The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. 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 West Chester can be read to determine when it's a good idea to plant mimulus.

Planting Calendar for Mimulus

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

You should not plant mimulus until after the last frost has passed because they require warm weather.

The earliest that you can plant mimulus in West Chester 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 mimulus and expect a good harvest is probably August. Any later than that and your mimulus may not have a chance to fully mature. You can get started a little bit earlier by starting your mimulus indoors.

Last Frost Date

On average the last frost is on April 15 in West Chester. In the coldest months of winter you should expect an average low temperature of -5°F.

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for West Chester and it can change quite a bit from year to year. Half of the time in West Chester you get a frost after April 15 so make sure that you are ready to protect your mimulus in the event of a late frost.

USDA Zone Info for West Chester

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in West Chester

You may be interested in your other planting guides for West Chester.