One of the first steps you take when you are determining your gardening schedule is find your 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.

The USDA zone info for Sellersburg should be looked at to determine when it's the best time to plant tithonia.

Planting Calendar for Tithonia

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

Tithonia require warm weather which means that it is important to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant tithonia in Sellersburg 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 tithonia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your tithonia may not have a chance to really do well. You can get started a couple of weeks earlier by starting your tithonia indoors.

Last Frost Date

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

It's important to remember that USDA zone info for Sellersburg is not always accurate and the actual date of last frost is different every year. Since half of the time in Sellersburg you get surprised by a frost after April 15 be ready to cover your tithonia if you have a surprise late frost.

USDA Zone Info for Sellersburg

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 Sellersburg

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