When to Plant Marigold in Vandergrift, PA

The USDA Zone info is a great tool for gardeners to help us determine your gardening 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 Vandergrift can be read to figure out when to plant marigold.

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Planting Calendar for Marigold

Frost tolerance for marigold: Not tolerant of frost.
When to plant: After all chance of frost has passed.

You really shouldn't plant marigold until after the last frost when the weather gets warmer because they are not cold tolerant.

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 Vandergrift 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. Any later than that and your marigold may not have a chance to fully mature. Starting your marigold indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Vandergrift is just an average and the actual date of last frost is different every year. Half of the time in Vandergrift last frost occurs after April 15 so make sure that you are ready to cover your marigold if you have one of those late frosts.

USDA Zone Info for Vandergrift

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 Vandergrift

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