Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when you can plant canna in Salem by looking at the USDA zone info.

Planting Calendar for Canna

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

You should not plant canna until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant canna in Salem 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. Any later than that and your canna may not have a chance to really do well. Starting your canna indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Salem. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Salem may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Salem you get surprised by a frost after April 15 so be sure to be ready to cover your canna in the event of one of those late frosts.

USDA Zone Info for Salem

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 Salem

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