One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. 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 figure out when to plant romaine lettuce by referring to the USDA zone info for Brownfield.

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 much earlier than other frost tender plants.

The earliest that you can plant romaine lettuce in Brownfield 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. You can get started a couple of weeks earlier by starting your romaine lettuce indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Brownfield. In the coldest months of winter you should expect an average low temperature of 5°F.

Since the USDA zone info for Brownfield is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Brownfield there is a last frost after April 15 be ready to cover your romaine lettuce in the event of one of those late frosts.

USDA Zone Info for Brownfield

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Brownfield

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