Collard greens are a Southern staple that’s tougher than kale and more heat-tolerant than most cool-season greens. A light frost sweetens the leaves significantly.
Zone 7B enjoys a long growing season. You can often get two plantings of cool-season crops (spring and fall).
Good companions: onions, garlic, aromatic herbs (dill, chamomile)
Avoid planting near: strawberries, grapes, tomatoes
60-75 days from transplant; harvest leaves when they reach 8-10 inches
USDA Hardiness Zone 7B has an average last spring frost around Mar 28 and first fall frost around Nov 3. All planting dates above are calculated from these frost dates. Your specific location may vary — check with your local extension office for the most accurate dates.