Sweetcicely

Osmorhiza berteroi

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Apiaceae
Genus:
Osmorhiza
Species:
Osmorhiza berteroi

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
4-6 ft
Light Requirements:
Part Shade
Drought Tolerance:
High
Bloom Months:
apr, may, jun
Bloom Colors:
White

Native Range

United States: Alaska, Arizona, California, Colorado, Idaho, Maine, Michigan, Minnesota, Montana, New Hampshire, New Mexico, Nevada, Oregon, South Dakota, Utah, Vermont, Washington, Wisconsin, Wyoming, Canada: Alberta, British Columbia, New Brunswick, Nova Scotia, Ontario, Prince Edward Island, Quebec, Saskatchewan

Host Plant for Caterpillars

Agonopterix rosaciliella, Greya reticulata, white triangle tortrix (Clepsis persicana)

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Prefers shaded woodland areas with organic matter

Germination Information

Pre-treatment: Seeds are placed in cold moist stratification for 140 days. Soak seeds for 24 hours before stratification.

Establishment: Seeds are hand collected in early August when seeds turn black and are easily hand stripped from the inflorescence. Seeds are kept in paper bags in a well ventilated drying shed prior to cleaning. There are some variations in stratification period across protocols.

Source: npn.rngr.net