Narrowleaf Stoneseed

Lithospermum incisum

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Boraginaceae
Genus:
Lithospermum
Species:
Lithospermum incisum

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
1-2 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
apr, may, jun
Bloom Colors:
Yellow
Ground Cover:
Yes

Native Range

United States: Arkansas, Arizona, California, Colorado, Florida, Iowa, Illinois, Indiana, Kansas, Louisiana, Michigan, Minnesota, Missouri, Montana, North Dakota, Nebraska, New Mexico, Nevada, Oklahoma, South Dakota, Tennessee, Texas, Utah, Wisconsin, Wyoming, Canada: Alberta, British Columbia, Manitoba, Ontario, Saskatchewan

Host Plant for Caterpillars

Mariona borer moth (Carmenta mariona)

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 8.0 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to prairies and open woodlands

Germination Information

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.

Notes: Seeds may require light for germination.

Source: OpenAI GPT-4o