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When to Plant Sweet Alyssum in Roaring Gap, North Carolina (28668)

Location

Roaring Gap, North Carolina

ZIP Code

28668

USDA Zone

7a

Last Frost

Friday, April 10, 2026

๐Ÿ“… Planting Calendar

Direct Sow Outdoors Friday, March 13, 2026

Pro Tip: Sow Sweet Alyssum directly outdoors 4 weeks before your last frost date.

๐ŸŒฟ Plant Details

Scientific Name Lobularia maritima
Days to Maturity 45 days
Mature Height 4-8"
Spread 9"

โ˜€๏ธ Growing Requirements

โ˜€๏ธ

Sun

Full Sun to Partial Shade

๐Ÿ’ง

Water

Moderate (1 inch/week)

โ†”๏ธ

Spacing

6" apart

๐ŸŒฑ

Planting Depth

0.125" deep

Seeds typically germinate in 5-10 days

Ready to Plant Sweet Alyssum in Roaring Gap?

Get your seeds now so they're ready by Friday, March 13, 2026.

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Growing Sweet Alyssum in Zone 7a

Sweet Alyssum (Lobularia maritima) is a popular garden vegetable. In Roaring Gap, North Carolina, which is in USDA Hardiness Zone 7a, you should direct sow seeds around Friday, March 13, 2026.

Your average last frost date is Friday, April 10, 2026. Sweet Alyssum grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.