Introductiont to Fall Vegetable Gardening Tips and Ideas You can start a fall garden in almost any climate, but your crops will vary depending on your location. When to Start Vegetable Plants for Fall Gardening To have a fall garden mature before frost, you’ll want to get it started in mid-summer. That means late July to August, mainly depending on your zone. Many plants will grow well in cool weather, but they want to be started while it is still a bit warm and the days are longer.
