When to Plant Sweet Alyssum in Lindenwood, Illinois (61049)
Location
Lindenwood, Illinois
ZIP Code
61049
USDA Zone
5b
Last Frost
Saturday, April 25, 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 Lindenwood?
Get your seeds now so they're ready by Saturday, March 28, 2026.
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Other Plants for Lindenwood
Growing Sweet Alyssum in Zone 5b
Sweet Alyssum (Lobularia maritima) is a popular garden vegetable. In Lindenwood, Illinois, which is in USDA Hardiness Zone 5b, you should direct sow seeds around Saturday, March 28, 2026.
Your average last frost date is Saturday, April 25, 2026. Sweet Alyssum grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.