Squash prefer a sunny location and fertile, well-drained soils. For more information on squash, click here.
VARIETIES: Most varieties of Yellow Squash, Zucchini, Crook Neck and Patty Pan Summer Squash do well in Utah. Pink Banana is a large, fruited, pink skinned winter squash suitable to grow in the Utah winter climate.
Before planting, incorporate 4 inches of well-composted organic matter and apply 4 to 6 cups of all purpose fertilizer per 100 square feet. Work this into the top 6 inches of soil. For more information on soil preparation, click here.
- Squash should be planted when soil temperatures reach above 65°F.
- Plant four to six seeds in mounds 4 feet apart.
- After they have two leaves, thin to two plants per mound.
- Avoid damaging the roots when planting, which slows establishment and growth.
Irrigation: Water regularly, applying 1 to 2 inches per week depending on the weather. Mulching around the plants helps to conserve soil moisture. Reduce watering amounts as the fruit ripens to avoid fruit rot. For more information on watering, click here.
Fertilization: After the vines develop runners, side dress with a nitrogen fertilizer, using 1 to 2 tablespoons per plant. Incorporate the fertilizer at least 6 inches away from the plants. For more information on fertilizing, click here.
Harvest: Summer squash takes 35 to 45 days to come into flowering and are generally harvested immature. If left on the vine longer, the skin begins to toughen and quality decreases. Handle carefully as the fruits bruise easily. Winter squash take 45 to 55 days to mature from flowering. Squash are mature when fruits are fully colored, vines begin to die back and the rind has hardened. Mature fruits should be harvested with the stem attached and stored in cool, dry conditions.
COMMON PESTS AND DISEASES: Aphids, squash bugs and cucumber beetles are common pests of squash. Appropriate chemicals and regular watering are ways to manage these problems. For more information on controlling pests and diseases, click here.