Before planting it is a good idea to find your USDA Zone info to estimate 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.

A way of getting a good idea when you can plant marigold is to check out the USDA zone info for Eldon.

Planting Calendar for Marigold

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

You can not plant marigold until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant marigold in Eldon 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. You probably don't want to wait any later than that or else your marigold may not have a chance to fully mature. If you are starting your marigold indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Eldon. It might get as low as -10°F during the coldest months of winter.

It's important to remember that USDA zone info for Eldon is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Eldon last frost occurs after April 15 so just be sure to be ready to protect your marigold in the event of a surprise late frost.

USDA Zone Info for Eldon

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 Eldon

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