When to Plant Asparagus Fern in Manchester, NH

One of the first steps you take when you are making a decision about 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 Manchester you can figure out when to plant asparagus fern by referring to 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 has passed.

Since asparagus fern are not cold tolerant it's important to wait until after all chance of frost has passed 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 Manchester 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 fully mature. Starting your asparagus fern indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Manchester. It might get as low as -15°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Manchester may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Manchester last frost occurs after April 15 so be sure to be ready to cover your asparagus fern if you have a surprise late frost.

USDA Zone Info for Manchester

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 Manchester

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