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.

You will be able to figure out when it's the best time to plant calla lily by reviewing the USDA zone info for Gardendale.

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.

Since calla lily require warm weather it's important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant calla lily in Gardendale 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. Any later than that and your calla lily may not have a chance to really do well. Starting your calla lily indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Gardendale the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of 5°F.

Keep in mind that USDA zone info for Gardendale may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Gardendale there is a last frost after April 15 be ready to cover your calla lily if you have one of those late frosts.

USDA Zone Info for Gardendale

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 Gardendale

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