One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

By referring to the USDA zone info for Pharr you should be able to figure out when to plant asparagus lettuce.

Planting Calendar for Asparagus lettuce

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

Since asparagus lettuce require warm weather you need to wait until after the last frost before you can plant them.

The earliest that you can plant asparagus lettuce in Pharr 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 asparagus lettuce and expect a good harvest is probably September. You probably don't want to wait any later than that or else 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

On average the last frost is on February 15 in Pharr. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Pharr is an average the actual date of last frost will vary from year to year. Since half of the time in Pharr you get a frost after February 15 be ready to protect your asparagus lettuce in the event of a late frost.

USDA Zone Info for Pharr

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Pharr

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