When to Plant Garden Mums in Bethel Park, PA

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

A common way of getting a good idea when it's a good idea to plant garden mums is to check out the USDA zone info for Bethel Park.


Planting Calendar for Garden Mums

Frost tolerance for garden mums: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Garden Mums do well in moderate cold which tells us that you can plant them a little bit earlier than other plants that might not handle the cold.

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

The earliest that you can plant garden mums in Bethel Park is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant garden mums and expect a good harvest is probably September. Any later than that and your garden mums may not have a chance to fully mature. You can get started a little bit earlier by starting your garden mums indoors.

Last Frost Date

In Bethel Park the average date of last frost happens on April 15. You should expect an average low temperature of -5°F in the coldest months of winter.

Keep in mind that USDA zone info for Bethel Park is not always accurate and the actual date of last frost is different every year. Half of the time in Bethel Park there is a last frost after April 15 so be sure to be ready to cover your garden mums in the event of a surprise late frost.

USDA Zone Info for Bethel Park

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 Bethel Park

You may be interested in your other planting guides for Bethel Park.