Always water at the soil level—not the leaves—to avoid powdery mildew.
Summer squash and zucchini like well-composted soil and need plenty of space (plant them 3 to 6 feet apart in warm soil and lots of sun.) Soon enough, you’ll have so many zucchini you’ll leave them on neighbors’ doorsteps! Always water at the soil level—not the leaves—to avoid powdery mildew.