When to Plant Achimenes in Somersworth, NH

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Somersworth can be reffered to in order to figure out when you can plant achimenes.


Planting Calendar for Achimenes

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

Since achimenes do not do well in cold weather it's important to wait until after the last frost before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant achimenes
Possibly ok, but a risky time to plant achimenes
Probably not a good time to plant achimenes

The earliest that you can plant achimenes 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 achimenes and expect a good harvest is probably August. You probably don't want to wait any later than that or else your achimenes may not have a chance to grow to maturity. If you are starting your achimenes indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Somersworth the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

It's important to remember that USDA zone info for Somersworth is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Somersworth you get surprised by a frost after April 15 so make sure that you are ready to protect your achimenes in the event of one of those late frosts.

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.