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

It's possible to estimate when to plant canna by reviewing the USDA zone info for San Anselmo.

Planting Calendar for Canna

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

You can not plant canna until after all chance of frost has passed because they require warm weather.

The earliest that you can plant canna in San Anselmo is March. However, you really should wait until April 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 fully mature. You can get started a little bit earlier by starting your canna indoors.

Last Frost Date

The average date of last frost is February 15 in San Anselmo. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for San Anselmo may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in San Anselmo you get surprised by a frost after February 15 so make sure that you are prepared to protect your canna in the event of a surprise late frost.

USDA Zone Info for San Anselmo

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in San Anselmo

You may be interested in your other planting guides for San Anselmo.