One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of making a decision about when to plant iceland poppy is to use the USDA zone info for The Dalles.

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 moderately cold tolerant.

The earliest that you can plant iceland poppy in The Dalles 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 fully mature. You can get started a couple of weeks earlier by starting your iceland poppy indoors.

Last Frost Date

On average the last frost is on March 15 in The Dalles. It might get as low as 10°F during the coldest months of winter.

Just be sure to remember that USDA zone info for The Dalles is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in The Dalles last frost occurs after March 15 so be sure to be ready to protect your iceland poppy in the event of one of those late frosts.

USDA Zone Info for The Dalles

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

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

Plants to Grow in The Dalles

You may be interested in your other planting guides for The Dalles.