One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Buffalo you will be able to figure out when it's possible to plant calla lily.

Planting Calendar for Calla Lily

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

It's a bad idea to plant calla lily until after all chance of frost has passed because they require warm weather.

The earliest that you can plant calla lily in Buffalo 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 grow to maturity. You can get started a little bit earlier by starting your calla lily indoors.

Last Frost Date

In Buffalo the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Buffalo may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Buffalo there is a last frost after April 15 be ready to cover your calla lily if you have one of those late frosts.

USDA Zone Info for Buffalo

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 Buffalo

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