When to Plant Tithonia in East Petersburg, PA

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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 East Petersburg can be looked at to figure out 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.

You can not plant tithonia until after all chance of frost has passed because they do not do well in cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant tithonia
Possibly ok, but a risky time to plant tithonia
Probably not a good time to plant tithonia

The earliest that you can plant tithonia in East Petersburg 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. Any later than that and your tithonia may not have a chance to fully mature. You can get started a few weeks earlier by starting your tithonia indoors.

Last Frost Date

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

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

USDA Zone Info for East Petersburg

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 Low0°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 East Petersburg

You may be interested in your other planting guides for East Petersburg.