When to Plant Millet in Glenwood, IA

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Glenwood it's a good idea to determine when to plant millet.


Planting Calendar for Millet

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

Millet are not cold tolerant which tells us that you need to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

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 Glenwood is April. However, you really should wait until May 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. If you wait any later than that and your millet may not have a chance to really do well. You can get started a few weeks earlier by starting your millet indoors.

Last Frost Date

The average date of last frost is April 15 in Glenwood. You should expect an average low temperature of -20°F in the coldest months of winter.

Remember that USDA zone info for Glenwood may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Glenwood you get a frost after April 15 so always be ready to protect your millet if you have a surprise late frost.

USDA Zone Info for Glenwood

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Glenwood

You may be interested in your other planting guides for Glenwood.