Plant Comparison

Peach-leaved bellflower vs Catnip

A side-by-side comparison of two medicinal plants — every documented constituent, action, use, safety note and cited source, assembled automatically from the Omnia Sana database.

First plant
Second plant
Show:
Plant APeach-leaved bellflowerCampanula persicifoliaCampanulaceaeFull monograph →
Plant BCatnipNepeta catariaLamiaceaeFull monograph →

At a glance

Peach-leaved bellflower and Catnip: they share 5 indicated uses (inflammation (general), wounds, skin irritation, …); 2 pharmacological actions in common.

Peach-leaved bellflowerCatnip
Constituents43
Pharmacological actions44
Indicated uses69
Safety notes22
Cited sources517
Indicated uses
Only Peach-leaved bellflower
Sore throat
Shared (5)
Inflammation (general)WoundsSkin irritationInfection (general)Respiratory support
Only Catnip
Arthritis / joint painBloatingIndigestionInsomnia / sleeplessness
Pharmacological actions
Only Peach-leaved bellflower
AntioxidantVulnerary (wound healing)
Shared (2)
Anti-inflammatoryAntimicrobial
Only Catnip
Digestive aidSedative / sleep support

Evidence face-off — shared uses

ConditionPeach-leaved bellflowerCatnipVerdict
Inflammation (general)7/101/10Stronger for Peach-leaved bellflower
Wounds2/101/10Comparable evidence
Skin irritation7/101/10Stronger for Peach-leaved bellflower
Infection (general)2/102/10Comparable evidence
Respiratory support7/101/10Stronger for Peach-leaved bellflower

Evidence scores (1–10) are computed from the tier of each cited source. “Comparable” means the two scores are within one point. Follow a score to its detailed sources.

Key Constituents

Phenolic acids (chlorogenic and caffeic acids)[1, 3]

Chlorogenic and caffeic acids are the dominant phenolics of bellflowers (antioxidant).

Phenolic acidsChlorogenic acidCaffeic acid
Flavonoids (quercetin and kaempferol glycosides)[1, 2]

Flavonol glycosides such as quercetin and kaempferol glycosides.

FlavonoidsQuercetinKaempferol
Polyacetylenes (lobetyol, lobetyolin)[1, 2]

Acetylenic (polyacetylene) compounds lobetyol and lobetyolin, characteristic antioxidant constituents of the Campanulaceae.

Triterpenes and saponins[1]

Triterpenes and saponins reported across the genus Campanula.

Triterpene saponinsSaponins
Iridoid monoterpenes (nepetalactone)[2, 6]

The characteristic volatile iridoid responsible for the cat-attractant effect and studied for sedative, antimicrobial and insect-repellent activity.

Terpenes / terpenoids
Essential oil[5]

Rich in nepetalactone isomers along with other monoterpenes; studied for antimicrobial and antioxidant activity.

Essential (volatile) oil
Flavonoids[3]

Contribute to the antioxidant activity of the aerial parts.

Flavonoids

Pharmacological Actions

Antioxidant[1, 2, 3, 4]
Anti-inflammatory[1, 3]

Bellflower extracts downregulate inflammatory cytokines (TNF-alpha, IL-1beta).

Antimicrobial[1, 4]

Antibacterial activity of bellflower extracts/hydrolysates (genus Campanula).

Vulnerary (wound healing)[3]

Campanula macrostachya extract promoted fibroblast wound closure in vitro (genus congener).

Anti-inflammatory[12, 13, 14]
Antimicrobial[3, 5, 7, 12, 13, 14]
Digestive aid[9, 12, 13, 14]
Sedative / sleep support[12, 13, 14]

Traditional & Indicated Uses

Inflammation (general)[1, 3]Good · 7/10
Evidence: 7
Label: Inflammation (general)
Wounds[3]Traditional · 2/10

Bellflower extract promoted fibroblast wound healing in vitro (genus congener).

