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.

The first opportunity to plant romaine lettuce in Manchester can be determined by using 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 do well in cold which tells us that you can plant them a quite a bit earlier than more sensitive plants.

The earliest that you can plant romaine lettuce in Manchester 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. Any later than that and your romaine lettuce may not have a chance to fully mature. You can get started a little bit earlier by starting your romaine lettuce indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Manchester. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Manchester is not always accurate the actual date of last frost will vary from year to year. Half of the time in Manchester it frosts late in the year after April 15 so make sure that you are prepared to protect your romaine lettuce if you have one of those late frosts.

USDA Zone Info for Manchester

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Manchester

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