One of the first steps you take when you are figuring out your gardening schedule is find your 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.

In Somersworth you can determine when it's a good idea to plant monkey flower by referring to the USDA zone info.

Planting Calendar for Monkey Flower

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

It's not a good idea to plant monkey flower until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant monkey flower in Somersworth 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 monkey flower and expect a good harvest is probably August. Any later than that and your monkey flower may not have a chance to fully mature. You can get started a few weeks earlier by starting your monkey flower indoors.

Last Frost Date

In Somersworth the average date of last frost happens on April 15. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Somersworth is an average the actual date of last frost is different every year. Half of the time in Somersworth last frost occurs after April 15 so be sure to be ready to cover your monkey flower in the event of a late frost.

USDA Zone Info for Somersworth

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 Somersworth

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