One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Newark you can determine when it's the best time to plant marigold by looking at the USDA zone info.

Planting Calendar for Marigold

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

Marigold require warm weather which tells us that it is important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant marigold in Newark 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 little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Newark. It might get as low as -10°F during the coldest months of winter.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Newark and it is different every year. Half of the time in Newark you get surprised by a frost after April 15 so always be ready to cover your marigold in the event of a late frost.

USDA Zone Info for Newark

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 Newark

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