A Buhl Sweet Corn cob with husks close-up against a white background.
A close-up of the kernels on a Buhl Sweet Corn cob.
Buhl Sweet Corn close-up of kernels with husks.
A Buhl Sweet Corn cob with husks close-up against a white background.
A close-up of the kernels on a Buhl Sweet Corn cob.
Buhl Sweet Corn close-up of kernels with husks.

Corn Seeds,
Buhl Sweet

4.310 ReviewsSKU: #CN179Min. seed count: 75
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Description

(Zea mays) A delicious, 75-day yellow sweet corn borne on sturdy 7-foot stalks bearing 2 ears per stalk. Kernels are a rich golden hue and carry that old-fashioned sweet corn taste that has nearly been lost due to sweet corn hybrids. One of the sweetest and best yielding corns.

Growing Tips: Buhl sweet corn thrives best in rich, well-draining, and fertile soil. To ensure optimal growth, prepare the soil by adding compost or well-rotted manure. Plant seeds about 1 inch deep and space them about 12 inches apart, with rows set 24-36 inches apart. Consistent soil moisture is crucial, particularly during germination and the formation of tassels and silks. Additionally, full sun exposure is essential, and monitoring for pests such as corn earworms and aphids is necessary to protect the crop.

Plant Details

Botanical Name
Zea mays
Life Cycle
Annual
Sun Requirement
Full sun
Days to Germinate
7–10
Days to Maturity
75
Planting Depth
1–2 in.
Plant Spacing
12 in.
Ideal Temperature
60°F
Frost Hardy
No

When to Grow

Buhl sweet corn should be planted directly outdoors when soil temperatures reach about 60 degrees F, after all danger of frost is past for your area, ideally when the temperatures reach 75-80 F. 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

  • Corn cannot tolerate cold weather; plant corn directly in the ground after all chance of frost has passed and the soil has warmed to at least 50 degrees.
  • Direct sow 1 to 2 inches deep in the richest soil available.
  • Plant corn 12 inches apart.
  • Ideal germination temperature is 75-80 F.
  • Do not transplant corn; the delicate roots cannot handle it.

How to Grow

  • Corn is a heavy feeder; plants need a rich soil with plenty of organic matter. Add well-rotted compost to the corn bed before planting.
  • Plant in blocks as opposed to rows for better pollination.
  • Because corn matures all at once, succession plant every other week for 6 weeks to ensure a steady supply. Each plant needs 1 square foot of space.
  • Fertilize with a balanced organic 10-10-10 at one cup per ten feet. Fertilize just before planting and again 6 weeks later.
  • Mulch plants to retain moisture and suppress weeds.
  • Sweet corn is approaching maturity when silks have dried and turned brown. Dent corn is ready when the husks have dried and turned brown; the kernels should be hard.

PESTS/SPECIAL CONSIDERATIONS

  • In areas of high wind, it may be necessary to stake corn stalks or provide a windbreak.
  • Corn earworm is a major pest of corn. To suffocate these pests, apply mineral oil to the silks once they have turned brown.
  • European corn borer can be controlled with Bt.
  • Raccoons are one of the biggest pests. To ward them off, try leaving a portable radio playing in the garden at night.
  • You can also interplant trailing beans to run along the bottom of the plants, as it is believed that raccoons don’t like to get tangled in the vines.

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

Can I start Buhl Sweet indoors?

No — do not transplant corn, as the delicate roots cannot handle it. Plant it directly in the ground after all chance of frost has passed and the soil has warmed to at least 60°F, sowing 1–2 in. deep in the richest soil available. Seedlings appear in 7–10 days.

How should I lay out a Buhl Sweet planting?

Plant in blocks as opposed to rows for better pollination, spacing plants 12 in. apart so each has about 1 square foot. Corn is a heavy feeder, so add well-rotted compost before planting, and keep soil moisture consistent during germination and while the tassels and silks form. Because corn matures all at once, succession plant every other week for 6 weeks for a steady supply.

When is Buhl Sweet corn ready to pick?

Sweet corn is approaching maturity when the silks have dried and turned brown, which for Buhl Sweet is around 75 days. The sturdy 7-foot stalks bear 2 ears apiece, with rich golden kernels that carry that old-fashioned sweet corn taste.

Customer reviews

4.3 / 5 10 Reviews

What gardeners are saying

  • Multiple ears per stalk: Most stalks set two ears, sometimes three.

  • Tall stalks: Big healthy stalks, most reaching eight feet or more.

  • Seed worth saving: Good germination, and gardeners keep seed for next year.

  • Closer to 85 days: Ears came in at 82 to 85 days, later than the packet says.

  • Heads up: Not sweet like a hybrid; some find it bland, better cooked than raw.

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