When to Plant Snow-in Summer in Columbia, PA

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

One way of getting a good idea when to plant snow-in summer is to examine the USDA zone info for Columbia.


Planting Calendar for Snow-in Summer

Frost tolerance for snow-in summer: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

You can plant snow-in summer a little bit earlier in the year because they are moderately cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant snow-in summer
Possibly ok, but a risky time to plant snow-in summer
Probably not a good time to plant snow-in summer

The earliest that you can plant snow-in summer in Columbia 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 snow-in summer and expect a good harvest is probably September. Any later than that and your snow-in summer may not have a chance to really do well. If you are starting your snow-in summer indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Columbia the average date of last frost happens on April 15. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Columbia is an average the actual date of last frost will vary from year to year. Half of the time in Columbia there is a last frost after April 15 so make sure that you are ready to protect your snow-in summer if you have a surprise late frost.

USDA Zone Info for Columbia

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

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

Plants to Grow in Columbia

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