Yellow Bush Lupine (Arboreus)

The Yellow Bush Lupine (Arboreus) is generally described as a perennial subshrub or shrub. This is native to the U.S. (United States) has its most active growth period in the fall and winter and spring . The Yellow Bush Lupine (Arboreus) has green foliage and inconspicuous yellow flowers, with a moderate amount of conspicuous brown fruits or seeds. The greatest bloom is usually observed in the mid spring, with fruit and seed production starting in the summer and continuing until summer. Leaves are retained year to year. The Yellow Bush Lupine (Arboreus) has a moderate life span relative to most other plant species and a moderate growth rate. At maturity, the typical Yellow Bush Lupine (Arboreus) will reach up to 6 feet high, with a maximum height at 20 years of 6 feet.

The Yellow Bush Lupine (Arboreus) is not commonly available from nurseries, garden stores and other plant dealers and distributors. It can be propagated by bare root, container, seed. It has a slow ability to spread through seed production and the seedlings have low vigor. Note that cold stratification is not required for seed germination and the plant cannot survive exposure to temperatures below 22°F. has high tolerance to drought and restricted water conditions.

Plant Basics
Growth Rate Moderate
General Type Subshrub, Shrub
Growth Period Fall, Winter, Spring
Growth Duration Perennial
Lifespan Moderate
Plant Nativity Native to U.S.
Commercial Availability No Known Source
Physical Characteristics
Bloom Period Mid Spring
Displays Fall Colors Yes
Shape/Growth Form Single Stem
Drought Tolerance High
Shade Tolerance Intolerant
Height When Mature 6
Vegetative Spread None
Flower Color Yellow
Flower Conspicuousness Yes
Fruit/Seed Abundance Medium
Fruit/Seed Seasonality Summer Summer
Seed Spread Rate Slow
Gardening Characteristics
Propagations (Ways to Grow) Bare Root, Container, Seed
Moisture Requirements Low
Cold Stratification Required No
Minimum Temperature 22
Soil Depth for Roots 10
Toxic to Nearby Plants No
Toxic to Livestock No
After-Harvest Resprout Ability Yes
Responds to Coppicing No
Growth Requirements
pH Range 6–7.5 pH
Precipitation Range 16–16 inches/yr
Planting Density 700–2700 indiv./acre
Soil Textures Coarse, Medium
Soil Depth for Roots 10
Minimum Frost-Free Days 240 day(s)
Salinity Tolerance Medium
CaCO3 Tolerance Low
Sustainability & Use
Leaf Retention Yes
Palatability Low
Fire Resistant No
Causes Livestock Bloating Low

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