One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of estimating when you can plant artichokes is to refer to the USDA zone info for West Linn.

Planting Calendar for Artichokes

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

Artichokes do well in moderate cold which tells us that you can plant them earlier than plants that are more sensitive to the cold.

The earliest that you can plant artichokes in West Linn 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 grow to maturity. You can get started a few weeks earlier by starting your artichokes indoors.

Last Frost Date

The average date of last frost is March 15 in West Linn. You should expect an average low temperature of 15°F in the coldest months of winter.

Keep in mind that USDA zone info for West Linn may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in West Linn last frost occurs after March 15 be ready to cover your artichokes if you have a late frost.

USDA Zone Info for West Linn

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 West Linn

You may be interested in your other planting guides for West Linn.