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

In Andover you can figure out when it's a good idea to plant sanvitalia by referring to 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.

Since sanvitalia do ok in moderate cold you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant sanvitalia in Andover 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 fully mature. You can get started a little bit earlier by starting your sanvitalia indoors.

Last Frost Date

The average date of last frost is April 15 in Andover. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Andover is just an average the actual date of last frost is different every year. Half of the time in Andover you get surprised by a frost after April 15 so always be ready to cover your sanvitalia if you have one of those late frosts.

USDA Zone Info for Andover

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 Andover

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