Evidence: 2
Label: Wounds
Skin irritation[1, 3]Good · 7/10

inferred from anti-inflammatory / traditional topical skin use

Evidence: 7
Label: Skin irritation
Infection (general)[4]Traditional · 2/10

inferred from antimicrobial action

Evidence: 2
Label: Infection (general)
Sore throat[1]Good · 7/10

inferred from traditional gargle use for throat/mouth inflammation

Evidence: 7
Label: Sore throat
Respiratory support[1]Good · 7/10

inferred from genus Campanula traditional use for respiratory complaints

Evidence: 7
Label: Respiratory support
Arthritis / joint pain[12, 13, 14]Traditional · 1/10

inferred from anti-inflammatory action

Evidence: 1
Label: Arthritis / joint pain
Bloating[9, 12, 13, 14]Traditional · 1/10

inferred from digestive action

Evidence: 1
Label: Bloating
Indigestion[9, 12, 13, 14]Traditional · 1/10

inferred from digestive action

Evidence: 1
Label: Indigestion
Infection (general)[3, 5, 12, 13, 14]Traditional · 2/10

inferred from antimicrobial action

Evidence: 2
Label: Infection (general)
Inflammation (general)[12, 13, 14]Traditional · 1/10

inferred from anti-inflammatory action

Evidence: 1
Label: Inflammation (general)
Insomnia / sleeplessness[12, 13, 14]Traditional · 1/10

inferred from sedative action

Evidence: 1
Label: Insomnia / sleeplessness
Respiratory support[12, 13, 14]Traditional · 1/10
Evidence: 1
Label: Respiratory support
Skin irritation[12, 13, 14]Traditional · 1/10

inferred from anti-inflammatory action

Evidence: 1
Label: Skin irritation
Wounds[12, 13, 14]Traditional · 1/10

inferred from antimicrobial action

Evidence: 1
Label: Wounds

Safety, Cautions & Contraindications

Safety noteCaution

Peach-leaved bellflower is chiefly an edible and ornamental plant, and very little is known about medicinal use or safety of the species specifically; there are no clinical data. Use culinary amounts, and avoid medicinal doses in pregnancy and breastfeeding.

Safety note[1]Info

The pharmacological data here are for the genus Campanula and related bellflower species, not for Campanula persicifolia itself; interpret with caution.

Safety note[12, 13, 14]Caution

Pregnancy: Do not use (traditional concern around stimulating menstruation/uterus) (Health Canada, n.d.). Breastfeeding: Health Canada advises talk to a healthcare professional first (Health Canada, n.d.). Kids: It’s often described as a “gentle” traditional tea, but large amounts are not a good idea—there’s a published case where a toddler became very sleepy/“slowed down” after consuming a lot. Keep catnip tea away from toddlers unless a clinician advises it (Osterhoudt et al., 1997). Sedatives / alcohol: Catnip can be calming, so don’t stack it with other sedating herbs/sleep meds/alcohol (you could get extra drowsy) (WebMD, n.d.a). Essential oil caution: Catnip essential oil is concentrated. Research notes it may cause mild skin irritation for some people—always dilute, patch test, and never treat it like “tea.” (Reichert et al., 2019)

Safety note[12, 13, 14, 15]Caution

Duke (2002) describes catnip primarily as a sedative, diaphoretic, and emmenagogue with experimental (score 1) support. It has demonstrated uterotonic and oxytocic activity, making it contraindicated in pregnancy. The active compounds include nepetalactone and iridoids. Catnip is classified as a mild nervine and antispasmodic in traditional North American herbal medicine, though clinical trials are lacking. Due to its emmenagogue and uterotonic properties, medicinal-dose use should be avoided during pregnancy (Duke, 2002).

External Ids

Gbif: 5411475
Wikidata: Q790170
Gbif: 5341499
Wikidata: Q161139

Synonyms

Campanula persicifolia subsp. persicifolia

Not documented

Botanical Description

An elegant perennial herb of the bellflower family, 30-90 cm tall, growing from a slender rhizome. It forms an overwintering rosette of narrow, leathery, finely-toothed leaves that resemble those of a peach tree (hence 'peach-leaved'); the few stem leaves are similar but smaller. The large, broad, open bell-shaped flowers - about 3-4 cm across, clear blue to lilac or white - are borne in a loose, one-sided spike in summer. Like other bellflowers it exudes a white latex when cut. It is widely grown as an ornamental garden perennial, and its young leaves and roots have historically been eaten.[1]

