When can I plant Brunfelsia in Zone 3b

One of the first steps we take when we are estimating our gardening schedule is find our 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 brunfelsia in Zone 3b should be determined by looking at the USDA zone info.


Planting Calendar for Brunfelsia

Frost tolerance for brunfelsia: Not tolerant of frost.
When you should plant them: After the last frost.

Since brunfelsia are not cold tolerant it's important to wait until after the last frost before you can plant them.

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

The earliest that you can plant brunfelsia in Zone 3b is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant brunfelsia and expect a good harvest is probably August. Any later than that and your brunfelsia may not have a chance to really do well. Starting your brunfelsia indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Zone 3b the average date of last frost happens on May 15. It might get as low as -35°F during the coldest months of winter.

Keep in mind that our actual date of last frost is an average because it is based on the USDA zone info for Zone 3b and it can change quite a bit from year to year. Since half of the time in Zone 3b we get surprised by a frost after May 15 be ready to cover your brunfelsia if we have a late frost.

USDA Zone Info for Zone 3b

Here is the info for USDA Zone 3b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-35°F
Highest Expected Low-30°F

This means that on a really cold year, the coldest it will get is -35°F. On most years you should be prepared to experience lows near -30°F.

Plants to Grow in Zone 3b

You may be interested in our other planting guides for Zone 3b.