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

You will be able to estimate when to plant columbine by checking out the USDA zone info for Garden City.

Planting Calendar for Columbine

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

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

The earliest that you can plant columbine in Garden City 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 columbine and expect a good harvest is probably September. Any later than that and your columbine may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your columbine indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Garden City. You can expect an average low temperature of 5°F in the coldest months of winter.

Remember that USDA zone info for Garden City is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Garden City you get surprised by a frost after April 15 so make sure that you are prepared to cover your columbine in the event of a late frost.

USDA Zone Info for Garden City

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Garden City

You may be interested in your other planting guides for Garden City.