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When to Plant Asparagus lettuce in Commerce City, CO

One of the first steps you take when you are getting a good idea 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.

The USDA zone info for Commerce City should be reffered to in order to figure out when it's possible 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 when the weather gets warmer.

It's probably a bad idea to plant asparagus lettuce until after all chance of frost has passed because they do not do well in cold weather.

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 Commerce City is April. However, you really should wait until May 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 August. If you wait any later than that and your asparagus lettuce may not have a chance to fully mature. You can get started a few weeks earlier by starting your asparagus lettuce indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Commerce City. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Commerce City is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Commerce City you get a frost after April 15 be ready to cover your asparagus lettuce if you have a surprise late frost.

USDA Zone Info for Commerce City

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Commerce City

You may be interested in your other planting guides for Commerce City.