When to Plant Chrysanthemums in West Chester, PA

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In West Chester you can figure out when it's a good idea to plant chrysanthemums by using the USDA zone info.


Planting Calendar for Chrysanthemums

Frost tolerance for chrysanthemums: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Chrysanthemums are barely cold tolerant which tells us that you can plant them slightly earlier than other plants that might not handle the cold.

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

The earliest that you can plant chrysanthemums in West Chester is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant chrysanthemums and expect a good harvest is probably August. If you wait any later than that and your chrysanthemums may not have a chance to fully mature. Starting your chrysanthemums indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on April 15 in West Chester. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for West Chester is just an average the actual date of last frost changes from year to year. Half of the time in West Chester last frost occurs after April 15 so always be ready to protect your chrysanthemums in the event of a surprise late frost.

USDA Zone Info for West Chester

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 West Chester

You may be interested in your other planting guides for West Chester.