One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. 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 Iowa City should be read to determine when you can plant dahlberg daisy.

Planting Calendar for Dahlberg Daisy

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

You really shouldn't plant dahlberg daisy until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant dahlberg daisy in Iowa City 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 dahlberg daisy and expect a good harvest is probably August. You probably don't want to wait any later than that or else your dahlberg daisy may not have a chance to grow to maturity. Starting your dahlberg daisy indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Iowa City the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Iowa City is just an average the actual date of last frost will vary from year to year. Half of the time in Iowa City there is a last frost after April 15 so make sure that you are prepared to protect your dahlberg daisy in the event of one of those late frosts.

USDA Zone Info for Iowa City

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 Iowa City

You may be interested in your other planting guides for Iowa City.