When to Plant Calendula in Somerset, 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.

You should be able to determine when you can plant calendula by looking at the USDA zone info for Somerset.


Planting Calendar for Calendula

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

Since calendula are moderately cold tolerant you can plant them a bit earlier in the year than more sensitive 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 Somerset 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. You probably don't want to wait any later than that or else your calendula may not have a chance to grow to maturity. If you are starting your calendula indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Somerset. You can expect an average low temperature of -15°F in the coldest months of winter.

Always keep in mind that USDA zone info for Somerset is an average and the actual date of last frost changes from year to year. Since half of the time in Somerset you get a frost after April 15 be ready to protect your calendula if you have one of those late frosts.

USDA Zone Info for Somerset

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Somerset

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