When to Plant Cuphea in Rochester, MI

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.

A common way of determining when it's possible to plant cuphea is to refer to the USDA zone info for Rochester.


Planting Calendar for Cuphea

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

It's not a good idea to plant cuphea until after the last frost when the weather gets warmer because they do not do well in cold weather.

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

The earliest that you can plant cuphea in Rochester 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. If you wait any later than that and your cuphea may not have a chance to fully mature. You can get started a little bit earlier by starting your cuphea indoors.

Last Frost Date

The average date of last frost is April 15 in Rochester. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Rochester is an average the actual date of last frost changes from year to year. Since half of the time in Rochester you get a frost after April 15 be ready to protect your cuphea in the event of a surprise late frost.

USDA Zone Info for Rochester

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Rochester

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