One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

It's possible to figure out when it's the best time to plant calla lily by looking at the USDA zone info for Dahlonega.

Planting Calendar for Calla Lily

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

Since calla lily are not cold tolerant it's necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant calla lily in Dahlonega 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 grow to maturity. Starting your calla lily indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Dahlonega the average date of last frost happens on April 15. You can expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Dahlonega is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Dahlonega last frost occurs after April 15 so make sure that you are prepared to protect your calla lily in the event of one of those late frosts.

USDA Zone Info for Dahlonega

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 Dahlonega

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