When to Plant Asparagus Fern in Zone 1b

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Zone 1b can be reviewed to estimate when it's a good idea to plant asparagus fern.


Planting Calendar for Asparagus Fern

Frost tolerance for asparagus fern: Not tolerant of frost.
When to plant: After all chance of frost has passed.

Since asparagus fern 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 fern
Possibly ok, but a risky time to plant asparagus fern
Probably not a good time to plant asparagus fern

The earliest that you can plant asparagus fern in Zone 1b is June. However, you really should wait until July if you don't want to take any chances.

The last month that you can plant asparagus fern and expect a good harvest is probably July. If you wait any later than that and your asparagus fern may not have a chance to fully mature. If you are starting your asparagus fern indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost has passed is on June 15 in Zone 1b. You can expect an average low temperature of -55°F in the coldest months of winter.

Keep in mind that USDA zone info for Zone 1b is an average and the actual date of last frost changes from year to year. Half of the time in Zone 1b you get a frost after June 15 so make sure that you are ready to protect your asparagus fern in the event of one of those late frosts.

USDA Zone Info for Zone 1b

Here is the info for USDA Zone 1b.

Average Date of Last Frost (spring)June 15
Average Date of First Frost (fall)July 15
Lowest Expected Low-55°F
Highest Expected Low-50°F

This means that on a really cold year, the coldest it will get is -55°F. On most years you should be prepared to experience lows near -50°F.

Plants to Grow in Zone 1b

You may be interested in your other planting guides for Zone 1b.