Question: What vegetables and flowers will survive under the drip line of walnut trees?
Hardiness Zone: 3a
Lorraine from Lone Rock, WI
Answer: Lorraine,
The only vegetables immune to juglone (the toxic substance produced by walnut trees) are squash, melons, beans, carrots, corn, and black raspberries. Some veggies are very susceptible to the effects of juglone (e.g. tomatoes, peppers, potatoes), so for that reason, I recommend composting any debris from your trees (leaves, twigs, husks, and wood chips) before adding it to the garden. This give the juglone time to break down into non-toxic components, and minimizes the risk of injuring highly susceptible plants.
Here is a list of ornamental landscape plants hardy to your zone that should do well under walnut trees:
- Astilbe
- Bee Balm
- Bellflower
- Bloodroot
- Cinnamon Fern
- Cranesbill
- Crocus
- Daylilies
- Dutchmans Breeches
- Garden Phlox
- Glory-of-the-Snow
- Hollyhock
- Hosta
- Jack-in-the-pulpit
- Lambs Ear
- Lungwort
- Morning Glory
- Pansies
- Pot Marigold
- Sedum
- Siberian Squill
- Snowdrop
- Spanish Bluebell
- Spiderwort
- Sundrops
- Sweet Woodruff
- Violets
- Wax Begonia
- Zinnea
Good luck!
Ellen
About The Author: Ellen Brown is an environmental writer and photographer and the owner of Sustainable Media, an environmental media company that specializes in helping businesses and organizations promote eco-friendly products and services. Contact her on the web at http://www.sustainable-media.com
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