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.

In Olean you can determine when it's possible 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 do ok in very little cold which tells us that you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant sanvitalia in Olean 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 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 April 15 in Olean. It might get as low as -20°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Olean and it will vary from year to year. Half of the time in Olean last frost occurs after April 15 so make sure that you are prepared to protect your sanvitalia in the event of a late frost.

USDA Zone Info for Olean

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Olean

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