Before planting it is a good idea to find your USDA Zone info to determine 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.

In Bozeman you can estimate when it's a good idea to plant santolina by reviewing 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.

Since santolina do well in cold you can plant them much earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant santolina in Bozeman 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 santolina and expect a good harvest is probably August. If you wait any later than that and your santolina may not have a chance to fully mature. You can get started a few weeks earlier by starting your santolina indoors.

Last Frost Date

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

Since the USDA zone info for Bozeman is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Bozeman there is a last frost after May 15 so always be ready to protect your santolina if you have a surprise late frost.

USDA Zone Info for Bozeman

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 Bozeman

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