When to Plant Iceberg lettuce in Plymouth, PA

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.

You should be able to figure out when it's the best time to plant iceberg lettuce by referring to the USDA zone info for Plymouth.


Planting Calendar for Iceberg lettuce

Frost tolerance for iceberg lettuce: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Since iceberg lettuce are barely cold tolerant you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

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

The earliest that you can plant iceberg lettuce in Plymouth is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant iceberg lettuce and expect a good harvest is probably August. You probably don't want to wait any later than that or else your iceberg lettuce may not have a chance to fully mature. If you are starting your iceberg lettuce indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Plymouth the average date of last frost happens on April 15. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Plymouth is just an average the actual date of last frost is different every year. Half of the time in Plymouth you get surprised by a frost after April 15 so be sure to be ready to protect your iceberg lettuce if you have a late frost.

USDA Zone Info for Plymouth

Here is the info for USDA Zone 6a.

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

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

Plants to Grow in Plymouth

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