One of the first steps you take when you are estimating 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.

You should be able to figure out when it's a good idea to plant asparagus fern by referring to the USDA zone info for Adel.

Planting Calendar for Asparagus Fern

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

It's probably a bad idea to plant asparagus fern until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant asparagus fern in Adel 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

On average the last frost has passed is on March 15 in Adel. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Adel may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Adel it frosts late in the year after March 15 be ready to cover your asparagus fern if you have one of those late frosts.

USDA Zone Info for Adel

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Adel

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