Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant iceland poppy in Zone 1a can be estimated by checking out 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.

Iceland Poppy do ok in a little bit of cold which means that you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant iceland poppy in Zone 1a is May. However, you really should wait until June 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 July. If you wait any later than that and your iceland poppy may not have a chance to really do well. If you are starting your iceland poppy indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is June 15 in Zone 1a. You should expect an average low temperature of -60°F in the coldest months of winter.

Always keep in mind that USDA zone info for Zone 1a is an average and the actual date of last frost is different every year. Since half of the time in Zone 1a it frosts late in the year after June 15 be ready to cover your iceland poppy in the event of a late frost.

USDA Zone Info for Zone 1a

Here is the info for USDA Zone 1a.

Average Date of Last Frost (spring)	June 15
Average Date of First Frost (fall)	July 15
Lowest Expected Low	-60°F
Highest Expected Low	-55°F

This means that on a really cold year, the coldest it will get is -60°F. On most years you should be prepared to experience lows near -55°F.

Plants to Grow in Zone 1a

You may be interested in your other planting guides for Zone 1a.