When to Plant Columbine in Shenandoah, PA

One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of determining when to plant columbine is to examine the USDA zone info for Shenandoah.


Planting Calendar for Columbine

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

You can plant columbine a little earlier in the year because they do well in moderate cold.

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 Shenandoah 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. Any later than that and your columbine may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your columbine indoors.

Last Frost Date

The average date of last frost is April 15 in Shenandoah. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Shenandoah is just an average the actual date of last frost is different every year. Since half of the time in Shenandoah last frost occurs after April 15 be ready to cover your columbine if you have a late frost.

USDA Zone Info for Shenandoah

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 Shenandoah

You may be interested in your other planting guides for Shenandoah.