The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant sanvitalia in Rossford can be figured out 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 plants that might not handle the cold.

The earliest that you can plant sanvitalia in Rossford 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. Any later than that and your sanvitalia may not have a chance to grow to maturity. If you are starting your sanvitalia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Rossford. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Rossford may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Rossford there is a last frost after April 15 be ready to cover your sanvitalia if you have a late frost.

USDA Zone Info for Rossford

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Rossford

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