Large Flowered Hemp Nettle
Galeopsis speciosa
Family: Lamiaceae
Large Flowered Hemp Nettle grows in full sun and prefers moist, rich soil. Water needs: Moderate.
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How to Grow Large Flowered Hemp Nettle
Large Flowered Hemp Nettle growing information includes sunlight requirements of Full sun, soil conditions listed as Moist, rich soil with a soil pH of 5.5-7.5, and Moderate water needs. The listed hardiness zones are 4-9. For propagation reference, the database lists germination or establishment information for Large Flowered Hemp Nettle as 7-21 days, with planting or establishment depth listed as Surface sow. Days to maturity are listed as 70-110 days.
Plant Overview
Large Flowered Hemp Nettle (Galeopsis speciosa) is listed in the Lamiaceae 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 Moderate.
- Plant ID
- PLT-4189
- Family
- Lamiaceae
- Plant type
- Herb
- Life cycle
- Annual
- Difficulty
- Moderate
Growing Conditions
Large Flowered Hemp Nettle is listed for full sun conditions. Water needs are listed as moderate. The database soil reference is Moist, rich soil. The listed soil pH range is 5.5-7.5, and the listed hardiness range is 4-9.
- Hardiness zones
- 4-9
- Sunlight
- Full sun
- Soil
- Moist, rich soil
- Soil pH
- 5.5-7.5
- Water needs
- Moderate
Seed & Germination
For seed starting, the listed germination time is 7-21 days and the seed depth is Surface sow. The listed time to maturity is 70-110 days. Use these values as general reference points and adjust for local climate, seed source, and growing conditions.
- Germination
- 7-21 days
- Seed depth
- Surface sow
Harvest & Propagation
- Days to maturity
- 70-110 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.