When to Plant Canna in Eagle, CO

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.

By looking at the USDA zone info for Eagle you should be able to figure out when to plant canna.


Planting Calendar for Canna

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

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

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant canna
Possibly ok, but a risky time to plant canna
Probably not a good time to plant canna

The earliest that you can plant canna in Eagle 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. 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 Eagle. You can expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Eagle is an average the actual date of last frost will vary from year to year. Half of the time in Eagle you get surprised by a frost after April 15 so make sure that you are ready to protect your canna in the event of one of those late frosts.

USDA Zone Info for Eagle

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

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

Plants to Grow in Eagle

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