One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to determine when it's the best time to plant canna by checking out the USDA zone info for El Monte.

Planting Calendar for Canna

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

It's a bad idea to plant canna until after the last frost because they require warm weather.

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

Last Frost Date

On average all chance of frost has passed is on January 31 in El Monte. It might get as low as 30°F during the coldest months of winter.

Always keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for El Monte and it can change quite a bit from year to year. Half of the time in El Monte last frost occurs after January 31 so make sure that you are prepared to protect your canna if you have a late frost.

USDA Zone Info for El Monte

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 Low	30°F
Highest Expected Low	35°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 El Monte

You may be interested in your other planting guides for El Monte.