The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Washington it's a good idea to determine when it's possible to plant poppies.

Planting Calendar for Poppies

Frost tolerance for poppies:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since poppies are moderately cold tolerant you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant poppies 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 poppies and expect a good harvest is probably September. You probably don't want to wait any later than that or else your poppies may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your poppies indoors.

Last Frost Date

In Washington the average date of last frost happens on March 15. You should expect an average low temperature of 10°F in the coldest months of winter.

Always keep in mind that USDA zone info for Washington may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Washington it frosts late in the year after March 15 so always be ready to protect your poppies if you have a late frost.

USDA Zone Info for Washington

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 Washington

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