When to Plant Millet in Ontario, CA

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for Ontario it's a good idea to determine when it's possible to plant millet.


Planting Calendar for Millet

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

Millet require warm weather which means that it is important to wait until it warms up after the last frost 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 Ontario is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant millet and expect a good harvest is probably September. Any later than that and your millet may not have a chance to grow to maturity. Starting your millet indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on January 31 in Ontario. It might get as low as 30°F during the coldest months of winter.

Remember that USDA zone info for Ontario is an average and the actual date of last frost is different every year. Since half of the time in Ontario it frosts late in the year after January 31 be ready to cover your millet in the event of one of those late frosts.

USDA Zone Info for Ontario

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low30°F
Highest Expected Low35°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 35°F.

Plants to Grow in Ontario

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