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.

You can estimate when it's possible to plant santolina in Colusa by checking out the USDA zone info.

Planting Calendar for Santolina

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

You can plant santolina earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

The earliest that you can plant santolina in Colusa is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant santolina and expect a good harvest is probably October. Any later than that and your santolina may not have a chance to grow to maturity. Starting your santolina indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Colusa. You should expect an average low temperature of 25°F in the coldest months of winter.

It's important to remember that USDA zone info for Colusa may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Colusa you get a frost after February 15 so just be sure to be ready to cover your santolina if you have one of those late frosts.

USDA Zone Info for Colusa

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in Colusa

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