Flower / Cool season
Tall Maximum Snapdragon
Early-season cut-flower rows and cool patio containers.
Grown for cut flowers and border color.
Seed spacing and maturity
- Days to maturity
- 100
- Germination temperature
- 60-75F
- Seed depth
- 0.125 inches
- Spacing
- 9 inches
- Row spacing
- 12 inches
- Start method
- Start indoors
Frost-date timing
- Indoor start
- 10 weeks before last frost
- Transplant
- 14 days before last frost
- Fall planting
- 10 weeks before first frost
- Succession interval
- repeat every 21 days
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?
- 9 inches in-row spacing, 12 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?
- Hot weather shortens stems and bloom quality. Moderate moisture with good air movement. Fertile, well-drained soil.
Growing profile
- Sun
- Full sun
- Water
- Moderate moisture with good air movement.
- Soil
- Fertile, well-drained soil.
- Watch
- Hot weather shortens stems and bloom quality.
- cut-flowers
- cool-season
- transplant
- containers
Browse context
- Flower Catalog Category collection
- Plantain Family Rotation and family context
- Cool Season Seeds Season collection
- Start Indoors Seeds Start-method collection
- Container-Friendly Seeds Practical trait collection
- Succession Sowing Seeds Practical trait collection
- Fall-Planting Seeds Practical trait collection
Related varieties
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- American Purple Top Rutabaga Mustard family · Cool season · 90 days
- Giant Imperial Larkspur Buttercup family · Cool season · 110 days
- Tall Utah Celery Carrot family · Cool season · 110 days
- Green Curled Endive Aster family · Cool season · 85 days
- American Flag Leek Onion family · Cool season · 120 days
Source: UMN starting seeds indoors