The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By looking at the USDA zone info for Columbus you will be able to determine when it's a good idea to plant dill.

Planting Calendar for Dill

Frost tolerance for dill:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

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

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

The last month that you can plant dill and expect a good harvest is probably August. You probably don't want to wait any later than that or else your dill may not have a chance to fully mature. Starting your dill indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Columbus. In the coldest months of winter you should expect an average low temperature of 10°F.

Just be sure to remember that USDA zone info for Columbus is an average and the actual date of last frost will vary from year to year. Half of the time in Columbus you get a frost after March 15 so just be sure to be ready to cover your dill in the event of a surprise late frost.

USDA Zone Info for Columbus

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Columbus

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