One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. 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 it's the best time to plant iceland poppy in Zone 3a 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.

You can plant iceland poppy a little 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 Zone 3a 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. Any later than that and your iceland poppy may not have a chance to really do well. Starting your iceland poppy indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Zone 3a. In the coldest months of winter you should expect an average low temperature of -40°F.

Since the USDA zone info for Zone 3a is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Zone 3a you get surprised by a frost after May 15 be ready to cover your iceland poppy in the event of a surprise late frost.

USDA Zone Info for Zone 3a

Here is the info for USDA Zone 3a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-40°F
Highest Expected Low	-35°F

This means that on a really cold year, the coldest it will get is -40°F. On most years you should be prepared to experience lows near -35°F.

Plants to Grow in Zone 3a

You may be interested in your other planting guides for Zone 3a.