When to Plant Geranium in York, PA

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. 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 geranium in York can be figured out by using the USDA zone info.


Planting Calendar for Geranium

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

Geranium do not do well in cold weather which tells us that it is necessary to wait until it warms up after the last frost has passed before you can plant them.

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 York 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 grow to maturity. You can get started a couple of weeks earlier by starting your geranium indoors.

Last Frost Date

On average the last frost has passed is on April 15 in York. You should expect an average low temperature of -5°F in the coldest months of winter.

Keep in mind that USDA zone info for York is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in York you get a frost after April 15 so be sure to be ready to cover your geranium if you have a late frost.

USDA Zone Info for York

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 York

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