Before planting it is a good idea to find your USDA Zone info to estimate 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.

The USDA zone info for Yukon should be looked at to estimate when you can plant calla lily.

Planting Calendar for Calla Lily

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

It's a bad idea to plant calla lily until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant calla lily in Yukon 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 little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Yukon. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for Yukon is just an average the actual date of last frost is different every year. Since half of the time in Yukon you get a frost after April 15 be ready to protect your calla lily if you have one of those late frosts.

USDA Zone Info for Yukon

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 Yukon

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