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

In Duvall you can figure out when it's a good idea to plant artichokes by using the USDA zone info.

Planting Calendar for Artichokes

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

Since artichokes do well in moderate cold you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant artichokes in Duvall 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 artichokes and expect a good harvest is probably September. If you wait any later than that and your artichokes may not have a chance to really do well. Starting your artichokes indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is March 15 in Duvall. It might get as low as 15°F during the coldest months of winter.

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Duvall and it changes from year to year. Half of the time in Duvall you get a frost after March 15 so be sure to be ready to cover your artichokes if you have a surprise late frost.

USDA Zone Info for Duvall

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 Duvall

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