The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Chehalis you can estimate when it's possible to plant salvia by reviewing the USDA zone info.

Planting Calendar for Salvia

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

Salvia do ok in some cold which means that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant salvia in Chehalis 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 salvia and expect a good harvest is probably August. If you wait any later than that and your salvia may not have a chance to fully mature. Starting your salvia 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 Chehalis. You should expect an average low temperature of 10°F in the coldest months of winter.

Keep in mind that USDA zone info for Chehalis is just an average and the actual date of last frost will vary from year to year. Half of the time in Chehalis you get surprised by a frost after March 15 so make sure that you are prepared to cover your salvia in the event of a late frost.

USDA Zone Info for Chehalis

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Chehalis

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