When to Plant Sutera in Alma, MI

Before planting it is a good idea to find your USDA Zone info to estimate 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.

It's possible to estimate when to plant sutera by looking at the USDA zone info for Alma.


Planting Calendar for Sutera

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

Since sutera are barely cold tolerant you can plant them slightly earlier in the year than more sensitive plants.

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

The earliest that you can plant sutera in Alma 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 sutera and expect a good harvest is probably August. Any later than that and your sutera may not have a chance to fully mature. You can get started a few weeks earlier by starting your sutera indoors.

Last Frost Date

The average date of last frost is April 15 in Alma. It might get as low as -10°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Alma and it will vary from year to year. Half of the time in Alma you get a frost after April 15 so just be sure to be ready to cover your sutera in the event of a surprise late frost.

USDA Zone Info for Alma

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Alma

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