When to Plant Santolina in Spring Grove, IL

One of the first steps you take when you are determining your gardening schedule is find your 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.

In Spring Grove you can figure out when it's the best time to plant santolina by using 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 are very cold tolerant you can plant them a lot earlier in the year than more sensitive 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 Spring Grove 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. Any later than that and your santolina may not have a chance to really do well. You can get started a couple of weeks earlier by starting your santolina indoors.

Last Frost Date

The average date of last frost is April 15 in Spring Grove. It might get as low as -15°F during the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Spring Grove and it changes from year to year. Half of the time in Spring Grove you get surprised by a frost after April 15 so be sure to be ready to protect your santolina in the event of one of those late frosts.

USDA Zone Info for Spring Grove

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Spring Grove

You may be interested in your other planting guides for Spring Grove.