Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Leesburg you can figure out when it's the best time to plant calendula by using the USDA zone info.

Planting Calendar for Calendula

Frost tolerance for calendula:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Calendula do well in moderate cold which means that you can start planting them earlier than other frost tender plants.

The earliest that you can plant calendula in Leesburg is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant calendula and expect a good harvest is probably September. Any later than that and your calendula may not have a chance to really do well. Starting your calendula indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Leesburg. In the coldest months of winter you should expect an average low temperature of 0°F.

Just be sure to remember that USDA zone info for Leesburg is just an average and the actual date of last frost will vary from year to year. Half of the time in Leesburg it frosts late in the year after April 15 so be sure to be ready to cover your calendula in the event of a late frost.

USDA Zone Info for Leesburg

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 Leesburg

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