White Panicle Aster (Hirsuticaule)

The White Panicle Aster (Hirsuticaule) is generally described as a perennial forb/herb. This is native to the U.S. (United States) has its most active growth period in the spring and summer . The White Panicle Aster (Hirsuticaule) 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 late summer, with fruit and seed production starting in the summer and continuing until fall. Leaves are not retained year to year. The White Panicle Aster (Hirsuticaule) has a long life span relative to most other plant species and a slow growth rate. At maturity, the typical White Panicle Aster (Hirsuticaule) will reach up to 6 feet high, with a maximum height at 20 years of 0 inches.

The White Panicle Aster (Hirsuticaule) is not commonly available from nurseries, garden stores and other plant dealers and distributors. It can be propagated by bare root, container, seed, sprigs. 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 -28°F. has low tolerance to drought and restricted water conditions.

Plant Basics
Growth Rate Slow
General Type Forb/herb
Growth Period Spring, Summer
Growth Duration Perennial
Lifespan Long
Plant Nativity Native to U.S.
Commercial Availability No Known Source
Physical Characteristics
Bloom Period Late Summer
Displays Fall Colors No
Shape/Growth Form Rhizomatous
Drought Tolerance Low
Shade Tolerance Intermediate
Height When Mature 6
Vegetative Spread Moderate
Flower Color White
Flower Conspicuousness Yes
Fruit/Seed Abundance Medium
Fruit/Seed Seasonality Summer Fall
Seed Spread Rate Slow
Gardening Characteristics
Propagations (Ways to Grow) Bare Root, Container, Seed, Sprigs
Moisture Requirements Low
Cold Stratification Required No
Minimum Temperature -28
Soil Depth for Roots 8
Toxic to Nearby Plants No
Toxic to Livestock No
After-Harvest Regrowth Rate Slow
After-Harvest Resprout Ability No
Responds to Coppicing No
Growth Requirements
pH Range 6–8.2 pH
Precipitation Range 8–8 inches/yr
Planting Density 1200–1700 indiv./acre
Soil Textures Coarse, Fine, Medium
Soil Depth for Roots 8
Minimum Frost-Free Days 65 day(s)
Salinity Tolerance None
CaCO3 Tolerance Low
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