When to Plant Canna in Belmont, CA

One of the first steps you take when you are determining 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 first chance to plant canna in Belmont can be estimated by checking out the USDA zone info.


Planting Calendar for Canna

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

It's not a good idea to plant canna until after all chance of frost has passed because they are not cold tolerant.

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 Belmont is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant canna and expect a good harvest is probably September. 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

In Belmont the average date of last frost happens on January 31. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Belmont may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Belmont you get surprised by a frost after January 31 be ready to protect your canna in the event of a late frost.

USDA Zone Info for Belmont

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low30°F
Highest Expected Low35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Belmont

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