Corn Gromwell
Lithospermum arvense
Family: Boraginaceae
Corn Gromwell grows in full sun and prefers dry disturbed soil. Water needs: Low.
How to Grow Corn Gromwell
Corn Gromwell growing information includes sunlight requirements of Full sun, soil conditions listed as Dry disturbed soil with a soil pH of 6.0-8.0, and Low water needs. The listed hardiness zones are 3-9. For propagation reference, the database lists germination or establishment information for Corn Gromwell as 10-21 days, with planting or establishment depth listed as 1/4 inch. Days to maturity are listed as 70-100 days.
Plant Overview
Corn Gromwell (Lithospermum arvense) is listed in the Boraginaceae family and categorized as a herb with an annual life cycle. This profile summarizes growing information for hardiness, light, soil, water, seed starting, maturity, and other available cultivation details. Difficulty is listed as Easy.
- Plant ID
- PLT-4060
- Family
- Boraginaceae
- Plant type
- Herb
- Life cycle
- Annual
- Difficulty
- Easy
Growing Conditions
Corn Gromwell is listed for full sun conditions. Water needs are listed as low. The database soil reference is Dry disturbed soil. The listed soil pH range is 6.0-8.0, and the listed hardiness range is 3-9.
- Hardiness zones
- 3-9
- Sunlight
- Full sun
- Soil
- Dry disturbed soil
- Soil pH
- 6.0-8.0
- Water needs
- Low
Seed & Germination
For seed starting, the listed germination time is 10-21 days and the seed depth is 1/4 inch. The listed time to maturity is 70-100 days. Use these values as general reference points and adjust for local climate, seed source, and growing conditions.
- Germination
- 10-21 days
- Seed depth
- 1/4 inch
Harvest & Propagation
- Days to maturity
- 70-100 days
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Growing Reference Note
Plant performance can vary with climate, soil, weather, cultivar, seed quality, and gardening methods. The values on this page are general database reference ranges rather than a substitute for local extension guidance or seed-packet instructions.