One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Columbus can be read to estimate when it's possible to plant galium.

Planting Calendar for Galium

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

Since galium are one of those plants that can tolerate a little bit of cold weather you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant galium 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 galium and expect a good harvest is probably September. If you wait any later than that and your galium may not have a chance to grow to maturity. Starting your galium indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Columbus. It might get as low as -10°F during the coldest months of winter.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Columbus and it is different every year. Since half of the time in Columbus last frost occurs after April 15 be ready to cover your galium in the event of a late frost.

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.