One of the first steps you take when you are getting a good idea your gardening schedule is find your 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.

One way of figuring out when to plant calla lily is to refer to the USDA zone info for Magnolia.

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.

Calla Lily do not do well in cold weather which means that you have to wait until it warms up after the last frost before you can plant them.

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

Last Frost Date

In Magnolia the average date of last frost happens on April 15. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Magnolia may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Magnolia last frost occurs after April 15 so make sure that you are ready to protect your calla lily in the event of a late frost.

USDA Zone Info for Magnolia

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Magnolia

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