When can I plant Columbine in Zone 7a

Before planting it is a good idea to find our USDA Zone info to determine our garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

You can figure out when it's possible to plant columbine in Zone 7a by looking at the USDA zone info.


Planting Calendar for Columbine

Frost tolerance for columbine: Tolerant of some frost.
When you should plant them: Up to 5 weeks before last frost.

You can plant columbine a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

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

The earliest that you can plant columbine in Zone 7a is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant columbine and expect a good harvest is probably September. If you wait any later than that and your columbine may not have a chance to fully mature. Starting your columbine indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Zone 7a. In the coldest months of winter we should expect an average low temperature of 0°F.

It's important to remember that our actual date of last frost is just an average because it is based on the USDA zone info for Zone 7a and it can change quite a bit from year to year. Since half of the time in Zone 7a it frosts late in the year after April 15 be ready to protect your columbine in the event of a surprise late frost.

USDA Zone Info for Zone 7a

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low0°F
Highest Expected Low5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Zone 7a

You may be interested in our other planting guides for Zone 7a.