When to Plant Sanvitalia in River Grove, IL

Before planting it is a good idea to find your USDA Zone info to estimate 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 figure out when it's possible to plant sanvitalia in River Grove by reviewing the USDA zone info.


Planting Calendar for Sanvitalia

Frost tolerance for sanvitalia: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Sanvitalia tend to make it in very little cold which means that you can plant them slightly earlier in the year than more sensitive plants.

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

The earliest that you can plant sanvitalia in River Grove 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 sanvitalia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your sanvitalia may not have a chance to fully mature. Starting your sanvitalia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for River Grove is just an average the actual date of last frost changes from year to year. Half of the time in River Grove you get a frost after April 15 so just be sure to be ready to protect your sanvitalia if you have one of those late frosts.

USDA Zone Info for River 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 River Grove

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