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Hardening off plants but they are dieing...?

I've been trying to harden off my broccoli, peas, and lettuce seedlings for the past two weeks. Just leave them out for an hour or two longer each day. They were doing great and really enjoying the sunshine. Yesterday I left them out a couple hours past dark and when I brought them in they looked all wilted and just about dead! The 25mph winds beat the crap out of them and it was raining a lot too. What should I do? If they can't handle a little rain or wind how are they ever going to survive when I transplant them?

Update:

They weren't exposed to any frost. It was 42* and up all night, but didn't exceed 50* in the day.

2 Answers

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  • 1 decade ago
    Favorite Answer

    They will come back. Until they get bigger wind will knock the crap out of them.

  • "a little rain or wind"? You said it yourself, 25mph winds beat the crap out of them and it was raining a lot, too. Figure wind chill factors work by evaporation, therefore they work on plant leaves, too. A leaf with a lot of surface area (like lettuce) is not going to suddenly become frost-free because you semi-hardened it off for 2 weeks. Simply covering them with plastic would have kept the wind from destroying them (brutal wind force plus frosty wind chill). Pity, all that work. Just be more careful.

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