One of the first steps you take when you are determining your gardening schedule is find your 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 checking out the USDA zone info for Richmond it's a good idea to determine when it's the best time 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 are not cold tolerant it's necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant asparagus lettuce in Richmond 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 fully mature. You can get started a little bit earlier by starting your asparagus lettuce indoors.

Last Frost Date

On average the last frost is on February 15 in Richmond. In the coldest months of winter you can expect an average low temperature of 20°F.

It's important to remember that USDA zone info for Richmond may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Richmond there is a last frost after February 15 so just be sure to be ready to cover your asparagus lettuce if you have one of those late frosts.

USDA Zone Info for Richmond

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Richmond

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