Climate-based beet planting guide for Manhattan, Kansas

When to Plant Beets in Manhattan: Timing and Maturity Guide

Beets are usually a comfortable fit in Manhattan. The season is generally supportive enough that consistency, sizing, and harvest goals matter more than season pressure.

Typical Planting Window

Excellent fit in this climate

Use the planting dates below for beets in Manhattan.

Typical planting window March 26 – April 9
Method Direct sow
Typical days to maturity 50–60

Gardeners usually sow outdoors around March 26. Most varieties need about 50–60 days to reach maturity.

Beets are usually a comfortable fit in Manhattan. Gardeners usually get the best results when they use that margin to improve finish quality and uniformity.

Even here, the climate does not guarantee an even finish. The better results still come from steady growth, consistent sizing, and harvesting when the crop is actually ready.

Best local strategy: Sow in the normal window and manage for spacing, even moisture, and harvest size; the season usually gives you room to grow for quality, not just completion.

Can Beets Mature in Manhattan?

Growing degree days measure how much useful warmth typically accumulates during the season. For beets, this helps estimate whether local heat accumulation is usually enough for the crop to reach maturity on time.

Available GDD (base 40) 5877
Typical crop GDD target 650
Heat margin +5227

From the usual planting window, Manhattan typically provides about 5877 growing degree days for beets. With a typical crop target of 650, that leaves a heat margin of +5227. That large heat margin means season length is usually not the limiting issue here. The more useful question is how gardeners use that room to improve sizing, finish quality, and harvest timing.

GDD Checkpoints for Manhattan

If planting later than usual, this table shows how much growing degree day heat is still available from each point in the season. For beets, it is most useful for judging how much freedom you still have to plant for quality, finish, and harvest goals as the season moves along.

Checkpoint Remaining GDD Heat margin Fit vs typical target
Apr 15 5999 +5349 Comfortable
May 1 5734 +5084 Comfortable
May 15 5428 +4778 Comfortable
Jun 1 4959 +4309 Comfortable
Jun 15 4499 +3849 Comfortable
Jul 1 3908 +3258 Comfortable

Best Beet Varieties for Manhattan

Most beet varieties can succeed in Manhattan in a typical year. That gives gardeners room to choose for the kind of harvest they want, not just for minimum maturity speed.

Varieties that often fit well here include:

Variety class Typical days to maturity Typical GDD need Local fit
Very early 45–50 600 Good fit
Early 50–55 650 Good fit
Mid-season 55–65 725 Good fit

Main risk: The usual setbacks here come from management choices rather than from the season itself.

How Frost Affects Beets in Manhattan

Manhattan usually has about 186 frost-free days, with a typical last spring frost around April 16 and a typical first fall frost around October 19.

Typical last spring frost April 16
Typical first fall frost October 19
Typical frost-free days 186
Minimum safe temperature 28°F / -2 °C

Beets are generally lightly frost tolerant and temperatures below about 28°F ( -2 °C) can slow growth or damage plants.

Beets are usually tolerant enough of cool conditions that frost dates act more like planning markers than hard limits. In practice, timing and steady early growth matter more than avoiding every light frost.

The most common problems here are not climatic ones. Gardeners usually lose ground through timing, uneven growth, or letting the crop move past its best stage.

In Manhattan, beets usually have a solid seasonal margin when planted around April 2. Local gardens do not all warm and cool at the same pace. The warmest garden spots are usually south-facing walls, sheltered gardens, raised beds, and sunnier urban lots. Cooler spots like low spots, exposed sites, and shadier yards tend to warm up later and usually provide less heat. For beets, warmer garden spots usually improve early growth and can make timing a little more forgiving.

Related crops

Related crops worth comparing for the same city:

For a broader local overview, see the Manhattan planting guide. You can also use the Growing Degree Day Planner to test planting dates and crop timing.