One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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 can determine when it's the best time to plant romaine lettuce in New Lenox by reviewing the USDA zone info.

Planting Calendar for Romaine lettuce

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

Romaine lettuce can survive in pretty solid cold which tells us that you can plant them earlier in the year than other plants that might not handle the cold.

The earliest that you can plant romaine lettuce in New Lenox 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 romaine lettuce and expect a good harvest is probably September. If you wait any later than that and your romaine lettuce may not have a chance to grow to maturity. Starting your romaine lettuce indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in New Lenox. In the coldest months of winter you should expect an average low temperature of -15°F.

Always keep in mind that USDA zone info for New Lenox 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 New Lenox you get surprised by a frost after April 15 so just be sure to be ready to cover your romaine lettuce in the event of a late frost.

USDA Zone Info for New Lenox

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in New Lenox

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