When to Plant Celosia in Hermitage, PA

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.

In Hermitage you can estimate when it's a good idea to plant celosia by looking at the USDA zone info.


Planting Calendar for Celosia

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

Since celosia are not cold tolerant it is necessary to wait until after all chance of frost has passed before you can plant them.

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

The earliest that you can plant celosia in Hermitage 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 celosia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your celosia may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your celosia indoors.

Last Frost Date

On average the last frost is on April 15 in Hermitage. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Hermitage is not always accurate the actual date of last frost will vary from year to year. Half of the time in Hermitage it frosts late in the year after April 15 so just be sure to be ready to protect your celosia in the event of a surprise late frost.

USDA Zone Info for Hermitage

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 Hermitage

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