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 earliest that you can plant iceland poppy in Willmar can be figured out by referring to the USDA zone info.

Planting Calendar for Iceland Poppy

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

You can plant iceland poppy a little bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant iceland poppy in Willmar is March. However, you really should wait until April 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 August. 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 couple of weeks earlier by starting your iceland poppy indoors.

Last Frost Date

On average all chance of frost has passed is on May 15 in Willmar. In the coldest months of winter you should expect an average low temperature of -25°F.

It's important to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Willmar and it will vary from year to year. Half of the time in Willmar you get a frost after May 15 so be sure to be ready to cover your iceland poppy in the event of a surprise late frost.

USDA Zone Info for Willmar

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Willmar

You may be interested in your other planting guides for Willmar.