The USDA Zone info is a great tool for gardeners to help us determine 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.

A way of figuring out when it's the best time to plant iceland poppy is to consult the USDA zone info for Cedar Falls.

Planting Calendar for Iceland Poppy

Frost tolerance for iceland poppy:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Iceland Poppy do well in moderate cold which tells us that you can plant them earlier than other plants that might not handle the cold.

The earliest that you can plant iceland poppy in Cedar 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 iceland poppy and expect a good harvest is probably September. If you wait any later than that and your iceland poppy may not have a chance to really do well. You can get started a little bit earlier by starting your iceland poppy indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Cedar Falls is just an average and the actual date of last frost will vary from year to year. Since half of the time in Cedar Falls last frost occurs after April 15 be ready to protect your iceland poppy in the event of one of those late frosts.

USDA Zone Info for Cedar 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 Cedar Falls

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