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

A common way of making a decision about when it's the best time to plant tithonia is to check out the USDA zone info for Mahanoy City.

Planting Calendar for Tithonia

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

You really shouldn't plant tithonia until after the last frost because they are not cold tolerant.

The earliest that you can plant tithonia in Mahanoy City 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 fully mature. 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 Mahanoy City. It might get as low as -10°F during the coldest months of winter.

Remember that USDA zone info for Mahanoy City is an average and the actual date of last frost will vary from year to year. Half of the time in Mahanoy City there is a last frost after April 15 so make sure that you are ready to cover your tithonia in the event of one of those late frosts.

USDA Zone Info for Mahanoy City

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Mahanoy City

You may be interested in your other planting guides for Mahanoy City.