When to Plant Sweet Alyssum in Zone 9a
Family: Brassicaceae · Flowering annual
Planting Schedule
Add Sweet Alyssum to your garden to build a schedule and get reminders.
Get the exact Zone 9a timeline for your Sweet Alyssum. See localized frost dates, indoor sowing windows, and optimal companions below.
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Explore Sweet Alyssum Data
Crop Dates : 9a
| Milestone | Date |
|---|---|
| Start Indoors | Jan 23rd |
| Last Frost | Mar 6th |
| Transplant / Sow Outdoors | Feb 27th |
| Harvest Begins | Apr 18th |
| Harvest Ends | Nov 26th |
Garden Alerts
In Zone 9a, the average last spring frost is around March 06. Watch soil temperature before transplanting Sweet Alyssum.
Garden Alerts
In Zone 9a, the average last spring frost is around March 06. Watch soil temperature before transplanting Sweet Alyssum.