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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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topicquestion
California plants poisonous to dogs from Sacramento
July 01, 2012
Found dodonea viscosa purple. Is it poisonous to dogs? Also Gold Star Potentilla. Going drought tolerant and need small trees, shrubs and plants not poisonous to dogs for sun and partial sun.
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Safe grazing for donkeys and goats from Osteen FL
June 30, 2012
I am having a very difficult time trying to find shrubs, hedges, plants, flowers, or trees etc. that are safe for donkeys and goats. We live in Zone 9 and have a small farm. I've had to pull every ...
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Vine non-toxic to alpacas and dogs from Fowler CA
June 29, 2012
We have alpacas and would like to plant a flowering vine on a backyard fence that adjoins the pasture. We live in Central California so we have many hot days during the summer and would like a plan...
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Non-toxic plants for dog yard from Freeport PA
June 24, 2012
I'm looking for wildlife-friendly native plants that aren't toxic to dogs. I have a place for some small shrubs and/or flowers. And a climbing vine that I could train on a trellis would work espec...
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Plant ID of unknown purchased plant from Boise ID
June 24, 2012
Hi! I bought a tree that the sales person didnt know what it was. I thought it was a cherry tree and now after about 3-4 yrs I know it is but..How do I know if it is an ornamental tree or real fruit t...
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Non-native vines poisonous to animals from Park Ridge IL
June 18, 2012
I have a Star Jasmine and sambac Philipine Jasmine Plant . Are they poisonous to cats or dogs. I have them in the house.
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Privacy shrubs and trees that are safe for horses in California
June 16, 2012
What type of privacy shrubs/trees can I plant that are safe around horses? I live in the central valley in CA. Thank you!
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What is white sticky substance in the Mandevilla vine?
June 15, 2012
When I was watering my Mandevilla one of the vines broke and there was a white, sticky substance that came out of the vine. I was just curious as to what that is.
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Is Asclepias incarnata poisonous to dogs?
June 13, 2012
Is Asclepias incarnata safe in a farm/yard with plenty of dogs running around? What happens if a dog eats the leaves or seeds or pods? Is eating any of these fatal to dogs?
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Identification of plant with orange sap that glows at night
June 06, 2012
I was just pulling up a plant and noticed that its sap was a kind of orange then I noticed it glowing orange at night. What kind of plant is this and is it dangerous?
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Toxicity of catalpa wood?
June 05, 2012
Is the sawdust from cutting up a catalpa tree or the smoke from burning the wood toxic? Thank you,
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Identity of poisonous thorn bush in Montgomery Texas
May 29, 2012
What is the name of a poisonous thorn bush in Montgomery Texas?
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Can foxglove poison be transmitted to the soil and taken up by another plant
May 29, 2012
Hi Mr. Smarty Plants, Recently I discovered a Foxglove that had come up after being planted 2 or 3 yrs ago. Next to it I have some medicinal Feverfew growing. (They were so close together I suspec...
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Digging wild buttercup from roadside in Mechanicsville MD
May 28, 2012
Mr. Smarty Plants, is it illegal to dig out wild buttercup in Maryland? I see them along the dirt road or just in the ditch. Since buttercup considered weed, I'm wondering what the law say about this...
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Reaction to something in the garden from Dowling MI
May 25, 2012
In late March I was working in my yard raking etc. The next morning I had three black spots between my knee and shin that were swelling and feverish. Two days later the areas became bigger and began...
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Non-native Purple Hyacinth from Sylvania OH
May 21, 2012
I am wondering if I plant a Purple Hyacinth Bean vine seed under a tree and allow it to grow up the tree trunk, will it kill the tree?
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Growing a Texas Mountain Laurel in Pennsylvania
May 20, 2012
Can I grow a Texas Mt. Laurel in Lancaster, PA?
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Plants for exotic pets
May 14, 2012
I need to know what are some good native non-toxic plants for these species: Porcelain roach (Gyna lurida) from Kenya, Africa. Giant cave roach (Blaberus giganteus) from Central and South Americ...
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Rash resulting from cutting trees in NC.
May 08, 2012
My boyfriend was cutting some trees yesterday. He had thorns in his hands after he was done, and today he has a rash on his legs, a fever and he feels like throwing up. Can you tell me if its symptoms...
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Is wild foxglove poisonous to dogs from Liberty TX
May 05, 2012
Is penstemon cobaea (wild foxglove)poisonous to pets, specifically dogs. I was thinking about adding this to my native Texan wild flower section of my backyard.
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Need to find a place to buy Western Soapberry in Paris, TX.
May 05, 2012
Where is the closest place to purchase a Western Soapberry tree?
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hummingbird attractants
May 03, 2012
I live in Baytown, Texas and am looking for a variety of plants that attract Hummingbirds, but are also pet friendly. I have two dogs, so this is a major concern. I am putting the plants in my backyar...
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Cenizo safe for consumption by parrots from Phoenix AZ
April 30, 2012
Could you tell me if Cenizo, (Leucophyllum frutescens) branches and leaves can be fed to pets? (parrots)I read the leaves were often used for tea for humans, but can't find an information if safe fo...
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Toxicity of barren strawberries
April 30, 2012
Are barren strawberries toxic? .
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Plants poisonous to dogs from Marion TX
April 24, 2012
Is the desert willow poisonous to dogs?
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Trees poisonous to horses from Landrum SC
April 15, 2012
Please tell me if the following trees are poisonous to horses: hickory, beech, poplar, and redbud. Thank you very much.
