When to Plant Calendula in Scranton, PA

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Scranton can be looked at to figure out when you can plant calendula.


Planting Calendar for Calendula

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

Calendula can survive in moderate cold which means that you can plant them a little bit earlier in the year than other frost tender plants.

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

The earliest that you can plant calendula 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 calendula and expect a good harvest is probably September. Any later than that and your calendula may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your calendula indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Scranton. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Scranton may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Scranton last frost occurs after April 15 be ready to protect your calendula if you have one of those late frosts.

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.