Height: 30-90 cm
Habit: Slender rhizomatous perennial with an evergreen leaf rosette
Leaves: Narrow, leathery, finely toothed, peach-leaf-like; mostly in a basal rosette
Flowers: Large, broad, open bells (3-4 cm), clear blue to lilac or white, in a loose one-sided spike
Stem: Erect, slender, little-branched, exuding white latex when cut
Root: Slender rhizome with fibrous roots
Fruit: A nodding capsule opening by pores near the top
Flowering Period: June-August

Perennial herb, 30-100 cm tall, with greyish-green, downy, square stems typical of the mint family. Leaves are opposite, triangular-ovate with scalloped or toothed margins, grey-green above and softly felted (whitish) beneath, releasing a minty-lemony aroma when crushed. Small white flowers, spotted with purple or pink, are borne in dense terminal and axillary spikes. Nepetalactone, the volatile compound famous for its effect on cats, is concentrated in glandular hairs on the leaves and stems.[9]

Height: 30-100 cm
Habit: Erect, bushy, greyish-downy perennial herb
Leaves: Opposite, triangular-ovate, scalloped/toothed, felted white beneath
Flowers: Small, white with purple/pink spotting, in dense terminal and axillary spikes
Stem: Square, greyish-green, downy
Root: Fibrous perennial rootstock
Fruit: Four small nutlets (typical Lamiaceae schizocarp)
Flowering Period: June-September

Habitat

Open woodland, wood margins, scrub, hedge banks and dry to moist grassland across much of Europe and into western Asia; also very widely cultivated and naturalised as a garden ornamental. It favours well-drained soils in sun or light shade.[1]

Native to Europe and temperate Asia and widely naturalised in North America; grows on disturbed, sunny ground - roadsides, waste places, hedgebanks and dry, calcareous or well-drained soils.[9]

Harvesting

Young leaves and shoots are gathered in spring for use as a salad or pot-herb (mild, faintly sweet, like other bellflowers and rampion); the flowers are gathered in summer, and the root can be dug in autumn. Chiefly a food and ornamental plant rather than a medicinal drug.[5]

Parts: Leaf, Flower, Root
Season: Young leaves/shoots in spring; flowers in summer; root in autumn

The flowering aerial parts (leaf, stem and flower) are cut at or just before flowering (summer), when volatile nepetalactone content is highest, and dried quickly out of direct light.[2, 9]

Parts: Leaf, Stem, Flower
Season: Summer, at or just before flowering

Traditional Uses

Peach-leaved bellflower is primarily an edible and ornamental plant rather than a classical medicinal herb: its young leaves and roots have long been eaten as a wild salad green or pot-herb, in the same way as its relative rampion (Campanula rapunculus). Folk use of bellflowers (Campanula) includes a leaf or flower infusion as a gentle gargle and wash for sore throat and mouth inflammation, and topical use of the crushed herb on inflamed skin. More broadly, the genus Campanula has traditional records of use for inflammatory, respiratory and cardiovascular complaints, backed by its phenolic, flavonoid and triterpene chemistry.[1, 5]

Catnip has a long North American and European folk-medicine history as a mild sedative/nervine, diaphoretic (fever-reducing, sweat-promoting) remedy, carminative digestive and traditional emmenagogue; it was also given as a children's tea for colic and restlessness, though large amounts are not advised for young children and it is traditionally avoided in pregnancy.[9]

Preparations

Salad green / pot-herb[5]

Young leaves and shoots eaten raw in salads or lightly cooked as a mild pot-herb; the root is also edible (as with rampion bellflower).

Infusion / gargle[1]

A leaf or flower infusion used traditionally as a gentle gargle and wash for sore throat and mouth inflammation.

Infusion (tea)[9]

Dried aerial parts steeped in hot water as a traditional calming, digestive tea.

Essential oil[6]

Steam-distilled from the aerial parts; used mainly as a natural insect repellent (nepetalactone) rather than taken internally.

References

REF-2816, REF-2817, REF-2818, REF-2819, REF-2820
REF-0930, REF-0931, REF-0932, REF-0933, REF-0934, REF-0935, REF-0936, REF-0937, REF-0938, REF-0939

Lookalikes Review

[1]

Outcome: none-known
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-10
Outcome: none-known
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-07

Dosage

Not documented

Infusion (tea)[11]

Health Canada's NNHPD monograph gives 1.2-12 g of dried herb top per day for adults 18 years and older, with infusion among the accepted methods of preparation. Educational reference only, not a prescription. Keep away from toddlers and young children beyond very small amounts, and avoid medicinal-dose use in pregnancy.

