How to protect your garden from frost

• Asparagus (a perennial, but should be harvested before a frost)
• Basil
• Beans
• Chinese cabbage seedlings (by fall the heads will be more hardy)
• Cauliflower
• Celery seedlings
• Cilantro
• Corn
• Cucumber
• Eggplant
• Fennel seedlings (frost impedes formation of bulbs)
• Lettuce heads (young leaves are usually okay)
• Melons
• Okra
• Onion bulbs
• Peppers
• Pumpkin
• Squash
• Swiss Chard seedlings (young plants may bolt after frost exposure)
• Tomato

• Arugula
• Beets (overwinter with mulch)
• Broccoli
• Brussels Sprout
• Cabbage
• Carrot (overwinter with mulch)
• Collards (greens taste best after frost)
• Fennel bulbs
• Garlic (plant in fall for summer harvest)
• Kale
• Leek
• Lettuce
• Mache
• Mizuna
• Parsley
• Parsnip
• Pea (flowers and pods will be hurt by frost but young plants won’t)
• Radish
• Rhubarb
• Spinach
• Swiss Chard (mature plants)
• Turnip (overwinter with mulch)

Read more in What to do now and Jobs in the Garden by Season