When to Plant Sanvitalia in Negaunee, MI

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By reviewing the USDA zone info for Negaunee it's possible to determine when it's the best time to plant sanvitalia.


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 are one of those plants that can tolerate a tiny bit of cold weather you can plant them slightly earlier in the year than plants that are more sensitive to the cold.

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 Negaunee 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. 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 Negaunee. In the coldest months of winter you should expect an average low temperature of -20°F.

Always keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Negaunee and it changes from year to year. Since half of the time in Negaunee there is a last frost after April 15 be ready to cover your sanvitalia in the event of one of those late frosts.

USDA Zone Info for Negaunee

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 Negaunee

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