Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to estimate when you can plant banana by using the USDA zone info for Ukiah.

Planting Calendar for Banana

Frost tolerance for banana:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's probably not a good idea to plant banana until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant banana in Ukiah 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. You probably don't want to wait any later than that or else your banana may not have a chance to fully mature. If you are starting your banana indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Ukiah. It might get as low as 20°F during the coldest months of winter.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Ukiah and it can change quite a bit from year to year. Half of the time in Ukiah you get a frost after February 15 so make sure that you are ready to cover your banana if you have a surprise late frost.

USDA Zone Info for Ukiah

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Ukiah

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