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When to Plant Sweet Alyssum in Zone 1A

USDA Zone

1A

Cities Covered

5

Avg Last Frost

Tuesday, June 15, 2027

Plant Type

Direct Sow

📅 Planting Calendar for Zone 1A

Direct Sow Outdoors Tuesday, May 18, 2027

Pro Tip: Sweet Alyssum can be directly sown outdoors. Plant 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Lobularia maritima
Days to Maturity 45 days
Sun Requirements Full Sun to Partial Shade
Plant Spacing 6" apart

🤝 Companion Plants for Sweet Alyssum

Good Companions

TomatoBroccoliLettuceVegetable Garden
See the full companion planting guide for Sweet Alyssum →

Cities in Zone 1A

Other Plants for Zone 1A

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Growing Sweet Alyssum in USDA Zone 1A

Sweet Alyssum (Lobularia maritima) grows well in USDA Hardiness Zone 1A. This zone includes cities like Allakaket, Beaver, Circle and 2 more.

The average last frost date for Zone 1A is around Tuesday, June 15, 2027. Sweet Alyssum can be directly sown outdoors around Tuesday, May 18, 2027.

Expect to harvest your Sweet Alyssum approximately 45 days after planting.