The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Council Bluffs you can estimate when you can plant asparagus by referring to the USDA zone info.

Planting Calendar for Asparagus

Frost tolerance for asparagus:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Asparagus do well in cold which means that you can plant them much earlier than other frost tender plants.

The earliest that you can plant asparagus in Council Bluffs is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant asparagus and expect a good harvest is probably September. You probably don't want to wait any later than that or else your asparagus may not have a chance to fully mature. Starting your asparagus 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 Council Bluffs. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Council Bluffs is just an average the actual date of last frost will vary from year to year. Since half of the time in Council Bluffs last frost occurs after April 15 be ready to cover your asparagus if you have one of those late frosts.

USDA Zone Info for Council Bluffs

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 Council Bluffs

You may be interested in your other planting guides for Council Bluffs.