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.

It's possible to estimate when it's the best time to plant evolvulus by reviewing the USDA zone info for Council Bluffs.

Planting Calendar for Evolvulus

Frost tolerance for evolvulus:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since evolvulus require warm weather you have to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant evolvulus 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 evolvulus and expect a good harvest is probably August. Any later than that and your evolvulus may not have a chance to really do well. Starting your evolvulus indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Council Bluffs may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Council Bluffs you get surprised by a frost after April 15 be ready to cover your evolvulus in the event of 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.