When can I plant Sutera in Zone 6a

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

In Zone 6a you can figure out when it's the best time to plant sutera by referring to the USDA zone info.


Planting Calendar for Sutera

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

You can plant sutera just a tiny bit earlier in the year because they are barely cold tolerant.

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 Zone 6a 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. You probably don't want to wait any later than that or else your sutera may not have a chance to really do well. If you are starting your sutera indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Zone 6a the average date of last frost happens on April 15. We should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Zone 6a is an average our actual date of last frost can change quite a bit from year to year. Since half of the time in Zone 6a last frost occurs after April 15 be ready to protect your sutera in the event of one of those late frosts.

USDA Zone Info for Zone 6a

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 Zone 6a

You may be interested in our other planting guides for Zone 6a.