Before planting it is a good idea to find your USDA Zone info to figure out 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 estimate when it's a good idea to plant alyssum by checking out the USDA zone info.

Planting Calendar for Alyssum

Frost tolerance for alyssum:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Alyssum do well in cold weather which means that you can plant them quite a bit earlier in the year than plants that are more sensitive to the cold.

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

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

Last Frost Date

The average date of last frost is February 15 in Leesburg. You should expect an average low temperature of 25°F in the coldest months of winter.

Always keep in mind that USDA zone info for Leesburg is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Leesburg there is a last frost after February 15 so always be ready to cover your alyssum in the event of a late frost.

USDA Zone Info for Leesburg

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Leesburg

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