Educational reference only · Not medical advice · Always consult a qualified healthcare professional
Honeysuckle

Lonicera japonica

Honeysuckle

Caprifoliaceae

Evidence: LimitedCaffeine Free East AsiaCold SeasonRespiratory ComfortVitality Traditions
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Identity

Common Name
Honeysuckle
Scientific Name
Lonicera japonica
Botanical Family
Caprifoliaceae
Native Region
East Asia
Cultivation Regions
East Asia, Japan, Korea, worldwide (temperate)
Plant Parts Used
Flower buds
Synonyms
Jin Yin Hua, Japanese Honeysuckle, Gold-Silver Flower
Caffeine Level
Caffeine Free

A twining climbing vine with opposite oval dark green leaves and pairs of long tubular white-and-yellow two-lipped fragrant flowers that age to cream; the flower buds are the part used.

Historical Background

Honeysuckle (jin yin hua, 'gold-silver flower') has been a classic clear-heat herb of Traditional Chinese Medicine for millennia, its fragrant buds steeped for respiratory and early-stage cold traditions. A gentle, honeyed floral tea, it remains a summer staple in East Asia.

Earliest recorded uses: Used in Traditional Chinese Medicine for millennia; a classic clear-heat and respiratory herb (jin yin hua).

Traditional preparations:

  • Flower-bud infusion
  • Clear-heat TCM formula
  • Summer cooling tea with chrysanthemum

Traditional Uses

These uses document historical traditions and do not imply proven effectiveness.

Traditional Chinese Medicine

Clear-heat and respiratory herb (jin yin hua).

Modern Herbalism

Floral clear-heat and respiratory tea.

Flavor & Aroma

SweetFloralHoneyedSlightly Green

Aroma: Sweet, floral, honeyed, slightly green

Tea Information

Suitable for Tea
Yes
Preparation Methods
Infusion
Steeping Temperature
200°F (93°C)
Steeping Time
5-7 minutes
Recommended Vessel
Glass teapot
Blends Well With
Chrysanthemum, Mint, Honey, Goji Berry, Licorice Root
200°F (93°C) 5-7 minutes

Safety & Cautions

Contraindications
Generally very safe in food/tea amounts; avoid in pregnancy at medicinal doses; caution with anticoagulants and antidiabetic drugs; discontinue before surgery.
Drug Interactions
May lower blood sugar and may enhance bleeding with anticoagulants; consult a clinician.
Pregnancy
Generally regarded as safe in tea amounts; avoid medicinal doses.
Children
Very gentle; mild flower infusions widely accepted.
Allergies
Possible in those sensitive to Caprifoliaceae; rare pollen allergy.
Known Adverse Effects
Generally very well tolerated; may cause mild GI upset or, rarely, allergic reactions; caution for the whole plant's traditional traditional uses — use the flowers.

Research Summary

Evidence Level: Limited

Honeysuckle has a long TCM tradition for clearing heat and respiratory support; preclinical work shows antiviral and anti-inflammatory activity (chlorogenic acid). Clinical evidence is limited; it is not a treatment for infection, cold, or any disease.

Evidence levels reflect the currently available scientific literature and may change as new research emerges. Where evidence is limited or conflicting, this is stated plainly.

References & Sources

References & Sources

  1. EMA HMPC · Lonicerae flos assessment (2015)
  2. PubMed · Lonicera japonica review (2019)

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Soothing Brews

An educational encyclopedia preserving the history, traditions, and modern evidence behind herbs used in teas and infusions. Inspired by antique botanical manuscripts.

Steeped in tradition, grounded in honesty.

Please Note

This is an educational reference, not a medical resource. Historical use does not imply effectiveness. Natural does not always mean safe. Consult a qualified healthcare professional before using herbs, especially if pregnant, nursing, or taking medications.

© 2026 Soothing Brews · For educational purposes only.

Preferred sources: NIH ODS · NCCIH · MSK Herbs · PubMed · WHO · EMA · German Commission E · Cochrane