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Glacial Hybrid Sweet Corn F1


Glacial Sweet Corn is the best-tasting white, sweet corn you’ll ever grow! Bright white kernels and excellent tip fill. Fast-growing with vigorous plants that average 6′ tall. Zea mays. 75 days to maturity. Approx. 2,900 seeds per lb.


Treatment: Untreated


Check out our Corn Growing Guide to learn more about how to grow corn in your garden.

Glacial Sweet Corn is a hybrid, supersweet corn variety with brightest, white kernels you've ever seen! This is widely-considered one of the best-tasting white corn varieties. Glacial produces strong, vigorous plants that average 6' tall and has 8" ears that are set at 20" on the plants. The ears have excellent husk coverage which helps to protect from pest damage and also protects them throughout the harvesting process.

Glacial Sweet Corn is a supersweet (sh2) variety, which means it couples superb flavor and excellent storage ability. Compared to traditional varieties, supersweet varieties provide an extended harvest window and a prolonged processing window. This is ideal for those who are selling corn for market, or for those backyard gardeners who need more time to process and freeze it.

Sweet corn should be planted in the spring after the last frost date. Sweet corn can be grown throughout the warmer months up until fall, as long as time is permitted for harvest before first frost. Succession planting is recommended with at least two plantings, one in early spring and one in late summer/early fall. Corn ear worm pressure will be greater in the warmer months, but this can be alleviated by applying spinosad to silks and tassels once they appear.

We recommend planting sweet corn using a walk-behind planter like our Hoss Garden Seeder. Once plants emerge, thin plants to 6-8" depending on adequate irrigation. If drip irrigation is used, in-row spacing may be as close as 6". If water is scarce, a wider in-row spacing will be necessary. For pollination purposes, corn should be planted in a square plot with rows on 30-36" spacing. Planting a few long rows will result in poor germination and absence of kernels on the cobs.

Glacial Sweet Corn Planting Information

Planting Method: direct seed

When to Plant: after last frost

Planting Depth: 1"

Seed Spacing: 6-8"

Row Spacing: 30-36"

Days to Maturity: 75

Disease Tolerance: None

Customer Reviews

Based on 7 reviews
John Wick
A+ variety. Phenomenal.

One of the best tasting and largest ear varieties you can grow. Highly recommended and doesn't need any additions like butter and flavorings as it perfect straight from the garden/field.


I always buy this
An extra sweet corn
Just add butter and salt

Rick Roy
Glacial super sweet corn

By far the tastiest super sweet corn that we have grown so far. We always ordered from other seed companies but it’s Hoss in the future!

Pete D.
Unbelievably great!

Recent addition to my sweet corn rotation and may be the best tasting.


So far so good. Only had a few that didn't take. I need to reorder some more