Drug Class Interactions

Not documented

Safety note[16, 17]Caution
Drug Class: sedatives-cns-depressants
Mechanism: Catnip is traditionally used as a calming, sedative herb; taken with sedatives, sleeping tablets or other central-nervous-system depressants (including alcohol) it may add to drowsiness and slowed reactions.
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-03

References & Sources

  1. Alhage, J. and Rahman, A.A. and Al-Bayssari, C. and Raad, M.T (2025) 'Bioactive Compounds Isolated from the Campanula Genus: A Review', Molecules, 30(23), pp. 4495. doi:10.3390/molecules30234495 Meta-analysis / review
    https://doi.org/10.3390/molecules30234495
  2. Dumlu, M.U. and Gurkan, E. and Tuzlaci, E (2008) 'Chemical composition and antioxidant activity of Campanula alliariifolia', Natural Product Research, 22(6), pp. 477-482. doi:10.1080/14786410701640429 Preclinical
    https://doi.org/10.1080/14786410701640429
  3. Sarikurkcu, C. and Kargin Solmaz, F.O. and Isitez, N. and Erdogmus, S.F (2026) 'Ultrasound-assisted aqueous extract of Campanula macrostachya enhances fibroblast repair via antioxidant and cytokine-modulatory mechanisms', Protoplasma, 263(4), pp. 1361-1372. doi:10.1007/s00709-026-02192-z Preclinical
    https://doi.org/10.1007/s00709-026-02192-z
  4. Sarabandi, K. and Dashipour, A. and Izadi, Z. and Akbarbaglu, Z. and Katouzian, I. and Jafari, S.M (2023) 'Nutritional, biological, and structural properties of bioactive peptides from bellflower (Campanula latifolia), Persian-willow, and bitter-orange pollens', Journal of Food Science, 88(7), pp. 3119-3133. doi:10.1111/1750-3841.16658 Preclinical
    https://doi.org/10.1111/1750-3841.16658
  5. Guarrera, P.M. and Savo, V (2016) 'Wild food plants used in traditional vegetable mixtures in Italy', Journal of Ethnopharmacology, 185, pp. 202-234. doi:10.1016/j.jep.2016.02.050 Traditional / reference
    https://doi.org/10.1016/j.jep.2016.02.050
  1. Geissler, M., Neubauer, C., Sheludko, Y.V. and Warzecha, H (2024) 'Nepeta cataria L. (catnip) can serve as a chassis for the engineering of secondary metabolic pathways', Biotechnology Letters, 46(5), pp. 843-850. doi:10.1007/s10529-024-03489-w Preclinical
    https://doi.org/10.1007/s10529-024-03489-w
  2. Lockhart, A., Simon, J.E. and Wu, Q (2024) 'Stability study of Nepeta cataria iridoids analyzed by LC/MS', Phytochemical Analysis, 35(7), pp. 1674-1687. doi:10.1002/pca.3410 Preclinical
    https://doi.org/10.1002/pca.3410
  3. Nadeem, A., Shahzad, H., Ahmed, B., Muntean, T. and others (2022) 'Phytochemical profiling of antimicrobial and potential antioxidant plant: Nepeta cataria', Frontiers in Plant Science, 13, pp. 969316. doi:10.3389/fpls.2022.969316 Preclinical
    https://doi.org/10.3389/fpls.2022.969316
  4. Tan, J., Li, J., Ma, J. and Qiao, F (2019) 'Hepatoprotective effect of essential oils of Nepeta cataria L. on acetaminophen-induced liver dysfunction', Bioscience Reports, 39(8), pp. BSR20190697. doi:10.1042/BSR20190697 Preclinical
    https://doi.org/10.1042/BSR20190697
  5. Mollova, S., Dzhurmanski, A., Fidan, H., Bojilov, D. and others (2023) 'Chemical Composition of Essential Oils from Nepeta cataria L. Cultivated in Bulgaria and Their Antimicrobial and Antioxidant Activity', ACS Omega, 8(17), pp. 15441-15449. doi:10.1021/acsomega.3c00704 Preclinical
    https://doi.org/10.1021/acsomega.3c00704
