Contact Us Host an Event Volunteer Join

Support the plant database you love!

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
2 ratings

Sunday - May 16, 2010

From: Louisville, KY
Region: Mid-Atlantic
Topic: Trees
Title: Evergreen plants safe for horses in Louisville, Kentucky
Answered by: Nan Hampton

QUESTION:

I have a horse farm in Louisville, Ky. I want to plant evergreen plants along the walls in front of the horse barns. What types of plants are not toxic to horses can I use? Thank you so much for all your help with this. I bought a lot of yews(taxus x media) that after looking at your website I may have to take out and plant what you recommend. Thank you, Mr. Smarty Plants

ANSWER:

You will probably want to remove the yew trees from the area since at least one Taxus species appears on each of the toxic databases listed below:

ASPCA Toxic and Non-Toxic Plant Lists—Horses

Poisonous Plants of North Carolina

Cornell University Plants Poisonous to Livestock

University of Pennsylvania Poisonous Plants

Canadian Poisonous Plants Information System

Here are some evergreen trees and shrubs that should be safe for your horses—none of them appears in any of the above toxic plant databases.  Some are taller than the yew that you picked but they might work for you anyway.

Thuja occidentalis (eastern arborvitae) 

Pinus echinata (shortleaf pine)

Pinus taeda (loblolly pine)

Tsuga canadensis (eastern hemlock)  This species appears on the Non-Toxic portion of the ASPCA list.

Morella cerifera (wax myrtle)

Evergreen ferns:

Dryopteris carthusiana (spinulose woodfern)

Dryopteris marginalis (marginal woodfern)

Polystichum acrostichoides (Christmas fern)

Short Shrubs and Sub-shrubs:

Gaultheria procumbens (eastern teaberry)

Leiophyllum buxifolium (sandmyrtle)

Mahonia aquifolium (hollyleaved barberry)  This plant is on the Non-Toxic list of the ASPCA.

Paxistima canbyi (Canby's mountain-lover)

If you are interested in seeing shrubs or trees that are not evergreen, go to the Kentucky Recommended page and NARROW YOUR SEARCH by choosing 'Shrub' or 'Tree" from the GENERAL APPEARANCE box.

Here are photos from our Image Gallery:


Thuja occidentalis

Pinus echinata

Pinus taeda

Tsuga canadensis

Morella cerifera

Dryopteris carthusiana

Dryopteris marginalis

Polystichum acrostichoides

 

 


Gaultheria procumbens

Leiophyllum buxifolium

Mahonia aquifolium

Paxistima canbyi
 

More Trees Questions

Moving a red oak away from the house foundation
January 24, 2008 - About a 3 weeks ago I noticed a 5 ft. red oak growing in my flower bed. I hadn't noticed it growing up through my shrubs until the leaves turned bright red. The problem is that its coming up about tw...
view the full question and answer

Determination of the sex of Mexican persimmon (Diospyros texana)
January 30, 2008 - Last spring, I planted a persimmon fruit from a Mexican Persimmon. I now have 6 small seedlings coming up. Since they all came from the same seed source - 1 black persimmon, will they all be male tree...
view the full question and answer

Does Mexican plum require more than one plant for successful pollination?
May 25, 2011 - Re: Mexican plums.. Do I need to plant more than 1 to ensure proper pollination? I have always been told that commercial plums need at least 2 to pollinate properly for consistent plum production. A...
view the full question and answer

Landscaping with native plants in Austin
October 06, 2005 - I'm expanding a flower bed in front of my house and would like to keep it all natives. 1) How do I find out what type of soil I should add? (I live near Hyde Park, Austin and haven't had a soil te...
view the full question and answer

Small green balls falling from oaks in Hunt TX
May 03, 2014 - Our live oak trees have pin-sized black and green balls falling from them (there are so may that is sounds like rain!) The balls are not associated with or fall with the catkins. Thanks for your ass...
view the full question and answer

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