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Growing sweet corn Guide 
A Quick Overview

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Growing sweet corn quick reference guide

Growing sweet corn Guide

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


Quick Reference Guide

Veggie Garden Dairy
Vegetable Corn
Also Known As Indian corn, pole corn, sugar corn
Botanical Family - Poaceae, Genus - Zea, Species - Z. mays
Plant Type Warm season - annual - fruiting vegetable
Frost Tolerance Tender
Planting Position Grow in full sun - Requires at least 8-10 hours of direct sunlight daily.
Seed Viability 1 year
Germination 7-10 days at 60-90 F (16-32 C)
Growing Temp 70-95 F (21-35 C)
Seed to Transplant Direct sow
Planting Method Direct sow only
When to Plant Spring
Time to Plant Wait until at least 1-2 weeks after the last average 32 F (0 C) freeze in your area but not before soil temperature are consistently 60 F (16 C) or above.
Seed Sowing Direct sowing sweet corn seeds - 1- 11/2 inch (25-38 mm) deep - Early cultivars 8-10 inches (20-25 cm) apart in row and late cultivars 9-12 inches apart in rows that are 2 feet (60 cm) apart.
Plant Spacing Direct sow sweet corn seeds only - do not thin
Soil Conditions Well drained - Moderate to high organic matter - Rich fertility
Fertilizer High fertilizer needs, 5-6 quarts per 100 sq feet (5.5-6.6 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 -side-dress when plants are 8-10 inches (20-25 cm) high, and again when first silk appears
Days to Harvest 60-100 days - depending on conditions and variety

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