Flower / Shoulder season
Sweet Alyssum
Low border flowers around vegetable beds and containers.
Honey-scented flowers for insectary strips.
Seed spacing and maturity
- Days to maturity
- 50
- Germination temperature
- 55-75F
- Seed depth
- 0.125 inches
- Spacing
- 6 inches
- Row spacing
- 8 inches
- Start method
- Either
Frost-date timing
- Indoor start
- 5 weeks before last frost
- Direct sow
- 7 days before last frost
- Transplant
- on last frost
- Fall planting
- 8 weeks before first frost
- Succession interval
- repeat every 28 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?
- Direct sow or transplant depending on your soil warmth, bed readiness, and frost-risk plan.
- How much space?
- 6 inches in-row spacing, 8 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?
- Heat can pause bloom; shear lightly when plants get ragged. Moderate moisture keeps bloom going. Average, well-drained soil.
Growing profile
- Sun
- Full sun to part shade
- Water
- Moderate moisture keeps bloom going.
- Soil
- Average, well-drained soil.
- Watch
- Heat can pause bloom; shear lightly when plants get ragged.
- beneficial-insects
- edging
- containers
- cool-season
Browse context
- Flower Catalog Category collection
- Mustard Family Rotation and family context
- Shoulder Season Seeds Season collection
- Either Seeds Start-method collection
- Container-Friendly Seeds Practical trait collection
- Beginner-Friendly Seeds Practical trait collection
- High Pollinator Value Seeds Practical trait collection
- Succession Sowing Seeds Practical trait collection
- Quick-Maturity Seeds Practical trait collection
- Fall-Planting Seeds Practical trait collection
- Part-Shade-Tolerant Seeds Practical trait collection
Related varieties
- Bouquet Dill Carrot family · Shoulder season · 55 days
- Bright Lights Swiss Chard Amaranth family · Shoulder season · 55 days
- Early White Vienna Kohlrabi Mustard family · Cool season · 55 days
- Jewel Mix Nasturtium Nasturtium family · Shoulder season · 55 days
- Purple Top White Globe Turnip Mustard family · Cool season · 55 days
- Southern Giant Curled Mustard Mustard family · Cool season · 45 days
Source: UMN companion planting guide