One of the best tools that you have as gardeners to help us estimate 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.

The USDA zone info for Westchester should be reviewed to figure out when you can plant asparagus lettuce.

Planting Calendar for Asparagus lettuce

Frost tolerance for asparagus lettuce:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You really shouldn't plant asparagus lettuce until after the last frost because they do not do well in cold weather.

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

The last month that you can plant asparagus lettuce and expect a good harvest is probably August. Any later than that and your asparagus lettuce may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your asparagus lettuce indoors.

Last Frost Date

The average date of last frost is April 15 in Westchester. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Westchester is just an average the actual date of last frost is different every year. Since half of the time in Westchester it frosts late in the year after April 15 be ready to cover your asparagus lettuce in the event of a surprise late frost.

USDA Zone Info for Westchester

Here is the info for USDA Zone 5b.

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

Plants to Grow in Westchester

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