One of the first steps you take when you are making a decision about your gardening schedule is find your 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 estimate when it's the best time to plant baby blue eyes.

Planting Calendar for Baby Blue Eyes

Frost tolerance for baby blue eyes:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant baby blue eyes a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant baby blue eyes in Iowa City 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 baby blue eyes and expect a good harvest is probably September. You probably don't want to wait any later than that or else your baby blue eyes may not have a chance to grow to maturity. You can get started a little bit earlier by starting your baby blue eyes indoors.

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.

Remember that USDA zone info for Iowa City is an average and the actual date of last frost is different every year. Since half of the time in Iowa City you get surprised by a frost after April 15 be ready to cover your baby blue eyes 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.