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

One way of determining when it's the best time to plant sanvitalia is to use the USDA zone info for Charlotte.

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.

Since sanvitalia are one of those plants that can tolerate a tiny bit of cold weather you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant sanvitalia in Charlotte 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 really do well. You can get started a couple of weeks earlier by starting your sanvitalia indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Charlotte is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Charlotte it frosts late in the year after April 15 be ready to cover your sanvitalia in the event of a surprise late frost.

USDA Zone Info for Charlotte

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 Charlotte

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