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

One way of getting a good idea when you can plant romaine lettuce is to examine the USDA zone info for Dupont.

Planting Calendar for Romaine lettuce

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

Since romaine lettuce do well in cold you can plant them much earlier in the year than other plants that might not handle the cold.

The earliest that you can plant romaine lettuce in Dupont 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 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 when the weather gets warmer is on March 15 in Dupont. It might get as low as 15°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Dupont may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Dupont it frosts late in the year after March 15 be ready to protect your romaine lettuce if you have a surprise late frost.

USDA Zone Info for Dupont

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Dupont

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