One of the best tools that you have as gardeners to help us estimate 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.

The USDA zone info for Kennewick should be read to estimate when to plant santolina.

Planting Calendar for Santolina

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

Since santolina do well in cold you can plant them quite a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant santolina in Kennewick 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 santolina and expect a good harvest is probably September. If you wait any later than that and your santolina may not have a chance to really do well. You can get started a couple of weeks earlier by starting your santolina indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Kennewick. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Kennewick may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Kennewick you get surprised by a frost after April 15 be ready to protect your santolina in the event of one of those late frosts.

USDA Zone Info for Kennewick

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Kennewick

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