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

You should be able to determine when it's possible to plant leeks by checking out the USDA zone info for New Prague.

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 plant them much earlier than other frost tender plants.

The earliest that you can plant leeks in New Prague 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. Starting your leeks indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in New Prague. You can expect an average low temperature of -25°F in the coldest months of winter.

Just be sure to remember that USDA zone info for New Prague may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in New Prague you get a frost after May 15 so just be sure to be ready to protect your leeks in the event of a late frost.

USDA Zone Info for New Prague

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°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 -20°F.

Plants to Grow in New Prague

You may be interested in your other planting guides for New Prague.