Gardening Search Engine – all results are from top US Agricultural Universities.
National Oceanic and Atmospheric Administration maps of frost / freeze dates
USDA interactive hardiness zone map
Texas AMU tomato problem solver – awesome resource!
U.K. National Vegetable Society web site
BBC Gardeners World Videos – Great videos on all kinds of gardening subjects.
Average monthly temperature and rainfall by U.S. zip code
Families of garden plants:
- Leguminosae: bean, pea, peanut, red clover
- Solanaceae: tomato, eggplant, pepper, potato, tomatillo
- Brassiceae: cabbage, broccoli, cauliflower, kale, broccoli raab, pak choi, mustard, kohlrabi, Brussels sprout, turnip, radish, rutabaga, collard
- Cucurbitaceae: cucumber, squash, pumpkin, melon, watermelon, gourd
- Umbelliferae: carrot, parsley, celery, parsnip, dill, fennel, coriander
- Liliaceae: asparagus, garlic, onion, leek, shallot, chives
- Chenopodiaceae: beet, Swiss chard, spinach, lamb’s quarter, amaranth, purslane
- Asteraceae: chicory, endive, salsify, dandelion, lettuce, sunflower, marigold, Jerusalem and globe artichoke.
