The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Lake Stevens you can figure out when it's possible to plant canna 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 has passed.

You really shouldn't plant canna until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant canna in Lake Stevens 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 few weeks earlier by starting your canna indoors.

Last Frost Date

The average date of last frost is March 15 in Lake Stevens. You should expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Lake Stevens is an average the actual date of last frost changes from year to year. Half of the time in Lake Stevens last frost occurs after March 15 so make sure that you are prepared to protect your canna in the event of a surprise late frost.

USDA Zone Info for Lake Stevens

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Lake Stevens

You may be interested in your other planting guides for Lake Stevens.