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

It's possible to estimate when it's possible to plant santolina by looking at the USDA zone info for Sioux City.

Planting Calendar for Santolina

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

Santolina do well in a bit of cold which means that you can plant them earlier in the year than other frost tender plants.

The earliest that you can plant santolina in Sioux City 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 grow to maturity. You can get started a little bit earlier by starting your santolina indoors.

Last Frost Date

The average date of last frost is April 15 in Sioux City. In the coldest months of winter you should expect an average low temperature of -20°F.

Keep in mind that USDA zone info for Sioux City is just an average and the actual date of last frost changes from year to year. Half of the time in Sioux City last frost occurs after April 15 so just be sure to be ready to protect your santolina if you have a late frost.

USDA Zone Info for Sioux City

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Sioux City

You may be interested in your other planting guides for Sioux City.