When to Plant Garden Mums in Scranton, PA

One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant garden mums in Scranton can be estimated by reviewing the USDA zone info.


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 ok in a little bit of cold which tells us that you can plant them just a bit earlier in the year 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 Scranton 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. If you wait any later than that and your garden mums may not have a chance to grow to maturity. If you are starting your garden mums indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Scranton. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Scranton may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Scranton it frosts late in the year after April 15 so make sure that you are prepared to protect your garden mums if you have a surprise late frost.

USDA Zone Info for Scranton

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 Scranton

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