Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when to plant iceland poppy in Dubuque by reviewing 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.

Since iceland poppy 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 more sensitive plants.

The earliest that you can plant iceland poppy in Dubuque 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

On average the last frost is on April 15 in Dubuque. You can expect an average low temperature of -20°F in the coldest months of winter.

Keep in mind that USDA zone info for Dubuque may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Dubuque there is a last frost after April 15 be ready to protect your iceland poppy if you have a late frost.

USDA Zone Info for Dubuque

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 Dubuque

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