The USDA Zone info is a great tool for gardeners to help us figure out 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 it's a good idea to plant zucchini by reviewing the USDA zone info.

Planting Calendar for Zucchini

Frost tolerance for zucchini:	Not tolerant of frost.
When to plant:	After the last frost has passed.

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

The earliest that you can plant zucchini in Council Bluffs 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 zucchini and expect a good harvest is probably August. If you wait any later than that and your zucchini may not have a chance to grow to maturity. Starting your zucchini indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Council Bluffs is not always accurate the actual date of last frost changes from year to year. Since half of the time in Council Bluffs it frosts late in the year after April 15 be ready to protect your zucchini in the event of a surprise late frost.

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.