The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Alpharetta you can estimate when it's possible to plant plectranthus by using the USDA zone info.

Planting Calendar for Plectranthus

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

It's not a good idea to plant plectranthus until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant plectranthus in Alpharetta 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 Alpharetta. In the coldest months of winter you can expect an average low temperature of 5°F.

Just be sure to remember that USDA zone info for Alpharetta is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Alpharetta you get surprised by a frost after April 15 be ready to cover your plectranthus in the event of a late frost.

USDA Zone Info for Alpharetta

Here is the info for USDA Zone 7b.

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

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

Plants to Grow in Alpharetta

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