The USDA Zone info is a great tool for gardeners to help us figure out 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.

In Newport you can figure out when it's possible to plant marigold by using the USDA zone info.

Planting Calendar for Marigold

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

You really shouldn't plant marigold until after the last frost because they do not do well in cold weather.

The earliest that you can plant marigold in Newport 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. You can get started a little bit earlier by starting your marigold indoors.

Last Frost Date

On average the last frost is on April 15 in Newport. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Newport is just an average the actual date of last frost will vary from year to year. Since half of the time in Newport you get a frost after April 15 be ready to cover your marigold in the event of a surprise late frost.

USDA Zone Info for Newport

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Newport

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