When to Plant Marigold in Mahanoy City, 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.

By using the USDA zone info for Mahanoy City it's a good idea to figure out when you can plant marigold.


Planting Calendar for Marigold

Frost tolerance for marigold: Not tolerant of frost.
When to plant: After the last frost.

Since marigold are not cold tolerant it's necessary to wait until after the last frost has passed before you can plant them.

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

The earliest that you can plant marigold in Mahanoy City is April. However, you really should wait until May if you don't want to take any chances.

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

Last Frost Date

On average the last frost has passed is on April 15 in Mahanoy City. You can expect an average low temperature of -10°F in the coldest months of winter.

Remember that USDA zone info for Mahanoy City is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Mahanoy City last frost occurs after April 15 be ready to protect your marigold if you have a surprise late frost.

USDA Zone Info for Mahanoy City

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 Mahanoy City

You may be interested in your other planting guides for Mahanoy City.