Plan around the aggressive bound on your county frost-date page when row cover is in use. Crop calendar pages cover crop-specific protection options.
Frost Dates & Planting Timing
Can I plant earlier using row cover?
Yes — lightweight row cover (Agribon, Reemay) provides 2-4°F of frost protection, effectively shifting your last-frost date 1-2 weeks earlier. Heavy row cover or low tunnels can extend that to 3 weeks. Combined with raised beds (which warm faster) and walls of water, you can plant 3-4 weeks before unprotected dates.
More from Frost Dates & Planting Timing
- When is the last frost date in my area?
- What is the difference between a hardiness zone and a frost date?
- What does 50% frost probability mean?
- When is it safe to plant tomatoes outside?
- How do I use frost probability tables for planting decisions?
- What is a killing frost vs. a light frost?
- How do I protect plants from a late spring frost?
- What crops can survive a frost?
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