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Growing summer squash Guide 
A Quick Overview

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Growing summer squash quick reference guide

Growing summer squash Guide

The growing summer squash quick reference guide below is designed as a quick overview of growing summer squash. For more details on the different stages from seed to harvest go to the related pages link.


Quick Reference Guide

Veggie Garden Dairy
Vegetable Summer - Squash
Also Known As
Botanical Family - Cucurbitaceae, Genus - Cucurbita, Species - Cucurbita pepo
Plant Type Warm season - annual - fruiting vegetable
Frost Tolerance Very Tender
Planting Position Grow in full sun - Requires at least 8-10 hours of direct sunlight daily.
Seed Viability 4 years
Germination 9-12 days at 70-95 F (21-35 C)
Growing Temp 70-95 F (21-35 C)
Seed to Transplant 3 - 4 weeks
Planting Method Direct sow or Seedling transplants
When to Plant Spring
Time to Plant Wait until at least 2-3 weeks after the last average 32 F (0 C) freeze in your area and not before soil temperature are consistently 70 F (21 C) or above.
Seed Sowing Direct sowing summer squash seeds - 1 inches (25 mm) deep - in raised hills 4-5 seeds per hill 6-8 feet (180-240 cm) in all directions. In rows 2 seed 12 inches (30 cm) apart in rows 3-5 feet apart.
Plant Spacing Transplant or thin summer squash seedlings in hills to 2-3 strongest seedlings - Transplant or thin summer squash seedlings in rows to 1 per 3 feet (90 cm) apart in rows 3-5 feet (90-150 cm) apart.
Soil Conditions Well drained - High organic matter - Medium fertility
Fertilizer Medium fertilizer needs, 3-4 quarts per 100 sq feet (3.3-4.4 liters per 9.3 square meters) preplanting of All-Purpose 5-5-5 Organic Fertilizer icon, same rate for each side dressing
When to Fertilize 2 weeks before sowing or transplanting - when transplanting use liquid starter fertilizer - side-dress just as the vines start to run - finally as fruit begin to set.
Days to Harvest 50-65 days - depending on conditions and variety

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