When can I plant Scarlet Pimpernels in Zone 3b

Before planting it is a good idea to find our USDA Zone info to determine 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.

The USDA zone info for Zone 3b can be reffered to in order to determine when to plant scarlet pimpernels.


Planting Calendar for Scarlet Pimpernels

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

Scarlet Pimpernels can survive in very little cold which tells us that you can plant them just a tiny bit earlier in the year than more sensitive plants.

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

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

The last month that you can plant scarlet pimpernels and expect a good harvest is probably August. You probably don't want to wait any later than that or else your scarlet pimpernels may not have a chance to really do well. If you are starting your scarlet pimpernels indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Zone 3b. It might get as low as -35°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Zone 3b is an average and our actual date of last frost can change quite a bit from year to year. Half of the time in Zone 3b it frosts late in the year after May 15 so make sure that you are prepared to cover your scarlet pimpernels if we have a surprise 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.