The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Sullivan you will be able to estimate when to plant axilflower.

Planting Calendar for Axilflower

Frost tolerance for axilflower:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Axilflower do not do well in cold weather which means that you must wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant axilflower in Sullivan 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 axilflower and expect a good harvest is probably August. If you wait any later than that and your axilflower may not have a chance to really do well. If you are starting your axilflower indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Sullivan the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Sullivan is just an average the actual date of last frost changes from year to year. Half of the time in Sullivan you get surprised by a frost after April 15 so always be ready to cover your axilflower in the event of a late frost.

USDA Zone Info for Sullivan

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 Sullivan

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