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When to Plant Santolina in Green River, WY

One of the best tools that you have as gardeners to help us determine 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 Green River should be reviewed to figure out when it's the best time 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 are one of those plants that can tolerate quite a bit of cold weather you can plant them much earlier in the year than other plants that might not handle the cold.

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 Green River 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. You probably don't want to wait any later than that or else 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

In Green River the average date of last frost happens on May 15. In the coldest months of winter you should expect an average low temperature of -25°F.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Green River and it changes from year to year. Half of the time in Green River you get surprised by a frost after May 15 so be sure to be ready to protect your santolina in the event of a late frost.

USDA Zone Info for Green River

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 Green River

You may be interested in your other planting guides for Green River.