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.

It's possible to figure out when to plant asparagus lettuce by referring to the USDA zone info for Gretna.

Planting Calendar for Asparagus lettuce

Frost tolerance for asparagus lettuce:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since asparagus lettuce do not do well in cold weather you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant asparagus lettuce in Gretna 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. Any later than that and your asparagus lettuce may not have a chance to really do well. Starting your asparagus lettuce indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Always keep in mind that USDA zone info for Gretna may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Gretna you get a frost after February 15 be ready to protect your asparagus lettuce if you have a late frost.

USDA Zone Info for Gretna

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 Gretna

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