The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for Somerset you should be able to figure out when it's the best time to plant mimulus.

Planting Calendar for Mimulus

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

It's not a good idea to plant mimulus until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant mimulus in Somerset 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 grow to maturity. Starting your mimulus indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Somerset. It might get as low as -5°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Somerset is an average and the actual date of last frost changes from year to year. Half of the time in Somerset you get surprised by a frost after April 15 so just be sure to be ready to cover your mimulus if you have a surprise late frost.

USDA Zone Info for Somerset

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 Somerset

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