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.

By looking at the USDA zone info for West Salem you will be able to determine when it's possible to plant arabis.

Planting Calendar for Arabis

Frost tolerance for arabis:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since arabis do well in cold you can plant them quite a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant arabis in West Salem 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 arabis and expect a good harvest is probably August. If you wait any later than that and your arabis may not have a chance to grow to maturity. Starting your arabis indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on May 15 in West Salem. It might get as low as -25°F during the coldest months of winter.

It's important to remember that USDA zone info for West Salem may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in West Salem you get surprised by a frost after May 15 be ready to protect your arabis if you have a late frost.

USDA Zone Info for West Salem

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in West Salem

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