When to Plant Sweet Alyssum in Vermillion, Kansas (66544)
Location
Vermillion, Kansas
ZIP Code
66544
USDA Zone
6a
Last Frost
Monday, April 20, 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
โ๏ธ
Sun
Full Sun to Partial Shade
๐ง
Water
Moderate (1 inch/week)
โ๏ธ
Spacing
6" apart
๐ฑ
Planting Depth
0.125" deep
Seeds typically germinate in 5-10 days
Ready to Plant Sweet Alyssum in Vermillion?
Get your seeds now so they're ready by Monday, March 23, 2026.
* Affiliate links โ we may earn a small commission at no extra cost to you.
๐ค Good Companions
Other Plants for Vermillion
Growing Sweet Alyssum in Zone 6a
Sweet Alyssum (Lobularia maritima) is a popular garden vegetable. In Vermillion, Kansas, which is in USDA Hardiness Zone 6a, you should direct sow seeds around Monday, March 23, 2026.
Your average last frost date is Monday, April 20, 2026. Sweet Alyssum grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.