The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant sunflowers in Wabash should be estimated 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.

Since sunflowers are not cold tolerant you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant sunflowers in Wabash 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. If you wait any later than that and your sunflowers may not have a chance to fully mature. You can get started a few weeks earlier by starting your sunflowers indoors.

Last Frost Date

On average the last frost is on April 15 in Wabash. It might get as low as -15°F during the coldest months of winter.

Remember that USDA zone info for Wabash may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Wabash you get surprised by a frost after April 15 be ready to protect your sunflowers if you have one of those late frosts.

USDA Zone Info for Wabash

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Wabash

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