One of the first steps you take when you are figuring out your gardening schedule is find your 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 will be able to figure out when to plant banana by referring to the USDA zone info for Santa Rosa.

Planting Calendar for Banana

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

Banana require warm weather which means that you really should wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant banana in Santa Rosa 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 banana and expect a good harvest is probably September. Any later than that and your banana may not have a chance to really do well. If you are starting your banana indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Santa Rosa. You can expect an average low temperature of 25°F in the coldest months of winter.

Remember 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 Santa Rosa and it changes from year to year. Since half of the time in Santa Rosa you get surprised by a frost after February 15 be ready to protect your banana in the event of one of those late frosts.

USDA Zone Info for Santa Rosa

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 Santa Rosa

You may be interested in your other planting guides for Santa Rosa.