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When to Plant Beet in Wisconsin

🌱

Direct Sow Outdoors

Saturday, March 14, 2026

State

Wisconsin

USDA Zones

3b, 4a, 4b, 5a, 5b, 6a

Avg Last Frost

Saturday, April 25, 2026

Cities Covered

752

Wisconsin Planting Schedule by Zone

Wisconsin spans 6 zones — find yours below for the most accurate dates.

Zone Last Frost Direct Sow
3b Wednesday, May 20, 2026 Wednesday, April 8, 2026
4a Friday, May 15, 2026 Friday, April 3, 2026
4b Tuesday, May 5, 2026 Tuesday, March 24, 2026
5a Sunday, May 10, 2026 Sunday, March 29, 2026
5b Saturday, April 25, 2026 Saturday, March 14, 2026
6a Monday, April 20, 2026 Monday, March 9, 2026

Dates based on average last frost. Check your local forecast before planting.

🌿 About Beet

Scientific Name Beta vulgaris
Days to Maturity 55 days
Plant Type Root
Sun Full Sun to Partial Shade
Water Regular (1 inch/week)
Spacing 4" apart

🤝 Companion Plants for Beet

Good Companions

LettuceOnionBrassicasKohlrabi

Avoid Planting Near

Pole beanField mustard
See the full companion planting guide for Beet →

Growing Beet in Wisconsin: Complete Guide

Beet (Beta vulgaris) is a crop that grows best when sown directly in the garden. In Wisconsin, the right time to direct sow is around Saturday, March 14, 2026, once soil temperatures are consistently warm enough for germination.

Because Wisconsin stretches across 6 USDA hardiness zones (3b, 4a, 4b, 5a, 5b, 6a), planting windows can shift by as much as six to eight weeks from one end of the state to the other. Gardeners in the warmer southern zones can start earlier, while those in cooler northern zones should wait until the zone table above shows their last frost has passed.

With 55 days to maturity, Beet fits comfortably within Wisconsin's growing season in most zones. In the warmest parts of the state, a second planting later in the season may be possible.

Beet requires full sun to partial shade and regular (1 inch/week) moisture. Most of Wisconsin receives adequate sunlight during the growing season, though gardeners in humid eastern regions should watch for fungal issues and ensure good air circulation.

For the most precise planting dates tailored to your exact location, enter your ZIP code on our planting calendar or use the zone table above to find the schedule for your area of Wisconsin.

Growing Beet in Wisconsin: Local Tips

Climate-specific advice for Wisconsin gardeners.

Thinning is the single most important task

Beet "seeds" are actually clusters that produce multiple seedlings; failure to thin to 3–4 inches apart is the most common reason Midwestern gardeners get tiny, forked beets.

Frequently Asked Questions

When should I plant Beet in Wisconsin?

In Wisconsin, direct sow Beet outdoors around Saturday, March 14, 2026. Wisconsin spans zones 3b–6a, so gardeners in warmer zones can plant earlier.

What is the last frost date in Wisconsin?

Wisconsin spans 6 USDA zones (3b, 4a, 4b, 5a, 5b, 6a), so last frost dates vary by region. Jump River, Edgewater, Wascott (3b) sees frost until around Wednesday, May 20, 2026, while Grafton, Sheboygan, Thiensville (6a) is frost-free much earlier.

How long does Beet take to grow in Wisconsin?

Beet takes about 55 days from transplant (or direct sow) to harvest. In Wisconsin's longer-season zones, a second planting in late summer may be possible.

What USDA zones does Wisconsin cover for Beet?

Wisconsin includes zones 3b, 4a, 4b, 5a, 5b, 6a. Beet grows well across all of these zones with adjusted timing — use the zone table above to find the right dates for your part of the state.

Find Precise Dates for Your City

Select a city for exact planting dates based on local frost records.

Other Plants for Wisconsin

When to Plant Beet in Other States