Turpentinebroom (Montana)

The Turpentinebroom (Montana) is generally described as a perennial subshrub. This is native to the U.S. (United States) has its most active growth period in the spring and fall . The Turpentinebroom (Montana) has yellow-green foliage and inconspicuous purple flowers, with a moderate amount of conspicuous black fruits or seeds. The greatest bloom is usually observed in the early spring, with fruit and seed production starting in the winter and continuing until summer. Leaves are not retained year to year. The Turpentinebroom (Montana) has a moderate life span relative to most other plant species and a slow growth rate. At maturity, the typical Turpentinebroom (Montana) will reach up to 2 feet high, with a maximum height at 20 years of 1 foot.

The Turpentinebroom (Montana) is not commonly available from nurseries, garden stores and other plant dealers and distributors. It can be propagated by bare root, container, cuttings, 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 -1°F. has high tolerance to drought and restricted water conditions.

Plant Basics
Growth Rate Slow
General Type Subshrub
Growth Period Spring, Fall
Growth Duration Perennial
Lifespan Moderate
Plant Nativity Native to U.S.
Commercial Availability No Known Source
Physical Characteristics
Bloom Period Early Spring
Displays Fall Colors No
Shape/Growth Form Multiple Stem
Drought Tolerance High
Shade Tolerance Intolerant
Height When Mature 2
Vegetative Spread None
Flower Color Purple
Flower Conspicuousness Yes
Fruit/Seed Abundance Medium
Fruit/Seed Seasonality Winter Summer
Seed Spread Rate Slow
Gardening Characteristics
Propagations (Ways to Grow) Bare Root, Container, Cuttings, Seed
Moisture Requirements Low
Cold Stratification Required No
Minimum Temperature -1
Soil Depth for Roots 6
Toxic to Nearby Plants No
Toxic to Livestock No
After-Harvest Resprout Ability No
Responds to Coppicing Yes
Growth Requirements
pH Range 7.5–8 pH
Precipitation Range 5–5 inches/yr
Planting Density 100–200 indiv./acre
Soil Textures Coarse, Medium
Soil Depth for Roots 6
Minimum Frost-Free Days 193 day(s)
Salinity Tolerance None
CaCO3 Tolerance High
Sustainability & Use
Leaf Retention No
Palatability Low
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