When to Plant Brunfelsia in Zone 1a

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.

The first opportunity to plant brunfelsia in Zone 1a should be figured out by using the USDA zone info.


Planting Calendar for Brunfelsia

Frost tolerance for brunfelsia: Not tolerant of frost.
When to plant: After the last frost.

Since brunfelsia do not do well in cold weather you really should 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 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 brunfelsia and expect a good harvest is probably July. Any later than that and your brunfelsia may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your brunfelsia indoors.

Last Frost Date

In Zone 1a the average date of last frost happens on June 15. You should expect an average low temperature of -60°F in the coldest months of winter.

It's important to remember that USDA zone info for Zone 1a is just an average and the actual date of last frost will vary from year to year. Since half of the time in Zone 1a it frosts late in the year after June 15 be ready to protect your brunfelsia in the event of a surprise 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 your other planting guides for Zone 1a.