When to Plant Cardinal Flower in Woodland, WA

Before planting it is a good idea to find your USDA Zone info to determine 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.

It's a good idea to estimate when you can plant cardinal flower by looking at the USDA zone info for Woodland.


Planting Calendar for Cardinal Flower

Frost tolerance for cardinal flower: Not tolerant of frost.
When to plant: After all chance of frost has passed.

Since cardinal flower require warm weather it is necessary to wait until after the last frost has passed before you can plant them.

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

The earliest that you can plant cardinal flower in Woodland is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant cardinal flower and expect a good harvest is probably August. You probably don't want to wait any later than that or else your cardinal flower may not have a chance to really do well. If you are starting your cardinal flower indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Woodland 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 Woodland you get surprised by a frost after March 15 be ready to cover your cardinal flower in the event of a surprise late frost.

USDA Zone Info for Woodland

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 Woodland

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