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Growing avocado

Thursday, February 25, 2010

Avocados are healthy and delicious but can be on the expensive side to buy. But did you know that you can grow an avocado from the stone in the middle of an avocado purchased from the shop? All you need to do is put it suspended over a jar of water with just one end in the water and once it has sprouted, transfer it to a pot until it grows too big for the pot. Avocados are quite large trees so make sure you have the space to grow it.

Alternatively, if you want to grow avocados without sprouting from the stone, get a grafted tree from a garden centre. Hass is the most common variety of avocado and is the one you will find in supermarkets these days but ‘Reed’ is a smaller tree, better for home gardens.

Your avocados should ripen throughout the year apart from a short time in early winter. They are very healthy being rich in monosaturated oils as well as vitamins A and B, and are low in sugar and cholesterol.

The trees likes all-day sun, and some protection from wind and frost and they don't like soil that is too wet. It takes a while to start reaping rewards from your harvest with the first fruit occurring around three or four years after planting. But it is worth the wait as a 7-year-old grafted tree can bear more than 200 fruit annually. At around $2 an avo, that is a big saving each year!

 

 

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by Anonymous 25 Feb 10, 7 replies : Last Post Sort by:
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115 posts
More info on growing avacado in NZ 
Posted 25 Feb 10 10:03 PM
The way I do it is to fill a glass with newspaper and place the avocado seed on top. I then make sure the glass filled up with water in such a way that the seed was partly covered with the water. The seed should eventually split with a shoot appearing.
After this you should plant the seed into a container or pot.
BUT I have recently discovered that if I throw the avocado seeds into my compost heap they would grow by themselves and I have managed to get lots of healthy plants doing it like this.

Make sure you dig them up with care and then pot them or plant them straight into the ground. They are a rapid growing plant. Apparently though seedling take longer to fruit and their fruit isn't as big as grafted ones are.
For avocados you need to have good soil and drainage and plenty of shelter while they are young.
Hope this helps!
Dave (Auckland)

115 posts
Re: More info on growing avacado in NZ 
Posted 25 Feb 10 10:06 PM
This snippet I found from a PDF on growing avos:

"Avocados can stand only very light frosts. In general, their susceptibility is similar to that of standard lemons. Good fruit production is dependent on favourable climatic conditions, especially during blossoming. Flower initials may become tender, even before buds have swollen much. These, as well as the open flowers, may be killed by a light frost, so that nearly complete crop failure may result. On a dry, still, clear night, flowers and opening buds may be killed on the upper part of the tree when exposed to the clear cold sky. And this even when air temperature is hardly down to freezing. Spring conditions in New Zealand are generally wet and cold: adverse for good setting of avocado crops.

Shelter: Under New Zealand conditions avocados require good protection from winds, as do citrus trees. Cool prevailing winds in spring may keep the daytime temperatures too low for good setting. Shelter belts help keep the air in the orchard still enough to permit flowers, fruits, and twigs to hold some of the heat they absorb in the sunlight, and so have a temperature that may be more favourable for setting. Also, branches of avocado trees are fairly brittle, and easily broken by strong winds."

I recommend reading the whole thing:

http://www.avocadosource.com/CAS_Yearbooks/CAS_55_1971/CAS_1971-72_PG_152-155.pdf

13 posts
Re: More info on growing avacado in NZ 
Posted 25 Feb 10 10:09 PM
Can avos be grown as far south as Christchurch or do they prefer the warmer North Island weather?

25 posts
Re: More info on growing avacado in NZ 
Posted 26 Feb 10 5:20 PM
I grow my nursery bought plant in Christchurch and i'm not 100% sure if I'll have any fruit. Currently it is mostly kept in the garage where it receives afternoon sun for about 5 or 6 hours. When I have money, I'll transfer the pot to a glass house along with Casana,Tamarillo,Pepino,Pomegranate,Passion fruit, and my future acquisitions Sugar cane and Persimmon.

I haven't heard of any successful avocado growers in CHCH, but I'd love to know about them if they exist.

I'm also trying to grow the seeds which have developed in my compost bin. I think I'm failing (to see green foliage) because the little pots are left outside my garage at night.

See my post re avocado http://www.mygarden.co.nz/Forum/ForumPosts/2412/Re-Avocado-Mango-Sugar-Cane-Jaboticaba-South-African-Guava-etc.aspx?ShowForumPostId=2430#ForumPost2430
Re: More info on growing avacado in NZ

11 posts
Re: More info on growing avacado in NZ 
Posted 27 Feb 10 7:38 PM
I used to live in Brisbane where they grow fabulously! I believe they need plenty of heat, so the glass house or sunny corner protected from frost is a good idea, they become huge trees if in the ground so the pot will keep it smaller, I think they dont have flowers/fruit until 7 years old. Give plenty of liquid feed in the pot and keep it moist. Good luck .

1 posts
Re: More info on growing avacado in NZ 
Posted 26 Mar 10 7:19 AM
I have a huge avocado in my courtyard that we have to top heavily each year or we loose our sun. however it does not bear any fruit, do we need another one nearby or is it the heavy pruning. when we bought the house it had several fruit on it and one year we got a couple of babies that dropped off. Would love some help on that as it would be amazing to produce my favorite food in our tiny garden

45 posts
Re: More info on growing avacado in NZ 
Posted 28 Jun 10 1:45 AM
For a hardier Avocado variety, try "Reed" or "Bacon"

Apparently as hardy as a lemon...

45 posts
Re: More info on growing avacado in NZ 
Posted 28 Jun 10 1:45 AM
But seems to be very fragile when young. CAUTION: do not disturb the roots!!!
 

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