When to Plant Tithonia in Latrobe, PA

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.

You can determine when you can plant tithonia in Latrobe by checking out the USDA zone info.


Planting Calendar for Tithonia

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

Tithonia are not cold tolerant which means that you must wait until it warms up after the last frost has passed before you can plant them.

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 Latrobe 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 grow to maturity. You can get started a little bit earlier by starting your tithonia indoors.

Last Frost Date

In Latrobe the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -10°F.

Always keep in mind that USDA zone info for Latrobe is just an average and the actual date of last frost will vary from year to year. Since half of the time in Latrobe you get a frost after April 15 be ready to cover your tithonia if you have a late frost.

USDA Zone Info for Latrobe

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 Latrobe

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