One of the first steps you take when you are estimating 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.

The USDA zone info for Leonia should be read to figure out when you can plant marigold.

Planting Calendar for Marigold

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

It's probably a bad idea to plant marigold until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant marigold in Leonia 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 really do well. Starting your marigold indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Leonia. In the coldest months of winter you can expect an average low temperature of 0°F.

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 Leonia and it changes from year to year. Since half of the time in Leonia it frosts late in the year after April 15 be ready to protect your marigold in the event of a late frost.

USDA Zone Info for Leonia

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 Leonia

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