Harperella
Ptilimnium nodosum
Family: Apiaceae
Harperella grows in full sun and prefers wet gravelly soil. Water needs: High.
How to Grow Harperella
Harperella growing information includes sunlight requirements of Full sun, soil conditions listed as Wet gravelly soil with a soil pH of 5.0-7.0, and High water needs. The listed hardiness zones are 5-9. For propagation reference, the database lists germination or establishment information for Harperella as 14-30 days, with planting or establishment depth listed as Surface sow. Days to maturity are listed as 70-100 days.
Plant Overview
Harperella (Ptilimnium nodosum) is listed in the Apiaceae 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 Difficult.
- Plant ID
- PLT-3769
- Family
- Apiaceae
- Plant type
- Herb
- Life cycle
- Annual
- Difficulty
- Difficult
Growing Conditions
Harperella is listed for full sun conditions. Water needs are listed as high. The database soil reference is Wet gravelly soil. The listed soil pH range is 5.0-7.0, and the listed hardiness range is 5-9.
- Hardiness zones
- 5-9
- Sunlight
- Full sun
- Soil
- Wet gravelly soil
- Soil pH
- 5.0-7.0
- Water needs
- High
Seed & Germination
For seed starting, the listed germination time is 14-30 days and the seed depth is Surface sow. 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
- 14-30 days
- Seed depth
- Surface sow
Harvest & Propagation
- Days to maturity
- 70-100 days
Related Plants
Find, buy, swap, or sell Harperella
One World One Seed connects this plant profile to community sellers, plant swaps, storefronts, and participating garden retailers.
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.