The USDA Zone info is a great tool for gardeners to help us estimate 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 using the USDA zone info for Lawrence you should be able to determine when it's possible to plant canna.

Planting Calendar for Canna

Frost tolerance for canna:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since canna require warm weather it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant canna in Lawrence 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 really do well. You can get started a couple of weeks earlier by starting your canna indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Lawrence. It might get as low as -5°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Lawrence 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 Lawrence there is a last frost after April 15 so always be ready to cover your canna if you have a late frost.

USDA Zone Info for Lawrence

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 Lawrence

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