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Pomegranate - Chilling Hours, Potential Problems?


 
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Kellogg-Briand



Joined: 08 Mar 2013
Posts: 24
Location: Phoenix - Zone 10a

PostPosted: Mon Mar 18, 2013 6:58 pm    Post subject: Pomegranate - Chilling Hours, Potential Problems? Reply with quote

Quick Update: This is my Wonderful Pomegranate's sixth season in the ground. The foliage grows rapidly and is already very dense; however, once again, I only have three blooms. Other gardeners report over a hundred with younger plants. I fertilize the plant on a citrus schedule with basic Miracle Grow and the plant is irrigated. Also, the soil is a fifty-fifty mixture of native soil and palm cactus mix. I have no idea what is happening outside my theory of insufficient chilling hours. Any suggestions?

Thank you Sardonic 007 for submitting the website information for chilling hours in Phoenix.

First, I guess I should ask if sporadic flowering and fruiting year round can be caused by a lack of appropriate chilling hours? Or is something else more likely?

400 chilling hours for the Phoenix area seems odd. December, January, and February are the only months that have potential lows below 45 degrees outside of a freak day or two. During this time, at least for me, the lows are about 47-48 degrees. This January was an exception.

I'm beginning to think the Phoenix area just varies radically in temperature. It shocked me to learn that some areas go into the twenties. In this general area, the bougainvilleas, gardenias, and ficus nitidas were not damaged by the cold weather while they were obliterated in other areas.

Anyway, if 400 hours is common, I may not fully understand how to calculate the data. I thought it was sustained weather between (32-45 degrees). Maybe one day I will own an advanced weather station where I can properly map the data at the house.



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Wonderful Pomegranate (5 years old and about 12 feet tall)
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Wonderful Pomegranate (5 years old and about 12 feet tall)




Last edited by Kellogg-Briand on Fri Mar 22, 2013 8:41 am; edited 3 times in total
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Sardonic_007



Joined: 17 Nov 2012
Posts: 8

PostPosted: Mon Mar 18, 2013 10:08 pm    Post subject: Reply with quote

Check out this helpful post on another website to kind of get an idea of chill hours. I get something like an average of 400 chill hours. The calculator for Utah chill seems busted but I think Utah is crap anyway.

http://www.phoenixpermaculture.org/forum/topics/chill-calculator?xg_source=activity
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myamberdog



Joined: 21 May 2011
Posts: 323
Location: palm springs, california

PostPosted: Tue Mar 19, 2013 8:47 pm    Post subject: Reply with quote

...and I wonder if there is a website that might calculate chill hours for you? Either on a daily, weekly or monthly basis or perhaps at the end of the winter season.....

myambroDog
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