Before planting it is a good idea to find your USDA Zone info to determine your garden 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 estimate when you can plant calla lily by referring to the USDA zone info for Loves Park.

Planting Calendar for Calla Lily

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

You can not plant calla lily until after the last frost because they require warm weather.

The earliest that you can plant calla lily in Loves Park 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. You probably don't want to wait any later than that or else your calla lily may not have a chance to really do well. If you are starting your calla lily indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Loves Park. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Loves Park is an average the actual date of last frost changes from year to year. Since half of the time in Loves Park last frost occurs after April 15 be ready to protect your calla lily if you have a surprise late frost.

USDA Zone Info for Loves Park

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°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 -10°F.

Plants to Grow in Loves Park

You may be interested in your other planting guides for Loves Park.