One of the best tools that you have as gardeners to help us estimate 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.

In Adel you can figure out when it's possible to plant calla lily by using the USDA zone info.

Planting Calendar for Calla Lily

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

Since calla lily are not cold tolerant it is 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 Adel 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 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

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

It's important to remember that USDA zone info for Adel is an average and the actual date of last frost is different every year. Half of the time in Adel you get surprised by a frost after March 15 so just be sure to be ready to cover your calla lily in the event of a late frost.

USDA Zone Info for Adel

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Adel

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