The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of figuring out when you can plant stoneseed is to consult the USDA zone info for Columbus.

Planting Calendar for Stoneseed

Frost tolerance for stoneseed:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since stoneseed do not do well in cold weather you must wait until after the last frost has passed before you can plant them.

The earliest that you can plant stoneseed in Columbus is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant stoneseed and expect a good harvest is probably August. You probably don't want to wait any later than that or else your stoneseed may not have a chance to really do well. You can get started a couple of weeks earlier by starting your stoneseed indoors.

Last Frost Date

In Columbus the average date of last frost happens on April 15. It might get as low as -20°F during the coldest months of winter.

Remember that USDA zone info for Columbus is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Columbus it frosts late in the year after April 15 be ready to protect your stoneseed in the event of a surprise late frost.

USDA Zone Info for Columbus

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Columbus

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