Corn's the most widely farmed grain crop across the Americas, and it's grown on nearly every continent at this point — total global production actually beats out both wheat and rice combined. KVITER sells corn seeds for sale in three varieties worth building a garden or a small farm plot around. We carry corn seeds for sale across both heirloom and hybrid lines, non-GMO throughout, so whether the goal is a reliable sweet corn harvest or a seed-saving heirloom project, there's a variety built for it. Shop the full lineup below, or check out the rest of KVITER's vegetable seeds catalog for whatever else needs a spot in the garden this season.
Corn Variety Comparison
Peaches and Cream F1 — 250 seeds/packet; hybrid sweet corn; 78–80 days to maturity; best for fresh eating and reliable yield.
Golden Bantam — 105 seeds/packet; heirloom sweet corn; 78–85 days to maturity; best for traditional flavor and seed saving.
Glass Gem — 100 seeds/packet; heirloom flint corn; 100–110 days to maturity; best for ornamental use, cornmeal, and popping.
How to Plant Corn Seeds
- Wait for soil to hit 60°F or warmer. Corn seed just rots in cold, wet ground — there's no rushing this one.
- Sow corn seeds for planting 1-1.5 inches deep, spaced 4-6 inches apart within the row.
- Plant in blocks of at least four rows, not one long row, spacing rows 24-30 inches apart.
- Thin seedlings to roughly 8-12 inches apart once they've got some height on them.
- Feed heavily. Corn eats nitrogen fast, and a side-dress of fertilizer once stalks hit knee-height noticeably helps ear fill.
- Keep water consistent, especially once tassels and silks show up — drought stress right at that stage is the single biggest cause of skimpy, half-filled ears.
- Harvest sweet corn once silks turn brown and a pierced kernel leaks milky, not clear, liquid.
Corn Planting Windows by USDA Hardiness Zone
In Zone 3–4, the typical last frost falls in late May to early June. Direct sow in early-to-mid June, with harvest expected in late August through September.
In Zone 5, the typical last frost occurs in mid-May. Direct sow in late May, with harvest expected in mid-August.
In Zone 6, the typical last frost falls in late April to early May. Direct sow in mid-May, with harvest expected in late July to early August.
In Zone 7, the typical last frost occurs in early-to-mid April. Direct sow in late April to early May, with harvest expected in mid-July.
In Zone 8, the typical last frost falls in mid-March. Direct sow in early April, with harvest expected in late June.
In Zone 9, the typical last frost occurs in late February. Direct sow in mid-March, with harvest expected in late May to early June.
In Zone 10, frost is rare. Direct sow in February–March, with harvest expected in late April to May.
Why Gardeners Choose KVITER Seed
Every packet is germination-tested before listing, and both Golden Bantam and Glass Gem are genuine heirloom, open-pollinated lines grown without any GMO inputs. Peaches and Cream is non-GMO too, even though it's a hybrid — worth pointing out, since a lot of people assume hybrid and GMO mean the same thing.
KVITER offers:
- High germination rate on every corn seed packet for sale
- Heirloom, open-pollinated varieties available for seed saving year after year
- Non-GMO seeds across the entire corn lineup, hybrid or heirloom
- Detailed growing notes on every product page
- Free shipping on all orders over $49
Frequently Asked Questions
How many corn seeds go in one hole?
One per hole, spaced 4-6 inches apart within the row. Corn germinates reliably enough that doubling up seeds just wastes seed and sets up competition between sprouts that didn't need to happen.
How far apart should corn be planted?
Rows 24-30 inches apart, plants thinned to 8-12 inches within the row. And just as important as the spacing number: plant in blocks of at least four rows, never one long single row.
How long does corn take to grow from seed?
Sweet corn varieties like Peaches and Cream or Golden Bantam mature in 78-85 days. Glass Gem, being ornamental flint corn, needs the better part of 100-110 days.
Why does corn need to be planted in blocks instead of rows?
Because it's wind-pollinated, not insect-pollinated. A single long row lets too much pollen blow away without ever reaching a nearby ear, and the result is a cob with gaps where kernels should be. Blocks concentrate the pollen where it's actually got a shot at landing.
Can heirloom corn seeds be saved and replanted?
Yes, for open-pollinated types like Golden Bantam and Glass Gem — assuming they weren't cross-pollinated by a different variety growing too close. Peaches and Cream, being an F1 hybrid, just won't reproduce reliably from its own seed.
Can different corn varieties be planted next to each other?
Not really, not if pure seed or a specific kernel look matters. Corn varieties flowering at the same time cross-pollinate easily; separating blocks by distance or staggering the planting dates is the fix.
