One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By reviewing the USDA zone info for Iowa Falls it's possible to estimate when you can plant forget-me-not.

Planting Calendar for Forget-Me-Not

Frost tolerance for forget-me-not:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since forget-me-not are one of those plants that can tolerate a little bit of cold weather you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant forget-me-not in Iowa Falls 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 forget-me-not and expect a good harvest is probably September. If you wait any later than that and your forget-me-not may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your forget-me-not indoors.

Last Frost Date

The average date of last frost is April 15 in Iowa Falls. You can expect an average low temperature of -20°F in the coldest months of winter.

Keep in mind that USDA zone info for Iowa Falls is an average and the actual date of last frost is different every year. Half of the time in Iowa Falls you get surprised by a frost after April 15 so make sure that you are prepared to protect your forget-me-not in the event of a late frost.

USDA Zone Info for Iowa Falls

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Iowa Falls

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