When to Plant Bittercress in Woodburn, OR

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 determine when it's a good idea to plant bittercress by checking out the USDA zone info for Woodburn.


Planting Calendar for Bittercress

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

Bittercress tend to make it in mild cold which tells us that you can plant them slightly earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant bittercress in Woodburn 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 bittercress and expect a good harvest is probably August. Any later than that and your bittercress may not have a chance to really do well. You can get started a few weeks earlier by starting your bittercress indoors.

Last Frost Date

The average date of last frost is March 15 in Woodburn. In the coldest months of winter you should expect an average low temperature of 15°F.

Always keep in mind that USDA zone info for Woodburn may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Woodburn it frosts late in the year after March 15 be ready to protect your bittercress in the event of a surprise late frost.

USDA Zone Info for Woodburn

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 Woodburn

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