Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of determining when it's the best time to plant calla lily is to check out the USDA zone info for Powder Springs.

Planting Calendar for Calla Lily

Frost tolerance for calla lily:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's probably not a good idea to plant calla lily until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant calla lily in Powder Springs 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 calla lily and expect a good harvest is probably August. If you wait any later than that and your calla lily may not have a chance to fully mature. If you are starting your calla lily indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Powder Springs. It might get as low as 5°F during the coldest months of winter.

Remember that USDA zone info for Powder Springs is an average and the actual date of last frost will vary from year to year. Since half of the time in Powder Springs there is a last frost after April 15 be ready to cover your calla lily if you have a late frost.

USDA Zone Info for Powder Springs

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 Powder Springs

You may be interested in your other planting guides for Powder Springs.