When can I plant Calla Lily in Zone 6a

Before planting it is a good idea to find our USDA Zone info to estimate our garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

You should be able to determine when you can plant calla lily by looking at the USDA zone info for Zone 6a.


Planting Calendar for Calla Lily

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

Calla Lily do not do well in cold weather which means that it's necessary to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant calla lily
Possibly ok, but a risky time to plant calla lily
Probably not a good time to plant calla lily

The earliest that you can plant calla lily in Zone 6a 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 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

In Zone 6a the average date of last frost happens on April 15. We should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Zone 6a may not be accurate from year to year our actual date of last frost is different every year. Half of the time in Zone 6a there is a last frost after April 15 so just be sure to be ready to protect your calla lily in the event of a surprise late frost.

USDA Zone Info for Zone 6a

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Zone 6a

You may be interested in our other planting guides for Zone 6a.