The USDA Zone info is a great tool for gardeners to help us figure out 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 chance to plant sanvitalia in Exeter can be estimated by checking out 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 can survive in very little cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant sanvitalia in Exeter is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant sanvitalia and expect a good harvest is probably September. Any later than that and your sanvitalia may not have a chance to fully mature. Starting your sanvitalia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Exeter. It might get as low as 25°F during the coldest months of winter.

It's important to remember that USDA zone info for Exeter is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Exeter last frost occurs after February 15 so make sure that you are prepared to protect your sanvitalia in the event of a late frost.

USDA Zone Info for Exeter

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Exeter

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