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Groundcover for Orange County, Florida
April 14, 2012
I live in Central FL (Winter Park)and I have a small, mostly sunny (no trees) backyard next to a large in-ground swimming pool which fills up with the leaves of my neighbor's oak trees. The backyard ...
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Hedgerow plants non-toxic to horses
April 07, 2012
What would be a good, fast growing, hedgerow plant that is NON-POISONOUS TO HORSES? Thank you.
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Sap from agave causing reactions from Edgewater FL
April 06, 2012
Not only was I stuck with the century plant thorns and needle like ends when I was digging up its pups, but I also broke the carrot-like root of a few when I was transplanting and got the white sap on...
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Will Calycanthus floridus (Eastern sweetshrub) grow near black walnut trees?
April 01, 2012
Will Calycanthus floridus survive if planted near Black Walnut trees? If not, can you recommend a similar bush that will?
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Plant for privacy hedge in Oklahoma that is not poisonous to dogs
April 01, 2012
Hello! I am looking to put a privacy hedge fence in my yard. I love the look of American Holly, however, I have a dog who eats everything so I worry that this will not be a wise choice with the b...
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Is Bignonia capreolata (crossvine) poisonous?
March 18, 2012
I need to know whether any part of Crossvine (Bignonia capreolata) is poisonous. Am thinking of planting it at an Elder Day Center for people with memory problems and the director insists - no toxic ...
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Non-poisonous, non-allergenic plants for privacy fence
March 15, 2012
I'm looking to put in some plants to create a privacy fence against one side of my property. I'd like a mix of plants that grow well together in order to create a diverse look. I need something ever...
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Is Texas Mountain Laurel Honey Toxic in Fulshear, TX?
March 11, 2012
Toxicity of Texas Mountain Laurel HONEY I know the seeds and leaves of the Tx Mountain Laurel are toxic. But, is honey that comes from the Mountain Laurel toxic too? I heard that it is, but can'...
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Does Helasia diptera absorb toxic substances from Dover Plains NY
March 09, 2012
Dear Mr. Plants, Halesia carolina is described as absorbing toxic substances: herbicides, pesticides and pollutants from water, air and soil. Does Halesia diptera do the same? Thank you.
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Problems with shrubs by pool in Bethesda, MD
February 24, 2012
We are trying to grow Otto Luyken Laurels by a pool and doing okay, some brown spots on leaves, but not many. Also have Arbivatea beside the pool about 3 feet from the edge of the pool. They have a l...
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Wisteria and Non-Poisonous Native Vines
February 15, 2012
I'm from central Texas and I'm wanting to plant a native vine that will work well around the public, mainly kids. It's a mostly sunny trellis that makes an arch. I'd like to plant the native Wiste...
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Non-toxic plants for horses in Virginia from Doswell VA
February 13, 2012
Looking for a list of Non Toxic plants to horses in the State of Virginia.
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Are palm tree thorns poisonous?
January 27, 2012
Almost 3 weeks ago I trimmed the fronds of my pygmy date palm. The tip of a thorn was stuck in my finger. I pulled it out. The side of my finger is still very painful and my finger is swollen. I c...
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Replacing Drought-Stricken Cedars
January 16, 2012
Hello, I live in Williamson County on a couple acres. We have several dead cedars as a result of drought; we're reluctant to cut them down because many of them provide a friendly barrier between us...
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Is there a vine in Indiana with poisonous thorns?
December 27, 2011
I was cut at the left big toe by a brownish/red thorny vine while tracking thru dry grass near the bridge exiting 278. I'm from Indianapolis, in 46208. Was wondering if I was exposed to a poisonous v...
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Are buckbrush (coralberry) berries poisonous?
December 20, 2011
Are the berries on buckbrush (Symphoricarpos orbiculatus) poisonous to humans?
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Fast-growing non-invasive shrub for privacy fence in Sugar Land TX
December 06, 2011
I live in South Texas in Sugar Land. I was going to plant oleanders in my backyard along the fence as a privacy hedge, about 20 feet from my house. However, I was told they were a bad choice becaus...
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North American Plants with Poisonous Thorns
December 01, 2011
Are there any plants in North America that possess poisonous thorns?
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poisonous landscaping plants in New Mexico
November 21, 2011
Mr. Smarty Plants, I have been given the task of finding non poisonous plants and shrubbery to add to our new children's playground. This is a Head Start playground so I have to make sure anything w...
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Identification of a cucumber-like vine with fruit
November 16, 2011
We found tiny, grape-size white melon-like fruit on a vine, with tomato-like/cucumber-like seeds. The leaves on the vine were similar to grape or cucumber leaves, but not spiny. They were behind our...
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How toxic are milkweed (Asclepias spp.)?
November 01, 2011
We are considering a monarch waystation for our local elementary and are concerned about milkweed toxicity. Would it be safe to plant it in reach of children?
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Comment on poisonous sweet pea plant from Kalama WA
October 29, 2011
No question, comment only. I am aware of the story of Christopher McCandless (Call of the Wild)and the belief that he was poisoned by ingesting part of the sweet pea plant; however I am curious what ...
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Shrubs that non-toxic to horses but that they won't eat
October 29, 2011
I am looking for a low maintenance, low water, green shrub that horses won't eat and will not be toxic to them. I want to hide my neighbors corral and keep down dust on my side. The horses have "l...
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Lantana induced rash
October 20, 2011
What should I use for a rash caused by a Lantana scratch on my arm
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