Corn Seeds, Double Red Sweet
Double Red Sweet Corn cobs with red husks and silk on stone background.
Double Red Sweet Corn cobs with red husks arranged on a stone background.
A close-up of Double Red Sweet Corn cobs showing red kernels and red husks.
Corn Seeds, Double Red Sweet
Double Red Sweet Corn cobs with red husks and silk on stone background.
Double Red Sweet Corn cobs with red husks arranged on a stone background.
A close-up of Double Red Sweet Corn cobs showing red kernels and red husks.

Corn Seeds,
Double Red Sweet

31 ReviewSKU: #CN192Min. seed count: 50
Price
Regular price $4.50
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Description

Get ready for the most stunning corn on the cob you’ve ever seen! Double Red Sweet Corn features deep red kernels packed with sweet, rich flavor—and it's loaded with antioxidants, too. Even the stalks are a striking red, making this variety a real showstopper in the garden. Bred by the late Dr. Alan Kapuler in Corvallis, Oregon, this beauty is as nutritious as it is eye-catching. Taste, color, and garden flair all in one!

Plant Details

Botanical Name
Zea mays
Life Cycle
Annual
Sun Requirement
Full sun
Days to Germinate
7–10
Days to Maturity
80–85
Planting Depth
1–2 in.
Plant Spacing
12 in.
Ideal Temperature
75–80°F
Frost Hardy
No

When to Grow

Sow Double Red sweet corn seeds directly outdoors after the last frost date in your area, when the soil temperature reaches at least 60 F. The ideal growing temperature is 75-80 F. Check local frost dates to determine the best planting time for your region. If you’re not sure how to find your first and last frost dates, consult our blog post 'Our Experts Answer Questions, Share Resources.'

How to Sow and Plant

Direct sowing is recommended for sweet corn as it does not transplant well. Plant seeds 1-2 inches deep, spaced about 12 inches apart in rows 24-36 inches apart. Thin seedlings to the strongest plant per spacing once they reach a few inches tall to ensure healthy development. Plant in blocks to improve pollination.

How to Grow

Ensure consistent watering, particularly during critical growth stages. Fertilize regularly with a balanced fertilizer or organic compost to support vigorous growth. Weed around the plants to prevent competition for nutrients and water. Applying mulch can help conserve moisture and reduce weed growth. Tall plants may need staking to prevent wind damage.

How to Save Seeds

  • Corn is wind pollinated and will easily cross with other varieties (including GMO corn!). You will need at least 1 mile of isolation to avoid cross pollination. You can also use staggered timing or caging techniques.
  • Hand pick ears when fully dried on stalk. Seeds keep best if left on the ear; just remove at planting time.
  • Sweet corn seeds will remain viable for 2 years; dent corn will last up to 5 years when properly stored.

FAQ

Questions?

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