Edmonton Hempnettle
Galeopsis speciosa
- Native to:
- Albania, Austria, Baltic States, Belarus, Belgium, Bulgaria, Czechia-Slovakia, Denmark, Finland, France, Germany, Greece, Hungary, Italy, Netherlands, Norway, NW. Balkan Pen., Poland, Romania, Russia, Sweden, Switzerland, Ukraine
Dominicus Johannes Bergsma






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Lamiaceae
- Genus:
- Galeopsis
- Species:
- Galeopsis speciosa
- USDA Symbol:
- GASP7
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 100 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- yellow, purple
Garden & Ecology Notes
- Wildlife Value:
- bees, bumblebees
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- often found in disturbed areas and edges of forests
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–28 days
- Notes:
- Seeds germinate best in cool conditions with consistent moisture.
The above propagation data sourced from Claude AI
ORGHPS Germination Guide: Sow @ 4C for 3 months, then place @ 20C for 3 months. Requires darkness.