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.

You can estimate when it's a good idea to plant calla lily in Haledon 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 when the weather gets warmer.

You really shouldn't plant calla lily until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant calla lily in Haledon 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. Starting your calla lily indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Haledon. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Haledon is not always accurate the actual date of last frost changes from year to year. Half of the time in Haledon you get a frost after April 15 so be sure to be ready to protect your calla lily in the event of a surprise late frost.

USDA Zone Info for Haledon

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Haledon

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