When to Plant Poppies in Beaverton, OR

One of the first steps you take when you are making a decision about your gardening schedule is find your 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 possible to estimate when it's possible to plant poppies by using the USDA zone info for Beaverton.


Planting Calendar for Poppies

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

Poppies do well in moderate cold which means that you can start planting them earlier than other frost tender plants.

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

The earliest that you can plant poppies in Beaverton 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. If you wait any later than that and your poppies may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your poppies indoors.

Last Frost Date

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

Since the USDA zone info for Beaverton may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Beaverton it frosts late in the year after March 15 be ready to cover your poppies in the event of one of those late frosts.

USDA Zone Info for Beaverton

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 Low15°F
Highest Expected Low20°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 Beaverton

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