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

You can estimate when it's a good idea to plant dianthus in Leesburg by referring to the USDA zone info.

Planting Calendar for Dianthus

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

Dianthus tend to make it in mild cold which tells us that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant dianthus 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 dianthus and expect a good harvest is probably September. Any later than that and your dianthus may not have a chance to fully mature. You can get started a little bit earlier by starting your dianthus indoors.

Last Frost Date

The average date of last frost is April 15 in Leesburg. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Leesburg is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Leesburg you get surprised by a frost after April 15 be ready to protect your dianthus if you have 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.