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.

In Snohomish you can estimate when you can plant iceland poppy by looking at 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 moderately cold tolerant you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant iceland poppy in Snohomish 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. 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 few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Snohomish. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for Snohomish is just an average the actual date of last frost is different every year. Half of the time in Snohomish you get a frost after March 15 so just be sure to be ready to protect your iceland poppy in the event of one of those late frosts.

USDA Zone Info for Snohomish

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Snohomish

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