Walnut
Juglans regia fallax
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Pl. 66E2 — Juglans regia fallax
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IOverview
Overview
Walnut, scientifically known as Juglans regia fallax, is a deciduous tree native to regions including Afghanistan, Iran, Iraq, Lebanon-Syria, North Caucasus, Pakistan, Poland, and Transcaucasus. This tree grows up to 30 meters in height and thrives in moist, light (sandy), medium, and heavy (clay) soils with a pH range of 6 to 7.5. It is hardy in zones 4-8 and is valued for its edible seed, which can be enjoyed fresh or used in various culinary applications. One distinctive feature of this tree is its adaptability to different soil types, making it a versatile choice for gardeners and farmers alike.
Quick answers
What is Walnut?
Walnut, scientifically known as Juglans regia fallax, is a deciduous tree native to regions including Afghanistan, Iran, Iraq, Lebanon-Syria, North Caucasus, Pakistan, Poland, and Transcaucasus.
What is Walnut used for?
Traditionally used for immune support. Each claim is evidence-rated — see Section II for full citations.
Best for
Top 1 evidence-ranked use of Walnut
Clinicaluses · safety · chemistry · dosagemedicinal profile
IIBenefits & evidence
1 claim · 0 sources
Benefits & evidence
1 claim · 0 sources- Walnut has been traditionally used in Ayurveda to support immune function, often prepared as a decoction. The high content of ellagic acid and other polyphenols may contribute to its antioxidant properties.
Ellagic acid and other polyphenolic compounds found in walnuts have potent antioxidant effects that can help neutralize free radicals and reduce oxidative stress, potentially supporting immune health.
IV·bMixology suggestions
1 draft
Mixology suggestions
1 draftEditorial drafts. These pairings are AI-suggested from traditional herbal lore. Always verify with a qualified herbalist before brewing.
Walnut support blend
generaltea
AI returned a direct ingredient list; normalized into one draft blend for editorial review.
Growingconditions · propagation · uses
VCultivation
Cultivation
Walnut prefers light to partial shade and is adaptable to various soils as long as they are well-drained, with a pH between 6 and 7.5. It thrives in moist conditions but can tolerate drier environments. The tree grows best in hardiness zones 4-8, making it suitable for temperate regions. For propagation, use seed. Regular watering is essential during the growing season, especially when establishing young trees. Mature walnut trees can reach heights of 30 meters and are deciduous, with a habit that supports their growth in diverse landscapes.
Light
8/10
Water
Moist
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
4-8
Habit
Tree
Mature size
30.0 m tall
Soil pH
6–7.5
Seasonal calendar
Northern hemisphere · UTC month is September
winterspringsummerautumnwinter
BloomJFMAMJJASOND
For first-time growers
How to grow Walnut for the first time
8steps
Start with a simple planting process to grow your Walnut tree.
- 1
What you'll need
Walnut seeds, a large pot or garden space, and good quality soil.
- 2
Best time to plant
Plant in spring when the ground is moist but not waterlogged.
- 3
Soil and container prep
Ensure the soil pH is between 6 and 7.5; use light, medium, or heavy soil depending on your preference.
- 4
Sowing or transplanting
Plant seeds about 2-3 cm deep in well-draining soil; space them at least 10 meters apart for growth.
- 5
First two weeks
Keep the soil consistently moist but not soggy. Monitor for any signs of mold or rot.
- 6
Ongoing care
Water regularly, especially during dry spells; mulch to retain moisture and suppress weeds.
- 7
Harvest or pruning
Prune in late winter before new growth starts to maintain shape and remove dead branches.
- 8
Common mistakes
Overwatering, planting too close together, not providing enough space for root growth, using unsuitable soil types.
VIEdible & utility
Edible & utility
Edible parts:Seed
Edible uses: Oil
Other uses:Herbicideoil
Contextrange · companions · related
VIIDistribution
10 native · 20 introduced
Distribution
10 native · 20 introducedDistribution across3 continents· 10 native· 20 introduced
Europe13 regions
native (2)PolandRussia
introduced (11)AlbaniaBelgiumBulgariaCyprusDenmarkFranceGreeceHungaryItalySpainUnited Kingdom
Asia7 regions
native (5)AfghanistanIranIraqPakistanTurkey
introduced (2)ChinaIndia
Africa1 region
introduced (1)Algeria
Broader regions
native:Lebanon-Syria, Transcaucasus, West Himalaya
introduced:East Aegean Is., East Himalaya
IXSpecimen gallery
1 image
Specimen gallery
1 imageXSee also
8 related
See also
8 relatedPlants you might compare or use together — scored by shared family, common use cases, and growing requirements.
shared use cases
Different families, similar therapeutic role — good for comparing.
XI
Explore further
Companion planting
Health goals
Compare with similar plants
Growing zone
XII
About this entry
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