When to Plant Asparagus lettuce in Monrovia, CA

Before planting it is a good idea to find your USDA Zone info to estimate 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.

You can figure out when to plant asparagus lettuce in Monrovia by checking out 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 has passed.

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

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant asparagus lettuce
Possibly ok, but a risky time to plant asparagus lettuce
Probably not a good time to plant asparagus lettuce

The earliest that you can plant asparagus lettuce in Monrovia is February. However, you really should wait until March 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 grow to maturity. You can get started a few weeks earlier by starting your asparagus lettuce indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in Monrovia. In the coldest months of winter you can expect an average low temperature of 30°F.

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Monrovia and it can change quite a bit from year to year. Half of the time in Monrovia last frost occurs after January 31 so make sure that you are ready to cover your asparagus lettuce if you have a late frost.

USDA Zone Info for Monrovia

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low30°F
Highest Expected Low35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Monrovia

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