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

A way of making a decision about when it's a good idea to plant tithonia is to look at the USDA zone info for Elizabethtown.

Planting Calendar for Tithonia

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

Since tithonia require warm weather you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant tithonia in Elizabethtown 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 grow to maturity. You can get started a little bit earlier by starting your tithonia indoors.

Last Frost Date

The average date of last frost is April 15 in Elizabethtown. It might get as low as -5°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Elizabethtown and it can change quite a bit from year to year. Half of the time in Elizabethtown there is a last frost after April 15 so just be sure to be ready to cover your tithonia if you have a surprise late frost.

USDA Zone Info for Elizabethtown

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 Elizabethtown

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