When to Plant Sweet Alyssum in Theriot, Louisiana (70397)
Location
Theriot, Louisiana
ZIP Code
70397
USDA Zone
9b
Last Frost
Tuesday, February 10, 2026
๐ Planting Calendar
Pro Tip: Sow Sweet Alyssum directly outdoors 4 weeks before your last frost date.
๐ฟ Plant Details
โ๏ธ Growing Requirements
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Sun
Full Sun to Partial Shade
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Water
Moderate (1 inch/week)
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Spacing
6" apart
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Planting Depth
0.125" deep
Seeds typically germinate in 5-10 days
Ready to Plant Sweet Alyssum in Theriot?
Get your seeds now so they're ready by Tuesday, January 13, 2026.
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Other Plants for Theriot
Growing Sweet Alyssum in Zone 9b
Sweet Alyssum (Lobularia maritima) is a popular garden vegetable. In Theriot, Louisiana, which is in USDA Hardiness Zone 9b, you should direct sow seeds around Tuesday, January 13, 2026.
Your average last frost date is Tuesday, February 10, 2026. Sweet Alyssum grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.