The ultimate guide to when to plant vegetables and why

Also best planted in late spring (May to June) to early summer (June to July), after the last frost date. Peppers also need warm soil and full sun. Harvest when the peppers have turned their mature color and have reached the desired size, usually in late summer (August to September) or early fall.

Summer squash, such as zucchini, are best planted in late spring (May to June) to early summer (June to July). Winter squash, such as pumpkin, can be planted in late summer (July to August) for a fall harvest. Harvest summer squash when they are still young and tender, usually in mid to late summer (July to August). Harvest winter squash when the skin has hardened and can’t be easily punctured with a fingernail, usually in late fall (September to October).