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Casimiroa FAQ


Not Fruiting
I bought one of your Casimiroa trees, Sue Belle, no 934385, about 12 years ago, from Mitre Ten in Nelson and now it is a fine 4m plus, which produces heaps of fruitlets every year up to pea size before dropping them all.
I have tried a variety of advice to help keep the set of fruit. Can you make any suggestions why I can't get fruit. Avocados nearby are very fruitful. Tree shows good growth and does not appear ever to be stressed.
The tree is on a north facing clay bank, with nice top soil, well drained and fairly moist. Frosts are very light. Ph is neutral to alkaline.
Do I need a pollinator?

Casimiroas are usually self-fertile. But it looks like they can vary a bit. I have seen trees quite happily fruiting on their own.
The following extract is from the book ‘Discovering Fruit and Nuts’ by Susanna Lyle.
‘There is great variation in the amount of pollen produced. Some flowers bear virtually no pollen, others have an abundance. Sterile pollen or lack of cross pollination causes seeds to abort and heavy shedding of immature fruits. Planting more than one tree increases fruit-set and fruit quality.’
This might be the answer, it is a shame after so long.


Growing from Seed
Good Morning. I've just been talking to Heather at Palmers Garden centre in Pakuranga (Auck), and she furnished me with your Google address. Recently my wife and I had the most amazing taste experience with some casimiroa we bought from a local fleamarket. In the past we have tasted the usual custard apple and cherimoya, but these were better than any of the others. My question is whether we could germinate the seeds we kept and grow them in potting mix to later transfer the plants to a suitable position in our garden? If so, then are there any problems germinating the seeds or specific methods of doing so? And when should we commence the germination? I would be most thankful if you could proffer me with any information regarding the growing of these lovely fruit.

Yes you can grow the casimiroa now but growing a plant from seed you may get fruit or may not. We graft on to our seedling plants so we make sure our plants fruit within 3-4 years. We sow the seed into sand and germinate quite easily.

 


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