Free Walnut Tree Identifier - Identify Walnut Trees by Picture Online Free
Identify any walnut tree instantly with our free online walnut tree identifier. Upload a picture and discover what walnut tree is this with AI-powered image recognition. Fast, accurate, and completely free walnut tree identification.
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A tree dropping heavy green balls that stain your hands brown, or a yard where tomatoes mysteriously wilt, often points to a walnut nearby. Our walnut tree identifier checks your photo and names black walnut, English walnut or butternut, or warns you about look-alikes like tree of heaven, hickory and sumac. Knowing which one you have helps you plan the garden and harvest safely.
How It Works
Photograph an entire compound leaf so the AI can count the leaflets and check the end of the leaf, and add the green husked fruit if available. A twig cut lengthwise to show its chambered pith is a strong extra clue. The result includes the species, its features, juglone effects on nearby plants and harvest tips.
Key Benefits
- Separates black walnut from English walnut by leaflet count and fruit shape
- Catches tree of heaven, an invasive look-alike with smelly leaves and notched leaflets
- Tells walnuts from hickories, whose nut husks split into four sections
- Explains which vegetables and shrubs are sensitive to walnut juglone
- Lets you check a tree on your walk once a day free of charge
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Ready to identify your walnut tree?
What Our Users Say
Trusted by nature enthusiasts worldwide
out of 5 based on 15,847 reviews
This plant identifier is amazing! I finally know all the plants in my garden. The AI is incredibly accurate.
Maria G.
Gardener
Accurate identification even for rare species. This is an essential tool for my fieldwork research.
James T.
Botanist
I use it on every hike. The app identified a rare orchid I found! So easy to use.
Sophie L.
Plant Enthusiast
Perfect companion for my nature photography. Quick, reliable, and always accurate.
Robert K.
Nature Photographer
Essential tool for my work. Saves hours of research time identifying plants for clients.
Emma W.
Landscape Designer
Best plant app I have ever used. Works great and is very accurate on trail plants!
Carlos M.
Hiker
Frequently Asked Questions
Common questions about walnut tree identifier
Share a photo of a full leaf and the fruit or nut. The identifier counts leaflets, checks the husk and nut shape and suggests the most likely walnut species.
Black walnut roots, leaves and husks release juglone, a compound that stunts or kills sensitive plants such as tomatoes, peppers and many azaleas. Raised beds or tolerant plants work better nearby.
Moldy walnuts fallen on the ground can contain toxins that cause tremors and seizures in dogs. Keep pets away from rotting nuts and husks.
Tree of heaven leaflets have one or two small glandular teeth near the base and the crushed leaves smell unpleasant. Walnut leaflets are finely toothed along the whole edge and smell spicy.
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