Post Card by Swisstoons
Temps may go below 40 degrees this weekend, so some of your plants may be in danger of "catching cold." Below are some plants you'll want to protect (this is not even close to an exhaustive list, so if you're not sure...protect it). Click here to learn how to protect plants from the cold.
Some pepper varieties may be harmed by temps under 55 degrees (or so one person at Garden Web Forums sas), while others can handle fairly low temps. If you're not sure, protect them.
Basil leaves are damaged by temps under 45, and we're expecting 41 degrees Saturday night. It takes temps up to 33 to damage the stems--so they should survive, but you might want to cover them anyways. Aloe will survive as low as 40 degrees, but I'd pull them in a day early just in case (probably your other succulents too).
Saturday its expected to get down to 39 degrees. Temps below 33 degrees will kill beans, cantaloupe, corn, cucumbers, eggplant, okra, peas, pepper, potatoes, sweet potatoes, squash, tomatoes, and watermelon...but I'm not sure what temps will damage them.
Cold hardy veggies like broccoli, cabbage, cauliflower, chard, lettuce, mustard, onion, radish, and turnip should do fine.