One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By reviewing the USDA zone info for Silvis it's possible to estimate when it's a good idea to plant millet.

Planting Calendar for Millet

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

Millet do not do well in cold weather which means that it's important to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant millet in Silvis 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 couple of weeks earlier by starting your millet indoors.

Last Frost Date

The average date of last frost is April 15 in Silvis. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Silvis is just an average the actual date of last frost is different every year. Since half of the time in Silvis it frosts late in the year after April 15 be ready to protect your millet in the event of one of those late frosts.

USDA Zone Info for Silvis

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 Silvis

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