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

You can figure out when to plant daylily in Columbus by checking out the USDA zone info.

Planting Calendar for Daylily

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

Since daylily are moderately cold tolerant you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant daylily 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 daylily and expect a good harvest is probably September. Any later than that and your daylily may not have a chance to grow to maturity. If you are starting your daylily indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Columbus. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Columbus is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Columbus you get surprised by a frost after April 15 be ready to cover your daylily if you have one of those late frosts.

USDA Zone Info for Columbus

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 Columbus

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