When to Plant Santolina in Lewistown, MT

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when it's the best time to plant santolina in Lewistown 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.

Since santolina do well in cold you can plant them much earlier in the year than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant santolina
Possibly ok, but a risky time to plant santolina
Probably not a good time to plant santolina

The earliest that you can plant santolina in Lewistown 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. Starting your santolina indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on May 15 in Lewistown. You can expect an average low temperature of -30°F in the coldest months of winter.

Remember that USDA zone info for Lewistown is not always accurate and the actual date of last frost changes from year to year. Half of the time in Lewistown last frost occurs after May 15 so make sure that you are ready to cover your santolina if you have a surprise late frost.

USDA Zone Info for Lewistown

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-30°F
Highest Expected Low-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Lewistown

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