When to Plant Lettuce in West Mifflin, PA

One of the first steps you take when you are figuring out your gardening schedule is find your 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.

It's a good idea to determine when you can plant lettuce by checking out the USDA zone info for West Mifflin.


Planting Calendar for Lettuce

Frost tolerance for lettuce: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Lettuce are moderately cold tolerant which means that you can get them planted earlier than other plants that might not handle the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant lettuce
Possibly ok, but a risky time to plant lettuce
Probably not a good time to plant lettuce

The earliest that you can plant lettuce in West Mifflin 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 lettuce and expect a good harvest is probably September. You probably don't want to wait any later than that or else your lettuce may not have a chance to fully mature. If you are starting your lettuce indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in West Mifflin. It might get as low as -5°F during the coldest months of winter.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for West Mifflin and it can change quite a bit from year to year. Half of the time in West Mifflin you get surprised by a frost after April 15 so be sure to be ready to cover your lettuce if you have one of those late frosts.

USDA Zone Info for West Mifflin

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°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 0°F.

Plants to Grow in West Mifflin

You may be interested in your other planting guides for West Mifflin.