When to Plant California Poppy in Scappoose, OR

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to figure out when it's possible to plant california poppy by checking out the USDA zone info for Scappoose.


Planting Calendar for California Poppy

Frost tolerance for california poppy: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

California Poppy can survive in very little cold which means that you can plant them slightly earlier in the year than plants that are more sensitive to the cold.

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

The earliest that you can plant california poppy in Scappoose is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant california poppy and expect a good harvest is probably August. You probably don't want to wait any later than that or else your california poppy may not have a chance to fully mature. You can get started a few weeks earlier by starting your california poppy indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Scappoose. You should expect an average low temperature of 15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Scappoose is not always accurate and the actual date of last frost is different every year. Half of the time in Scappoose you get a frost after March 15 so always be ready to cover your california poppy in the event of one of those late frosts.

USDA Zone Info for Scappoose

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 Scappoose

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