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« on: March 30, 2017, 08:34:06 PM »
Hi, from Hass avocado territory in southern California. We had quite a problem with the weather being hot ( 110-115 F)( 40-46C) last year during the summer. That was way too hot for them. The trees all got scorched and some of them had severe burns to leaves and branch tissue. That takes time to recover from. California is also dealing with the smallest crop in their history due to a warm, dry spell when the flowers should have been pollinating each other. So we are watching the trees recover and it might take a year or more. A small tree may take up to 8 years to bear fruit if its from a seed. Our Hass trees are all rootstock of one variety with a grafted top of the Hass variety. If you have one flower, give it more time, your leaves look great, so the tree is growing. The soil is very important, and the tree will do best if it has room for the small roots in the top 8 inches to 11/2 feet of soil can freely soak up nutrients, that means lots of leaf litter and mulch. Now, to get fruit, you need lots of flowers, and if you have a "B" cultivar ( Fuerte, Ettinger, Zutano, are examples) than you will have more of a chance to have fruit. Avocado flowers open up for a short time as female, then close and open up as male. Hass is an "A" variety. if you get the "B" variety, their flowers will be male when the Hass flowers are female. That's more opportunity for pollination. When you have flowers, don't let the air around the tree dry out too much, that will give the pollen the moisture it needs to "stick". I wish you well, but as Mike T says, the variety may not do well in your area. Keep trying for what you want though, because your picture shows a healthy young tree so you are doing a good job so far. If you can shade them during heat spells it might work.