The Best Fall Vegetable Garden Houston References. Peak planting time for bunching onions and carrots is october through september. In houston, fall vegetable gardening means planting greens.

Since lettuce tends to bolt in hot weather, starting these seeds in september (or even later) will result in a healthier,. Planting vegetable seeds or transplants at the correct time is important for getting the most out of your garden. In houston, fall vegetable gardening means planting greens.