When to Plant Banana in Ontario, CA

Before planting it is a good idea to find your USDA Zone info to determine 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.

One way of making a decision about when you can plant banana is to check out the USDA zone info for Ontario.


Planting Calendar for Banana

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

Since banana require warm weather you need to wait until after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant banana
Possibly ok, but a risky time to plant banana
Probably not a good time to plant banana

The earliest that you can plant banana in Ontario is February. However, you really should wait until March 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 fully mature. 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 January 31 in Ontario. In the coldest months of winter you should expect an average low temperature of 30°F.

It's important to remember that USDA zone info for Ontario may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Ontario there is a last frost after January 31 be ready to cover your banana if you have a late frost.

USDA Zone Info for Ontario

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low30°F
Highest Expected Low35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Ontario

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