When to Plant Millet in Ottawa, IL

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.

One way of figuring out when you can plant millet is to refer to the USDA zone info for Ottawa.

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Planting Calendar for Millet

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

Since millet do not do well in cold weather it's important to wait until 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 Ottawa 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. Any later than that and your millet may not have a chance to fully mature. If you are starting your millet indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Ottawa the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Remember that USDA zone info for Ottawa is not always accurate and the actual date of last frost is different every year. Half of the time in Ottawa it frosts late in the year after April 15 so make sure that you are prepared to protect your millet in the event of one of those late frosts.

USDA Zone Info for Ottawa

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Ottawa

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