For you greenhouses, you need to make sure all your plants are in sunlight, depending on the varieties, some need direct sunlight. Also, wherever you locate your greenhouses, you need good air circulation (and take the lids off occasionally to give your sprouts air).
Any of the cold crops, that you might be interested in, should have already been planted outdoors for a Fall harvest.

Here are some tips:

ROOT CROPS
• Beets
• Carrots
• Parsnip
• Rutabaga
• Globe Onions


LEAF CROPS
• Brussells Sprouts
• Cabbages
• Cauliflower
• Fava Bean


Mid-season crops - Approximate maturity 60 days. Plant by mid August. Use any of the dates from above as well as the Best Dates below.

ROOT CROPS
• Early Carrots
• Leek
• Turnip
• Kohlrabi

LEAF CROPS
• Early Cabbages
• Winter Cauliflower
• Collards
• Perennial Flowers
• Perennial Herbs
• Swiss Chard


Early maturing crops - Approximate maturity 30 days. Plant by mid September. Use the dates from the previous page as well as the Best Dates below. The latest dates are for warmer climates, later frosts, or protected plantings.

ROOT CROPS
• Chives
• Bunching Onions
• Radishes

LEAF CROPS
• Broccoli
• Cover Crops
• Leaf Lettuces
• Mustard
• Spinach
• Lawn seed