Flower / Warm season
Tall Verbena
Pollinator corridors, see-through borders, and cutting gardens.
Airy purple flower clusters on tall wiry stems.
Seed spacing and maturity
- Days to maturity
- 90
- Germination temperature
- 60-75F
- Seed depth
- 0.125 inches
- Spacing
- 18 inches
- Row spacing
- 24 inches
- Start method
- Start indoors
Frost-date timing
- Indoor start
- 8 weeks before last frost
- Transplant
- 14 days after last frost
Action plan
- Can I plant this now?
- Use your local last-frost, first-frost, and soil-temperature checks before treating this crop as plantable today.
- Start indoors or direct sow?
- Start indoors, harden off, then transplant into the final bed when local timing is safe.
- How much space?
- 18 inches in-row spacing, 24 inches between rows, and 0.125 inch seed depth.
- Best companions?
- Use this as part of a diverse flowering or herb planting, and treat companion claims as site-specific rather than guaranteed pest control.
- Common failure modes?
- Seed can self-sow in mild gardens; deadhead if spread is unwanted. Moderate water while establishing; tolerates drier soil later. Well-drained soil with moderate fertility.
Growing profile
- Sun
- Full sun
- Water
- Moderate water while establishing; tolerates drier soil later.
- Soil
- Well-drained soil with moderate fertility.
- Watch
- Seed can self-sow in mild gardens; deadhead if spread is unwanted.
- pollinators
- cut-flowers
- annual
- containers
Browse context
- Flower Catalog Category collection
- Verbena Family Rotation and family context
- Warm Season Seeds Season collection
- Start Indoors Seeds Start-method collection
- Container-Friendly Seeds Practical trait collection
- High Pollinator Value Seeds Practical trait collection
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Source: UMN starting seeds indoors