When to Plant Plectranthus in Grand Rapids, MI

One of the first steps you take when you are getting a good idea 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.

By referring to the USDA zone info for Grand Rapids you will be able to determine when you can plant plectranthus.


Planting Calendar for Plectranthus

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

You should not plant plectranthus until after all chance of frost has passed because they do not do well in cold weather.

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

The earliest that you can plant plectranthus in Grand Rapids 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 plectranthus and expect a good harvest is probably August. If you wait any later than that and your plectranthus may not have a chance to really do well. If you are starting your plectranthus indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Grand Rapids. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Grand Rapids is not always accurate the actual date of last frost changes from year to year. Half of the time in Grand Rapids you get a frost after April 15 so make sure that you are prepared to protect your plectranthus in the event of a late frost.

USDA Zone Info for Grand Rapids

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 Grand Rapids

You may be interested in your other planting guides for Grand Rapids.