The vegetables in cool season fall into four main groups. You have leafy greens, brassicas, root vegetables, and alliums to choose from. Each group grows best when temperatures stay between 55-75°F (13-24°C) and handles light frost without problems.
I keep a cool weather vegetables list on my garden shed door. It saves me from guessing each spring and fall season. Leafy greens like lettuce, spinach, and kale top my list since they grow fast. Brassicas include broccoli, cabbage, and cauliflower which need more time but give you big harvests.
Root vegetables form the third group with carrots, beets, radishes, and turnips leading the pack. These crops store well and taste sweeter after frost hits them. The fourth group contains alliums such as onions, garlic, and leeks which grow slow but last for months after harvest.
My spring plantings perform different from my fall ones even with the same seeds. Spring crops race against rising heat while fall plantings slow down as days shorten. I learned that lettuce bolts fast in spring but grows tender leaves into December when planted in September.
Brassicas flip that pattern in my garden. Spring broccoli heads up nice while fall cabbage sometimes splits from late rain. You need to watch your local weather patterns and adjust your planting dates to match what works in your specific area.
Leafy Greens
- Cold tolerance: Handles frost down to 28°F (-2°C) and keeps producing through light freezes in your garden.
- Growth speed: Ready to harvest in 30-45 days from seeding which makes them perfect for quick spring crops.
- Best varieties: Lettuce, spinach, kale, arugula, Swiss chard, and Asian greens like bok choy work great for you.
Brassica Family
- Cold tolerance: Survives to 20°F (-7°C) with Brussels sprouts and kale handling even colder weather for you.
- Growth time: Needs 60-100 days to mature so you should start transplants early for best results.
- Best varieties: Broccoli, cabbage, cauliflower, Brussels sprouts, kohlrabi, and collard greens grow well.
Root Vegetables
- Cold tolerance: Roots survive hard freezes to 25°F (-4°C) and taste sweeter after cold exposure hits them.
- Growth time: Takes 50-70 days for most varieties with parsnips needing 100+ days to mature fully.
- Best varieties: Carrots, beets, radishes, turnips, parsnips, and rutabagas all store well through winter.
Allium Family
- Cold tolerance: Garlic and onions survive 0°F (-18°C) when mulched making them your hardiest option.
- Growth time: Ranges from 60 days for scallions to 9 months for garlic planted in fall.
- Best varieties: Onions, garlic, leeks, and scallions with garlic needing fall planting for big bulbs.
Start with leafy greens if you have never grown cool season crops before. They forgive your mistakes and give you food within a month of planting. Radishes work great too since they mature in just 25 days and show results fast enough to keep you excited.
Learning what grows in cool weather opens up two extra growing seasons you might miss. You can harvest fresh vegetables in April before summer crops go in. Then you harvest again in November after tomatoes finish. The cool season brings lower pest pressure and less watering since rain does most of the work.
Small garden spaces work great for leafy greens since you can grow them in containers or raised beds. Larger plots suit brassicas and root vegetables that need room to spread. Match your vegetable choices to your space and you get more food from the same garden area.
Read the full article: Cool Season Vegetables: Complete Growing Guide
