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Flowers · perennial
Verbena (tall) from seed
Verbena bonariensis · also searched as easy to grow verbena
- Germination temperature
- 60 to 86°F (16 to 30°C)
- Days to germinate
- 14 to 28 days
- Before sowing
- Nothing needed
- Start indoors
- 8 to 12 weeks before planting out
- Plant out
- 1 to 2 weeks after the last frost
- Spacing
- 18 to 24 in (45 to 60 cm)
Your dates from your last frost Seed not coming up?
Depth and light are not given in the source table; check your packet.
Sowing
Johnny's: 14 to 28 days at 60 to 86°F; start indoors 8 to 12 weeks before planting out. Direct sowing is not recommended. Hardy in zones 7 to 10.
Care and transplanting
Plant out after frost. It self-sows in warm climates.
Problems
Slow, uneven germination is normal; sow extra.
Saving seed
It self-seeds readily.