When to Plant Marigold in Grafton, WV

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Grafton you can determine when to plant marigold by using the USDA zone info.

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Planting Calendar for Marigold

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

Marigold do not do well in cold weather which tells us that you have to wait until it warms up 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 Grafton 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 grow to maturity. Starting your marigold indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Grafton the average date of last frost happens on April 15. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Grafton is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Grafton it frosts late in the year after April 15 be ready to cover your marigold if you have one of those late frosts.

USDA Zone Info for Grafton

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 Grafton

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