When to Plant Millet in Upland, CA

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Upland should be looked at to figure out when you can plant millet.


Planting Calendar for Millet

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

Since millet are not cold tolerant you need 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 Upland 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. You probably don't want to wait any later than that or else 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 little bit earlier.

Last Frost Date

On average the last frost is on January 31 in Upland. You can expect an average low temperature of 30°F in the coldest months of winter.

Remember that USDA zone info for Upland is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Upland you get a frost after January 31 be ready to protect your millet if you have one of those late frosts.

USDA Zone Info for Upland

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 Upland

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