Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant asparagus lettuce in Hercules can be figured out by reviewing the USDA zone info.

Planting Calendar for Asparagus lettuce

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

Asparagus lettuce are not cold tolerant which tells us that it is necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant asparagus lettuce in Hercules 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. If you wait any later than that and your asparagus lettuce may not have a chance to fully mature. Starting your asparagus lettuce indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on February 15 in Hercules. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Hercules may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Hercules last frost occurs after February 15 so make sure that you are prepared to cover your asparagus lettuce in the event of a late frost.

USDA Zone Info for Hercules

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 Hercules

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