Before planting it is a good idea to find your USDA Zone info to figure out 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.

A way of determining when you can plant lenten rose is to examine the USDA zone info for Columbus.

Planting Calendar for Lenten Rose

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

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

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

Last Frost Date

In Columbus the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Columbus is not always accurate the actual date of last frost is different every year. Half of the time in Columbus there is a last frost after April 15 so always be ready to cover your lenten rose in the event of one of those late frosts.

USDA Zone Info for Columbus

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Columbus

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