tolerance to drought and restricted water conditions.

Plant Basics
Category
Growth Rate Rapid
General Type Vine, Forb/herb
Growth Period Year Round
Growth Duration Perennial
Lifespan Short
Plant Nativity Introduced to U.S.
Commercial Availability Routinely Available
Physical Characteristics
Bloom Period Spring
Displays Fall Colors No
Shape/Growth Form Single Stem
Drought Tolerance High
Shade Tolerance Intermediate
Height When Mature 4
Vegetative Spread Moderate
Flower Color White
Flower Conspicuousness Yes
Fruit/Seed Abundance Medium
Fruit/Seed Seasonality Spring Summer
Seed Spread Rate Moderate
Gardening Characteristics
Propagations (Ways to Grow) Bare Root, Container, Seed
Moisture Requirements Medium
Cold Stratification Required No
Minimum Temperature 31
Soil Depth for Roots 12
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 4.5–7.8 pH
Precipitation Range 24–24 inches/yr
Planting Density 2500–40000 indiv./acre
Soil Textures Coarse, Fine, Medium
Soil Depth for Roots 12
Minimum Frost-Free Days 300 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