When to Plant Asparagus Fern in Jerome, ID

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.

In Jerome you can determine when it's a good idea to plant asparagus fern by checking out the USDA zone info.


Planting Calendar for Asparagus Fern

Frost tolerance for asparagus fern: Not tolerant of frost.
When to plant: After the last frost.

You can not plant asparagus fern until after the last frost has passed because they do not do well in cold weather.

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 Jerome 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 fern and expect a good harvest is probably August. Any later than that and your asparagus fern may not have a chance to really do well. 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

The average date of last frost is April 15 in Jerome. In the coldest months of winter you should expect an average low temperature of -5°F.

Just be sure to remember that USDA zone info for Jerome is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Jerome you get surprised by a frost after April 15 be ready to protect your asparagus fern in the event of one of those late frosts.

USDA Zone Info for Jerome

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°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 0°F.

Plants to Grow in Jerome

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