When can I plant Sanvitalia in Zone 1a

One of the best tools that we have as gardeners to help us estimate our gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

The first chance to plant sanvitalia in Zone 1a can be figured out by checking out the USDA zone info.


Planting Calendar for Sanvitalia

Frost tolerance for sanvitalia: Tolerant of a very small amount of frost.
When you should plant them: Up to 3 weeks before last frost.

Sanvitalia are barely cold tolerant which means that you can get them planted just a bit earlier than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant sanvitalia
Possibly ok, but a risky time to plant sanvitalia
Probably not a good time to plant sanvitalia

The earliest that you can plant sanvitalia in Zone 1a is June. However, you really should wait until July if you don't want to take any chances.

The last month that you can plant sanvitalia and expect a good harvest is probably July. If you wait any later than that and your sanvitalia may not have a chance to really do well. You can get started a few weeks earlier by starting your sanvitalia indoors.

Last Frost Date

The average date of last frost is June 15 in Zone 1a. We should expect an average low temperature of -60°F in the coldest months of winter.

Always keep in mind that USDA zone info for Zone 1a is not always accurate and our actual date of last frost is different every year. Since half of the time in Zone 1a we get surprised by a frost after June 15 be ready to protect your sanvitalia in the event of a late frost.

USDA Zone Info for Zone 1a

Here is the info for USDA Zone 1a.

Average Date of Last Frost (spring)June 15
Average Date of First Frost (fall)July 15
Lowest Expected Low-60°F
Highest Expected Low-55°F

This means that on a really cold year, the coldest it will get is -60°F. On most years you should be prepared to experience lows near -55°F.

Plants to Grow in Zone 1a

You may be interested in our other planting guides for Zone 1a.