Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Woodburn can be used to determine when you can plant asparagus fern.

Planting Calendar for Asparagus Fern

Frost tolerance for asparagus fern:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since asparagus fern are not cold tolerant you have to wait until after the last frost when the weather gets warmer before you can plant them.

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

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. Half of the time in Woodburn there is a last frost after March 15 so always be ready to cover your asparagus fern if you have 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 Low	15°F
Highest Expected Low	20°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.