The USDA Zone info is a great tool for gardeners to help us figure out 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.

The USDA zone info for Pulaski can be looked at to determine when to plant sunflowers.

Planting Calendar for Sunflowers

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

It's not a good idea to plant sunflowers until after the last frost because they do not do well in cold weather.

The earliest that you can plant sunflowers in Pulaski 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 sunflowers and expect a good harvest is probably August. You probably don't want to wait any later than that or else your sunflowers may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your sunflowers indoors.

Last Frost Date

The average date of last frost is April 15 in Pulaski. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Pulaski is an average the actual date of last frost changes from year to year. Since half of the time in Pulaski it frosts late in the year after April 15 be ready to protect your sunflowers in the event of a surprise late frost.

USDA Zone Info for Pulaski

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 Pulaski

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