  6. Reichert, W., Ejercito, J., Guda, T., Dong, X. and others (2019) 'Repellency Assessment of Nepeta cataria Essential Oils and Isolated Nepetalactones on Aedes aegypti', Scientific Reports, 9(1), pp. 1524. doi:10.1038/s41598-018-36814-1 Preclinical
    https://doi.org/10.1038/s41598-018-36814-1
  7. Tiwari, G., Chaturvedi, T., Gupta, A.K., Lal, R.K. and others (2023) 'Assessment of Genetic Diversity, Micromorphology and Antimicrobial Activity in Nepeta cataria L', Chemistry & Biodiversity, 20(2), pp. e202200241. doi:10.1002/cbdv.202200241 Preclinical
    https://doi.org/10.1002/cbdv.202200241
  8. Giarratana, F., Muscolino, D., Ziino, G., Lo Presti, V. and others (2017) 'Activity of Catmint (Nepeta cataria) essential oil against Anisakis larvae', Tropical Biomedicine, 34(1), pp. 22-31. Available at: https://pubmed.ncbi.nlm.nih.gov/33592976/ Preclinical
    https://pubmed.ncbi.nlm.nih.gov/33592976/
  9. Sarkar, M., Rashmi, R., Vikramaditya and Varma, P.N (1995) 'Pharmacognosy of Nepeta cataria', Ancient Science of Life, 14(4), pp. 225-234. Available at: https://pubmed.ncbi.nlm.nih.gov/22556702/ Traditional / reference
    https://pubmed.ncbi.nlm.nih.gov/22556702/
  10. Bernardi, M.M., Kirsten, T.B., Lago, J.H.G., Giovani, T.M. and Massoco, C.O (2011) 'Nepeta cataria L. var. citriodora (Becker) increases penile erection in rats', Journal of Ethnopharmacology, 137(3), pp. 1318-1322. doi:10.1016/j.jep.2011.07.061 Preclinical
    https://doi.org/10.1016/j.jep.2011.07.061
  11. Health Canada, Natural and Non-prescription Health Products Directorate (2026) 'Natural Health Product Monograph: Catnip - Nepeta cataria'. Available at: https://webprod.hc-sc.gc.ca/nhpid-bdipsn/dbImages/mono_catnip_english.pdf Traditional / reference
    https://webprod.hc-sc.gc.ca/nhpid-bdipsn/dbImages/mono_catnip_english.pdf
  12. British Herbal Medicine Association (1983) 'British Herbal Pharmacopoeia'. Traditional / reference
    https://scholar.google.com/scholar?q=British%20Herbal%20Pharmacopoeia
  13. Gilani, A.H., Shah, A.J., Zubair, A., Khalid, S., Kiani, J., Ahmed, A., Rasheed, M. and Ahmad, V.U (2009) 'Chemical composition and mechanisms underlying the spasmolytic and bronchodilatory properties of the essential oil of Nepeta cataria L', 121(3), pp. 405--411. doi:10.1016/j.jep.2008.11.004 Traditional / reference
    https://doi.org/10.1016/j.jep.2008.11.004
  14. Royal Botanic Gardens, Kew (n.d.). Available at: https://powo.science.kew.org Traditional / reference
    https://powo.science.kew.org
  15. Duke, J.A (2002) 'Handbook of Medicinal Herbs, Second Edition'. Traditional / reference
    https://scholar.google.com/scholar?q=Handbook%20of%20Medicinal%20Herbs%2C%20Second%20Edition
  16. Ghasemzadeh Rahbardar, M. and Hosseinzadeh, H (2024) 'Therapeutic potential of hypnotic herbal medicines: A comprehensive review', Phytotherapy Research, 38(6), pp. 3037-3059. doi:10.1002/ptr.8201 Meta-analysis / review
    https://doi.org/10.1002/ptr.8201
  17. Block, K.I., Gyllenhaal, C. and Mead, M.N (2004) 'Safety and efficacy of herbal sedatives in cancer care', Integrative Cancer Therapies, 3(2), pp. 128-148. doi:10.1177/1534735404265003 Meta-analysis / review
    https://doi.org/10.1177/1534735404265003

Generated automatically from the Omnia Sana plant database and its cited sources. For educational purposes only — not medical advice. Always consult a qualified practitioner before using medicinal plants.