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.

The earliest that you can plant hamelia in Somersworth can be determined by using the USDA zone info.

Planting Calendar for Hamelia

Frost tolerance for hamelia:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's probably not a good idea to plant hamelia until after the last frost has passed because they require warm weather.

The earliest that you can plant hamelia 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 hamelia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your hamelia may not have a chance to grow to maturity. Starting your hamelia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Somersworth is just an average the actual date of last frost is different every year. Since half of the time in Somersworth you get surprised by a frost after April 15 be ready to cover your hamelia 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.