Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of making a decision about when it's possible to plant asparagus fern is to refer to the USDA zone info for Amherst.

Planting Calendar for Asparagus Fern

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

Asparagus Fern do not do well in cold weather which tells us that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant asparagus fern in Amherst 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 grow to maturity. 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 all chance of frost has passed is on April 15 in Amherst. You should expect an average low temperature of -10°F in the coldest months of winter.

It's important to remember that USDA zone info for Amherst is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Amherst you get surprised by a frost after April 15 be ready to protect your asparagus fern in the event of a surprise late frost.

USDA Zone Info for Amherst

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

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

Plants to Grow in Amherst

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