Rent Shop Volunteer Join

Q. Who is Mr. Smarty Plants?

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.

Help us grow by giving to the Plant Database Fund or by becoming a member

Did you know you can access the Native Plant Information Network with your web-enabled smartphone?

Share

Ask Mr. Smarty Plants

Ask Mr. Smarty Plants is a free service provided by the staff and volunteers at the Lady Bird Johnson Wildflower Center.

Search Smarty Plants
See a list of all Smarty Plants questions

Please forgive us, but Mr. Smarty Plants has been overwhelmed by a flood of mail and must take a break for awhile to catch up. We hope to be accepting new questions again soon. Thank you!

Need help with plant identification, visit the plant identification page.

 
rate this answer
4 ratings

Monday - June 09, 2008

From: Folwerville, MI
Region: Midwest
Topic: Poisonous Plants
Title: Are black walnut and sugar maple poisonous to alpacas
Answered by: Nan Hampton

QUESTION:

I have alpacas and wonder if black walnut or sugar maple are poisonous to them.

ANSWER:

The standard poisonous plants databases don't normally list alpacas in the animals that are considered, but there is a specific database, Plants that are Poisonous to Alpacas, that lists Juglans nigra (black walnut) and Acer rubrum (red maple) as toxic. Alpacanation.com also has lists for plants poisonous to alpacas.

From the standard poisonous plants databases, the Canadian Poisonous Plants Information System says that black walnut (Juglans nigra) shavings used as a bedding for horses can cause laminitis. Other symptoms listed are ataxia, rapid breathing, depression, lethargy, and recumbency. The Indiana Plants Poisonous to Livestock and Pets database advises limiting access of horses to pastures with black walnut trees. The hulls of the fruits also cause gastric distress in dogs. 

Several poisonous plant databases list Acer rubrum (red maple), or Acer sp. (specifically the leaves) as being toxic to horses, causing hemolytic anemia. The symptoms include depression, weakness, anorexia, red or brown urine, yellow or brown mucous membranes. See the following databases:

Canadian Poisonous Plants Information System

Texas Toxic Plant Database

University of Pennsylvania Poisonous Plants

There are no specific references to Acer saccharum (sugar maple), but the University of Pennsylvania Poisonous Plants database shows this warning:

"While there are no documented cases of other Acer sp. causing intoxication, they should be considered a potential problem until proven otherwise. Thus, access of horses to silver and sugar maples should be restricted."


Juglans nigra

Acer rubrum

Acer saccharum

Acer rubrum

Acer saccharum

 

 

More Poisonous Plants Questions

Non-toxic Groundcover for North-Central Texas
April 07, 2011 - I need a creeping ground cover for shade that is non-toxic to dogs. I had planned on Swedish ivy until I read it was toxic. Is Asian jasmine toxic? Or, do you have any suggestions?
view the full question and answer

Allergy-causing plant in the Dallas/Fort Worth metroplex area
March 17, 2011 - Do you know what is growing (or floating in the air) in the DFW metroplex now, but not growing or floating the rest of the year? I have a 3 year old that has gotten extremely itchy this time of the ...
view the full question and answer

Climbing Vine for Illinois That is Non-Toxic to Dogs
May 31, 2013 - I am looking for a climbing vine hardy in Illinois (zone 5) that it non-toxic to dogs. Can you help?
view the full question and answer

Identification of bush/vine with purple berries
August 09, 2014 - I was clearing fence line and came across this plant it looks like a Bush but underneath grows like a vine it has long broad leaves that reminded me of Polk salad but it grows berry clusters the berri...
view the full question and answer

Plant identification of tree in North Carolina
September 07, 2011 - I live in North Carolina have found a tree on our property that has thorny branches and round fruit (perfectly round) with a fuzzy outer layer that starts out green but then turns yellow. The inside r...
view the full question and answer

Support the Wildflower Center by Donating Online or Becoming a Member today.