Flower / Cool season
Spencer Mix Sweet Pea
Early trellises, cool-season cut flowers, and patio obelisks.
Fragrant flowers for cutting; ornamental only.
Seed spacing and maturity
- Days to maturity
- 75
- Germination temperature
- 50-70F
- Seed depth
- 1 inches
- Spacing
- 6 inches
- Row spacing
- 18 inches
- Start method
- Direct sow
Frost-date timing
- Direct sow
- 42 days before last frost
- Fall planting
- 10 weeks before first 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?
- Direct sow into the final bed when the soil temperature, seed depth, and moisture are ready.
- How much space?
- 6 inches in-row spacing, 18 inches between rows, and 1 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?
- Do not confuse ornamental sweet pea with edible peas; seeds are toxic. Keep evenly moist during cool vine growth and bloom. Fertile, well-drained soil with trellis support.
Growing profile
- Sun
- Full sun
- Water
- Keep evenly moist during cool vine growth and bloom.
- Soil
- Fertile, well-drained soil with trellis support.
- Watch
- Do not confuse ornamental sweet pea with edible peas; seeds are toxic.
- cut-flowers
- cool-season
- vining
- containers
Browse context
- Flower Catalog Category collection
- Legume Family Rotation and family context
- Cool Season Seeds Season collection
- Direct Sow Seeds Start-method collection
- Container-Friendly Seeds Practical trait collection
- Fall-Planting Seeds Practical trait collection
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Source: Seed Savers seed saving guide