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.

In Mercer Island you can estimate when you can plant millet by reviewing the USDA zone info.

Planting Calendar for Millet

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

It's a bad idea to plant millet until after the last frost because they do not do well in cold weather.

The earliest that you can plant millet in Mercer Island 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 grow to maturity. You can get started a couple of weeks earlier by starting your millet indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Mercer Island. In the coldest months of winter you should expect an average low temperature of 15°F.

Remember that USDA zone info for Mercer Island is not always accurate and the actual date of last frost changes from year to year. Half of the time in Mercer Island last frost occurs after March 15 so just be sure to be ready to cover your millet in the event of a late frost.

USDA Zone Info for Mercer Island

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Mercer Island

You may be interested in your other planting guides for Mercer Island.