Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of estimating when it's possible to plant canna is to check out the USDA zone info for Dunbar.

Planting Calendar for Canna

Frost tolerance for canna:	Not tolerant of frost.
When to plant:	After the last frost.

You can not plant canna until after the last frost has passed because they require warm weather.

The earliest that you can plant canna in Dunbar 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 canna and expect a good harvest is probably August. If you wait any later than that and your canna may not have a chance to fully mature. You can get started a little bit earlier by starting your canna indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Dunbar may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Dunbar it frosts late in the year after April 15 so make sure that you are prepared to cover your canna if you have a late frost.

USDA Zone Info for Dunbar

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Dunbar

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