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#294435 Reply

E. Vinje
Keymaster

Hi Amanda –

Ladybugs in a high tunnel at those winter temperatures should be fine. Ladybugs can’t fly in cold temperatures below 55 degrees Fahrenheit, so it may be best to get a larger quantity than you would originally need. When the temperatures get lower they will go into hibernation, but as it warms back up they will become more active and continue hunting for aphids. You may not see the same results that one would get in warmer temperatures, but as long as it stays warm enough for the ladybugs to crawl and hunt, you should see some action from them.

Hope it helps!