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.

By referring to the USDA zone info for Grafton it's possible to estimate when you can plant plectranthus.

Planting Calendar for Plectranthus

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

You should not plant plectranthus until after all chance of frost has passed because they require warm weather.

The earliest that you can plant plectranthus in Grafton 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. Any later than that and your plectranthus may not have a chance to really do well. Starting your plectranthus 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 Grafton. It might get as low as -10°F during the coldest months of winter.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Grafton and it will vary from year to year. Half of the time in Grafton you get a frost after April 15 so be sure to be ready to cover your plectranthus if you have a surprise late frost.

USDA Zone Info for Grafton

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 Grafton

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