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

The USDA zone info for Norwalk should be looked at to figure out when it's the best time to plant leeks.

Planting Calendar for Leeks

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

Leeks do well in cold which tells us that you can get them planted much earlier than plants that are more sensitive to the cold.

The earliest that you can plant leeks in Norwalk 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 leeks and expect a good harvest is probably October. If you wait any later than that and your leeks may not have a chance to really do well. Starting your leeks indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Norwalk the average date of last frost happens on January 31. In the coldest months of winter you should expect an average low temperature of 35°F.

Keep in mind that USDA zone info for Norwalk is just an average and the actual date of last frost is different every year. Half of the time in Norwalk you get a frost after January 31 so just be sure to be ready to cover your leeks if you have a late frost.

USDA Zone Info for Norwalk

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Norwalk

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