One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of determining when to plant banana is to check out the USDA zone info for Coos Bay.

Planting Calendar for Banana

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

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

The earliest that you can plant banana in Coos Bay 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 grow to maturity. Starting your banana indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Coos Bay. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Coos Bay is an average the actual date of last frost changes from year to year. Since half of the time in Coos Bay there is a last frost after February 15 be ready to protect your banana if you have a late frost.

USDA Zone Info for Coos Bay

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 Coos Bay

You may be interested in your other planting guides for Coos Bay.