When to Plant Millet in Zone 4a

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to figure out when to plant millet by looking at the USDA zone info for Zone 4a.

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Planting Calendar for Millet

Frost tolerance for millet: Not tolerant of frost.
When to plant: After the last frost.

It's probably not a good idea to plant millet until after the last frost because they do not do well in cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant millet
Possibly ok, but a risky time to plant millet
Probably not a good time to plant millet

The earliest that you can plant millet in Zone 4a is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant millet and expect a good harvest is probably August. You probably don't want to wait any later than that or else your millet may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your millet indoors.

Last Frost Date

The average date of last frost is May 15 in Zone 4a. In the coldest months of winter you can expect an average low temperature of -30°F.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Zone 4a and it is different every year. Since half of the time in Zone 4a there is a last frost after May 15 be ready to cover your millet if you have a surprise late frost.

USDA Zone Info for Zone 4a

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-30°F
Highest Expected Low-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Zone 4a

You may be interested in your other planting guides for Zone 4a.