When to Plant Tithonia in Ephrata, WA

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant tithonia in Ephrata should be figured out 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 when the weather gets warmer.

It's a bad idea to plant tithonia until after the last frost has passed because they require warm 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 Ephrata 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 little bit earlier by starting your tithonia indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Ephrata is just an average and the actual date of last frost changes from year to year. Since half of the time in Ephrata you get surprised by a frost after April 15 be ready to protect your tithonia in the event of a late frost.

USDA Zone Info for Ephrata

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 Ephrata

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