Re: Is my setup going to produce fruit?, Greg Alder, 1. Jun 2013 08:02
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I would switch from that irrigation pipe to something more on the surface around the drip line. By now the roots on those trees should've explored beyond their root ball they were confined to in the original pot. You want to encourage that by watering in a larger diameter.

I wouldn't bother with fertilizer. Just keep some mulch over the soil surface and keep the trees watered. Fertilizer is unlikely to help the trees do anything at this point and may lead to more tip burn like last year. I once fertilized a tree too heavily with fertilizer that was too salty and it did much more harm than good.

Don't expect fruit for another year or two. I also have a year-old Pinkerton that flowered profusely this year but didn't set any fruit. Avocado trees (grafted) don't set much fruit in their first couple years.

But I think your combination of Lamb Hass, Sir Prize, and Pinkerton is good. Sir Prize has a "B" flowering schedule and therefore should help in the pollination of the other trees, which are "A" type.
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