Sawthorn Oak
Quercus acutissima
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Pl. EF27 — Quercus acutissima
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IOverview
Overview
Sawthorn Oak (Quercus acutissima) is a deciduous tree native to East Asia, including regions such as Assam, Cambodia, China North-Central and South-Central, East Himalaya, Japan, Korea, Laos, Manchuria, Myanmar, Nepal, Thailand, and Vietnam. Known for its ornamental value due to its distinctive saw-toothed leaves and rapid growth, this oak is also valued for its edible qualities, with both the leaves and acorns being usable. Preferring moist soil in partial sun or shade, it thrives in medium to heavy clay soils with a pH ranging from 4.9 to 7. Hardy in zones 5-9, it can grow up to 5 meters tall, making it an attractive addition to gardens and landscapes.
Quick answers
What is Sawthorn Oak?
Sawthorn Oak (Quercus acutissima) is a deciduous tree native to East Asia, including regions such as Assam, Cambodia, China North-Central and South-Central, East Himalaya, Japan, Korea, Laos, Manchuria, Myanmar, Nepal, Thailand, and Vietnam.
What is Sawthorn Oak used for?
Traditionally used for immune support, digestion. Each claim is evidence-rated — see Section II for full citations.
Best for
Top 2 evidence-ranked uses of Sawthorn Oak
Clinicaluses · safety · chemistry · dosagemedicinal profile
IIBenefits & evidence
2 claims · 0 sources
Benefits & evidence
2 claims · 0 sources- Sawthorn Oak, like other oak species, has been traditionally used in Chinese medicine to support immune health. A decoction made from the leaves and bark may help bolster the body's defenses against common ailments.
The mechanism is not fully characterised but involves bioactive compounds such as tannins and flavonoids which have antioxidant and anti-inflammatory properties, potentially supporting immune function.
- Sawthorn Oak has been traditionally used in Chinese medicine to aid digestion. A decoction made from the leaves and bark may help alleviate digestive discomfort.
The mechanism is not fully characterised but involves bioactive compounds such as tannins which have astringent properties, potentially helping to soothe digestive issues.
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.
Sawthorn Oak support blend
generaltea
AI returned a direct ingredient list; normalized into one draft blend for editorial review.
Growingconditions · propagation · uses
VCultivation
Cultivation
Sawthorn Oak thrives in full to partial sun and prefers moist, medium to heavy clay soils with a pH between 4.9 and 7. It is hardy in zones 5-9 and can grow up to 5 meters tall. For cultivation, ensure the soil remains consistently moist but well-draining to prevent root rot. Propagate via seed or grafting for best results. The leaves and seeds are edible, making this a versatile addition to your garden both for ornamental and culinary purposes.
Light
Full sun, Partial sun/shade
Water
Moist
Soil
Medium, Heavy (clay)
Hardiness
5-9
Habit
Tree
Mature size
5.0 m tall
Soil pH
4.9–7
For first-time growers
How to grow Sawthorn Oak for the first time
8steps
Start with a simple planting of Sawthorn Oak to gain experience in oak tree care.
- 1
What you'll need
A young Sawthorn Oak sapling, a spade or shovel, and some compost.
- 2
Best time to plant
Plant in early spring when the ground is moist but not waterlogged.
- 3
Soil and container prep
Ensure the soil is well-draining with a pH between 4.9 and 7, and loosen it to a depth of about 30 cm.
- 4
Sowing or transplanting
Dig a hole twice as wide but not deeper than the root ball, then place the sapling in and backfill with soil mixed with compost.
- 5
First two weeks
Water regularly to keep the soil moist. Avoid letting it dry out completely.
- 6
Ongoing care
Water deeply once a week during dry spells, mulch around the base to retain moisture and suppress weeds.
- 7
Harvest or pruning
Focus on pruning in late winter before new growth starts. Remove any dead or crossing branches.
- 8
Common mistakes
Overwatering, planting too deep, neglecting regular watering during dry spells, and not providing enough space for the tree to grow.
VIEdible & utility
Edible & utility
Edible parts:LeavesSeed
Edible uses: The sawthorn oak's leaves and seeds are edible. The leaves can be eaten raw or cooked, while the seeds are often roasted before consumption. Both parts are typically prepared for culinary use in various dishes. Skip the detailed preparation methods here as they were not provided.
Other uses:Fire starterDyeAnimal feedTanninLumber
Contextrange · companions · related
VIIDistribution
13 native · 10 introduced
Distribution
13 native · 10 introducedDistribution across1 continent· 13 native· 10 introduced
Asia10 regions
native (10)CambodiaChinaIndiaJapanLaosMyanmarNepalSouth KoreaThailandVietnam
Broader regions
native:East Himalaya
introduced:District of Columbia, Kentucky, Louisiana, Maryland, Mississippi, Missouri, North Carolina, Pennsylvania, Tennessee, Alabama
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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