When to Plant Iceland Poppy in Washington, IL

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.

It's a good idea to estimate when it's possible to plant iceland poppy by referring to the USDA zone info for Washington.


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 can survive in some cold which means that you can plant them just a bit earlier in the year than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant iceland poppy
Possibly ok, but a risky time to plant iceland poppy
Probably not a good time to plant iceland poppy

The earliest that you can plant iceland poppy in Washington 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. You probably don't want to wait any later than that or else your iceland poppy may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your iceland poppy indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Washington. You should expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Washington is just an average and the actual date of last frost is different every year. Half of the time in Washington you get surprised by a frost after April 15 so always be ready to cover your iceland poppy if you have one of those late frosts.

USDA Zone Info for Washington

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Washington

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