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.

The first chance to plant columbine in Sanibel can be determined by reviewing the USDA zone info.

Planting Calendar for Columbine

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

Columbine tend to make it in a little bit of cold which tells us that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant columbine in Sanibel is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant columbine and expect a good harvest is probably October. If you wait any later than that and your columbine may not have a chance to really do well. You can get started a couple of weeks earlier by starting your columbine indoors.

Last Frost Date

The average date of last frost is January 31 in Sanibel. In the coldest months of winter you can expect an average low temperature of 30°F.

Always keep in mind that USDA zone info for Sanibel is an average and the actual date of last frost will vary from year to year. Half of the time in Sanibel you get surprised by a frost after January 31 so just be sure to be ready to protect your columbine if you have a late frost.

USDA Zone Info for Sanibel

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Sanibel

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