One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Carlinville you can figure out when it's the best time to plant sanvitalia by using 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 are one of those plants that can tolerate a tiny bit of cold weather which tells us that you can plant them slightly earlier than other frost tender plants.

The earliest that you can plant sanvitalia in Carlinville 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 grow to maturity. You can get started a few weeks earlier by starting your sanvitalia indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Carlinville. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Carlinville is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Carlinville there is a last frost after April 15 be ready to protect your sanvitalia if you have one of those late frosts.

USDA Zone Info for Carlinville

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Carlinville

You may be interested in your other planting guides for Carlinville.