One of the first steps you take when you are estimating 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 best time to plant canna in Guthrie should be determined by referring to the USDA zone info.

Planting Calendar for Canna

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

Since canna require warm weather you need to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant canna in Guthrie 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. If you are starting your canna indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Guthrie. It might get as low as 0°F during the coldest months of winter.

Keep in mind that USDA zone info for Guthrie may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Guthrie it frosts late in the year after April 15 so just be sure to be ready to cover your canna if you have a late frost.

USDA Zone Info for Guthrie

Here is the info for USDA Zone 7a.

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

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Guthrie

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