When to Plant Sanvitalia in Spring Valley, IL

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to figure out when it's possible to plant sanvitalia by checking out the USDA zone info for Spring Valley.


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 are barely cold tolerant which tells us that you can get them planted just a bit earlier 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 Spring Valley 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. If you wait any later than that and your sanvitalia may not have a chance to grow to maturity. You can get started a little bit earlier by starting your sanvitalia indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Spring Valley. In the coldest months of winter you should expect an average low temperature of -15°F.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Spring Valley and it is different every year. Half of the time in Spring Valley there is a last frost after April 15 so make sure that you are ready to cover your sanvitalia if you have a surprise late frost.

USDA Zone Info for Spring Valley

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 Valley

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