Agastache urticifolia
Horse Mint · Nettleleaf Giant-hyssop · Horsemint Giant Hyssop · Nettleleaf Giant Hyssop

About the plant
What it is and where it grows — not part of any germination protocol.
The plant
- Habit
- perennialPlants of the World Online
- Habit
- Perennial, Forb/herb, SubshrubPLANTS Database
- Height
- 5.0 ft1.5 mPLANTS Database
- Flower
- RedPLANTS Database
- Blooms
- Late SpringPLANTS Database
- Native range
- Canada, lower 48 statesPLANTS Database
Growing conditions
- Sun
- Shade tolerance: MediumPLANTS Database
- Soil
- Adapted to coarse, medium, fine textured soilsPLANTS Database
- Soil pH
- 6.0-8.0PLANTS Database
- Moisture
- Moisture use: MediumPLANTS Database
- Watering
- Drought tolerance: LowPLANTS Database
Toxicity is noted only where a source states it. No note here is not a finding of safety.
Sources: Plants of the World Online — Royal Botanic Gardens, Kew; PLANTS Database — USDA NRCS.
Worth knowing
- The dried leaves and flowers of nettleleaf giant hyssop can be made into tea. Several Native American groups used the plant, especially its leaves, as medicine for rheumatism, upset stomachs and colds. Wikipedia: Agastache urticifolia
Protocol
DerivedN. C. Deno, 1993Difficulty High
Sow and cover
Temperature: 70°F 21°C Light: light
No stated waiting before sowing. Then 8 days to germinate.
13% germination in 5–8 days.
How each step is done, in Deno’s words, and what Verified and Derived mean.
Germination trials
Readers’ own records of sowing this species, published after review. Share your trial · All trials
No trials shared for this species yet.