The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of figuring out when it's possible to plant banana is to look at the USDA zone info for Cupertino.

Planting Calendar for Banana

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

Since banana do not do well in cold weather you must wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant banana in Cupertino 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. If you wait any later than that and your banana may not have a chance to really do well. You can get started a few weeks earlier by starting your banana indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Cupertino. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Cupertino is just an average the actual date of last frost changes from year to year. Since half of the time in Cupertino last frost occurs after February 15 be ready to protect your banana in the event of a surprise late frost.

USDA Zone Info for Cupertino

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 Cupertino

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