When can I plant Asparagus in Zone 7b

One of the best tools that we have as gardeners to help us figure out our gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

It's a good idea to determine when it's a good idea to plant asparagus by referring to the USDA zone info for Zone 7b.


Planting Calendar for Asparagus

Frost tolerance for asparagus: Very tolerant of frost.
When you should plant them: Up to 7 weeks before last frost.

You can plant asparagus a lot earlier in the year because they are very cold tolerant.

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

The earliest that you can plant asparagus in Zone 7b 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 and expect a good harvest is probably September. Any later than that and your asparagus may not have a chance to grow to maturity. Starting your asparagus indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Zone 7b. We should expect an average low temperature of 5°F in the coldest months of winter.

Always keep in mind that our actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Zone 7b and it changes from year to year. Since half of the time in Zone 7b we get a frost after April 15 be ready to protect your asparagus if we have one of those late frosts.

USDA Zone Info for Zone 7b

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low5°F
Highest Expected Low10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Zone 7b

You may be interested in our other planting guides for Zone 7b.