Before planting it is a good idea to find your USDA Zone info to determine 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.

You should be able to determine when to plant cuphea by reviewing the USDA zone info for Hampshire.

Planting Calendar for Cuphea

Frost tolerance for cuphea:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's a bad idea to plant cuphea until after the last frost has passed because they require warm weather.

The earliest that you can plant cuphea in Hampshire 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 cuphea and expect a good harvest is probably August. Any later than that and your cuphea may not have a chance to grow to maturity. You can get started a little bit earlier by starting your cuphea indoors.

Last Frost Date

On average the last frost is on April 15 in Hampshire. You should expect an average low temperature of -15°F in the coldest months of winter.

Always keep in mind that USDA zone info for Hampshire is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Hampshire last frost occurs after April 15 so just be sure to be ready to cover your cuphea in the event of one of those late frosts.

USDA Zone Info for Hampshire

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 Hampshire

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