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Flowers · perennial
Lupine from seed
Lupinus spp.
- Germination temperature
- 65 to 75°F (18 to 24°C)
- Sowing depth
- ¼ in (6 mm)
- Days to germinate
- 14 to 21 days
- Light
- Cover the seed; darkness helps
- Before sowing
- Hard seed coat: some growers nick or soak; Johnny's does not require it.
- Start indoors
- 4 to 8 weeks before planting out
- Plant out
- 2 to 0 weeks before the last frost
- Spacing
- 18 to 24 in (45 to 60 cm)
Your dates from your last frost Seed not coming up?
Sowing
Cover with ¼ in of mix; darkness aids germination (Johnny's). Sow 4 to 8 weeks before planting out. Hardy in zones 4 to 8.
Care and transplanting
Dislikes root disturbance and heat; plant out early.
Problems
Slow, erratic emergence is common without treatment.
Saving seed
Collect pods as they turn brown.