Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Wilmore you can estimate when it's a good idea to plant sunflowers by referring to the USDA zone info.

Planting Calendar for Sunflowers

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

You should not plant sunflowers until after all chance of frost has passed because they require warm weather.

The earliest that you can plant sunflowers in Wilmore 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. Any later than that and your sunflowers may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your sunflowers indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Wilmore is an average and the actual date of last frost changes from year to year. Since half of the time in Wilmore last frost occurs after April 15 be ready to cover your sunflowers in the event of a surprise late frost.

USDA Zone Info for Wilmore

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 Wilmore

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