The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Council Bluffs should be used to determine when to plant calibrachoa.

Planting Calendar for Calibrachoa

Frost tolerance for calibrachoa:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Calibrachoa tend to make it in very little cold which means that you can plant them just a tiny bit earlier in the year than other frost tender plants.

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

The last month that you can plant calibrachoa and expect a good harvest is probably August. You probably don't want to wait any later than that or else your calibrachoa may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your calibrachoa indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Council Bluffs. In the coldest months of winter you should expect an average low temperature of -15°F.

Keep in mind that USDA zone info for Council Bluffs is not always accurate and the actual date of last frost is different every year. Half of the time in Council Bluffs there is a last frost after April 15 so be sure to be ready to protect your calibrachoa 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.