When to Plant Geranium in Palmyra, PA

One of the best tools that you have as gardeners to help us determine 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.

One way of determining when it's a good idea to plant geranium is to check out the USDA zone info for Palmyra.


Planting Calendar for Geranium

Frost tolerance for geranium: Not tolerant of frost.
When to plant: After all chance of frost has passed.

It's not a good idea to plant geranium until after the last frost because they require warm weather.

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

The earliest that you can plant geranium in Palmyra 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 geranium and expect a good harvest is probably August. You probably don't want to wait any later than that or else your geranium may not have a chance to fully mature. If you are starting your geranium indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Palmyra. In the coldest months of winter you should expect an average low temperature of -5°F.

Always keep in mind that USDA zone info for Palmyra is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Palmyra you get a frost after April 15 so make sure that you are prepared to protect your geranium in the event of a surprise late frost.

USDA Zone Info for Palmyra

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 Palmyra

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