Everything You Ever Wanted To Know About Bananas

Updated: Jun 7

I had a very interesting tour of the "Banana Room" at Market Gardeners Christchurch HQ today. This is a gigantic space! When they say "room", what they really mean is "an area pretty much the size of an aircraft hangar", as every single banana destined for sale in the South Island goes through this facility.

Boxes of bananas in a warehouse with forklift trucks and people in the background
Bananas still on the tree waiting to be picked

The bananas are sent via sea freight and take four weeks to arrive at their destination here in New Zealand.

The loose bunches of bananas come from Ecuador, whilst the bagged bananas that you see in supermarkets come from the Philippines.

Even though we are all about locally-grown produce here at Eatlocal, where would we be without bananas? This is the one product that we have to source from overseas as we aren't able to grow them here in New Zealand.


Once the bananas are inside the facility, they are fumigated to kill off any bugs or nasties that may have tried to hitch a ride all the way from Ecuador, so thankfully no gigantic spiders ever make it through (phew!).

The boxes then go into various pressurised and temperature controlled rooms to ripen them ready for sale to retailers. If any need ripening quickly, they can be gassed with ethylene, which is the natural gas released by bananas when they are already ripe. That's why, for example, when you want to ripen, say, an avocado, placing it in a bag with a banana will help that process along.

A guide showing the different stages of ripeness of bananas with a numbered index above

Bananas go through seven stages of ripening, from Stage 1, which is fully green, right up to Stage 7, fully yellow with brown spots. Those are the ones that are left in your fruit bowl at the end of the week and are awesome for making banana bread or muffins with!


Here at Eatlocal we buy Stage 2-2.5 green bananas so that they will ripen on your bench, and not in transit on their way to you.

Our Fruit At Work Box customers receive slightly yellower bananas every Monday morning, as they need ones that are ready to be eaten straight away.

A wooden crate laden with fresh fruit on a wooden table


It was so interesting to learn about this process, and we would like to thank Matt House at MG for his time and for passing on his expert knowledge about all things bananas!

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