Native Plants
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Monday - January 18, 2016
From: Brownsville, ON
Region: Canada
Topic: Propagation, Poisonous Plants, Grasses or Grass-like, Herbs/Forbs, Trees
Title: Will blue eyed grass grow under black walnut trees?
Answered by: Guy Thompson
QUESTION:
Will blue eyed grass grow under black walnut trees? I know the Siberian Iris is tolerant but the scientific names are not the same yet everything I read indicates that blue eyed grass is not in the grass family but it he iris family. I cannot find any information as far as Sisyrinchium is concerned.ANSWER:
The toxic substance, juglone, that is released by Juglans nigra (Black walnut) inhibits the growth of many plant species. I have not seen Sisyrinchium atlanticum (Eastern blue-eyed grass) on any of these lists, and from the types of plants found to be tolerant to juglone I suspect that Blue-eyed grass might grow well under walnut trees. But in order to bloom well, Blue-eyed grass needs sun. If your trees are tall and allow good filtered light to penetrate the canopy you can expect a nice show of blossoms.
More Poisonous Plants Questions
Poisonous plant in Ohio with hydrangea-like flower
June 09, 2008 - Dear Mr. Smarty Plants,
I was sure that I had read that there is a poisonous bush that is native to Ohio that has flowers something like a white hydrangea..or was it queen ann's lace? I believe the ...
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Grasses for horses in Austin
October 27, 2012 - Hello Mr. Smarty Plants
We just bought 4.5 acres in Travis County off HWY 290. We have 3 horses we keep on it but there is very little grass in the pastures. What is the best type of grass to seed ...
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Non-toxic Groundcover for North-Central Texas
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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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July 30, 2012 - I have a vine growing among some vegetation in my backyard. It has a leaf with 3 "points" with ridges along its edges. The smaller leaves are reddish which is why I thought poison ivy but definite...
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