One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to estimate when you can plant leeks by looking at the USDA zone info for Alexandria.

Planting Calendar for Leeks

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

You can plant leeks a lot earlier in the year because they are very cold tolerant.

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

The last month that you can plant leeks and expect a good harvest is probably August. If you wait any later than that and your leeks may not have a chance to fully mature. You can get started a few weeks earlier by starting your leeks indoors.

Last Frost Date

The average date of last frost is May 15 in Alexandria. You can expect an average low temperature of -30°F in the coldest months of winter.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Alexandria and it can change quite a bit from year to year. Half of the time in Alexandria last frost occurs after May 15 so make sure that you are ready to cover your leeks in the event of one of those late frosts.

USDA Zone Info for Alexandria

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

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

Plants to Grow in Alexandria

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