Pei Lan
Eupatorium japonicum
Educational content — not medical, botanical, or professional advice. Always consult a qualified clinician before using any herbal preparation — especially during pregnancy, breastfeeding, while on medication, or for children. How we source & review →
Pl. 7200 — Eupatorium japonicum
Eupatorium japonicumEupatorium japonicumEupatorium japonicumEupatorium japonicumEupatorium japonicumEupatorium japonicumEupatorium japonicumEupatorium japonicumEupatorium japonicumEupatorium japonicumEupatorium japonicumEupatorium japonicumEupatorium japonicumEupatorium japonicum
IOverview
Overview
Pei Lan, scientifically known as Eupatorium japonicum, is a perennial plant native to regions including Assam, China, Japan, Korea, and Vietnam. This plant thrives in moist conditions with partial sun or shade, making it adaptable to various environments within its native range. Growing up to 2 meters tall, Pei Lan can be found in soils ranging from light (sandy) to heavy (clay), and is hardy in zones 6-9. Known for its edible parts—leaves and roots—it has been utilized by local communities for culinary purposes. Its distinctive feature lies in its ability to grow in diverse soil types, contributing to its widespread distribution across eastern Asia.
Quick answers
What is Pei Lan?
Pei Lan, scientifically known as Eupatorium japonicum, is a perennial plant native to regions including Assam, China, Japan, Korea, and Vietnam. This plant thrives in moist conditions with partial sun or shade, making it adaptable to various environments within its native range.
What is Pei Lan used for?
Traditionally used for digestion. Each claim is evidence-rated — see Section II for full citations.
Best for
Top 1 evidence-ranked use of Pei Lan
Clinicaluses · safety · chemistry · dosagemedicinal profile
IIBenefits & evidence
1 claim · 0 sources
Benefits & evidence
1 claim · 0 sources- Traditional-use note: Pei Lan appears in herbal sources around after-meal comfort traditions, often as a tea. PlantSage presents this as ethnobotanical context, not as medical advice.
Traditional context only. This reviewed claim keeps the original low confidence level, but avoids treatment, disease, dosage, or guaranteed-effect language.
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.
Pei Lan support blend
generaltea
AI returned a direct ingredient list; normalized into one draft blend for editorial review.
Growingconditions · propagation · uses
VCultivation
Cultivation
Pei Lan thrives in full to partial sun and prefers moist soil that is light (sandy), medium, or heavy (clay). It is hardy in zones 6-9 and can grow up to 2 meters tall. For best results, keep the soil consistently moist. Propagate via division or seed. Harvest leaves and roots for culinary use.
Light
Full sun, Partial sun/shade
Water
Moist
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
6-9
Life cycle
Perennial
Mature size
2.0 m tall
For first-time growers
How to grow Pei Lan for the first time
8steps
Start with Pei Lan as a simple, low-maintenance perennial for your garden.
- 1
What you'll need
Pei Lan plants or seeds, gardening gloves, trowel, watering can.
- 2
Best time to plant
Plant in spring after the last frost or fall before the first freeze.
- 3
Soil and container prep
Choose a spot with light to partial shade. Ensure soil is well-draining but moist; amend as needed.
- 4
Sowing or transplanting
Direct sow seeds in early spring, or transplant young plants after the last frost.
- 5
First two weeks
Water regularly to keep the soil consistently moist. Monitor for pests and diseases.
- 6
Ongoing care
Provide light watering during dry spells. Deadhead spent flowers to encourage more blooms.
- 7
Harvest or pruning
Prune in late winter to early spring to maintain shape and remove any dead growth.
- 8
Common mistakes
Overwatering, planting in full sun, neglecting to prune regularly.
VIEdible & utility
Edible & utility
Edible parts:LeavesRoot
Edible uses: The leaves and roots of Pei Lan (Eupatorium japonicum) are edible. The leaves can be eaten fresh or cooked, while the roots are typically used in dried form. Both parts add a mild flavor to dishes when prepared appropriately.
Contextrange · companions · related
VIIDistribution
9 native · 0 introduced
Distribution
9 native · 0 introducedDistribution across1 continent· 9 native
Asia5 regions
native (5)ChinaIndiaJapanSouth KoreaVietnam
Broader regions
native:Hainan
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
- Last updated
- Citation
- How to cite this entry · Submit a correction
Back to the cataloguePlant id · 72009995-1cb6-4ba3-b63e-31d03d110dca
Decision aid
Choosing between Pei Lan and something else?
Continue reading
❦❦❦❦
Endpaper · archive updates
Get archive updates
Occasional email when substantial new content lands — plant profiles, seasonal growing notes, folk-remedy additions. Free, no tracking, unsubscribe anytime.