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A: There are those who suspect Wildflower Center volunteers are the culpable and capable culprits. Yet, others think staff members play some, albeit small, role. You can torture us with your plant questions, but we will never reveal the Green Guru's secret identity.

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Smarty Plants Question Topics

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topicquestion
Carolina buckthorn and Neem Oil Spray Damage
April 27, 2015
It's April, I have a Carolina buckthorn that seemed to be doing well, about 8 feet tall, about 2 years old in part shade. It was putting out new leaves about a month ago and seemed to have infestati...
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Ground Arizona ash wood suitable for mulch?
April 23, 2015
We cut down a 40 year old Arizona ash tree and had the stump ground into mulch. Can we use this mulch in our vegetable garden and flower beds
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Teucrium resistant to Verticillium Wilt?
April 20, 2015
Is Teucrium frutescans, or Bush Germander resistant to Verticillium Wilt? I cannot find it on a list anywhere.
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Rust on Blackberry
April 17, 2015
I have two new blackberry bushes that I planted fall 2014. Only weeks after I planted the plant began to have rust color balls under the leaves then leaves began to die and fall off. When I returned t...
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Goldsturm Rudbeckia Stunted and Doesn't Bloom
April 16, 2015
I have Goldsturm Rudbeckia that never flowers nor gets taller than 4 inches. Meanwhile, my phlox does fantastic in the same area. This area is sand top dressed with black dirt. Please help! Goldst...
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Shrubs for Central Texas that are Verticillium Resistant
April 16, 2015
We need a list of at least a few shrubs in the 6'x3'+ size that are Verticillium Wilt resistant. We have taken out the affected Elaeagnus and would like to replace it with a screen of similar densit...
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Iris Changing Color?
April 03, 2015
I have some iris planted under a very tall tree and they bloom nicely every February. The original bulbs were given to me when I moved here to Arizona 30 years ago. They have always bloomed white. I h...
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Leucophyllum Resistant to Verticillium Wilt
March 25, 2015
I need to know which large shrubs are resistant to verticillium wilt? I believe that a few of our Elaeagnus have succumbed to this disease, but being over 15 years old, I am not positive. I am thinki...
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Mexican Lime Turning Yellow
March 25, 2015
What causes moderate yellowing of 40% of the leaves of an 8 year old Mexican Lime Tree that is booming and blooming right now with lots of thick new growth? I used a general garden fertilizer a few ...
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Dealing with live oak suckers in Central Texas
March 05, 2015
Hi, I have a couple huge Live Oak trees in my back yard. Trunks are 4' in diameter. These Live Oaks produce a lot of root sprouts/suckers. I had always head that a tree's roots feed on water/oxyg...
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