Cornflag
Gladiolus daleniifam. Iridaceae
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Pl. 7684 — Gladiolus dalenii
Gladiolus daleniiGladiolus daleniiGladiolus daleniiGladiolus daleniiGladiolus daleniiGladiolus daleniiGladiolus daleniiGladiolus daleniiGladiolus daleniiGladiolus daleniiGladiolus daleniiGladiolus daleniiGladiolus daleniiGladiolus dalenii
IOverview
Overview
Cornflag, scientifically known as Gladiolus dalenii, is a striking flowering plant native to regions including Angola, Benin, Burkina Faso, and Burundi among others. This hardy forb or herb typically grows up to 1.5 meters tall in full sun and moist conditions, thriving in light (sandy) and medium soils. Known for its ornamental value, Cornflag is also edible; its flowers and nectar are considered a treat. Its native range extends across Africa, from the Cape Provinces to Ethiopia and Tanzania, making it a versatile addition to gardens or landscapes where it can flourish with proper care.
Quick answers
What is Cornflag?
Cornflag, scientifically known as Gladiolus dalenii, is a striking flowering plant native to regions including Angola, Benin, Burkina Faso, and Burundi among others. This hardy forb or herb typically grows up to 1.5 meters tall in full sun and moist conditions, thriving in light (sandy) and medium soils.
What is Cornflag used for?
Traditionally used for immune support, topical & skin. Each claim is evidence-rated — see Section II for full citations.
Best for
Top 2 evidence-ranked uses of Cornflag
Clinicaluses · safety · chemistry · dosagemedicinal profile
IIBenefits & evidence
2 claims · 0 sources
Benefits & evidence
2 claims · 0 sources- Gladiolus species have been traditionally used in African herbal medicine to support immune health, often prepared as a decoction. While specific compounds are not fully characterized for Gladiolus dalenii, related species contain flavonoids and saponins known for their immunomodulatory effects.
Not fully characterised; however, related species in the Iridaceae family contain flavonoids and saponins that can interact with immune cells to enhance or modulate immune responses.
- Gladiolus species are traditionally used in topical applications for skin health, particularly to soothe minor irritations and promote healing. While specific compounds in Gladiolius dalenii are not well-documented, related species contain mucilages that can provide a soothing effect.
Not fully characterised; however, related species in the Iridaceae family contain mucilages which have emollient properties and may help soothe irritated skin.
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.
Cornflag support blend
generaltea
AI returned a direct ingredient list; normalized into one draft blend for editorial review.
Growingconditions · propagation · uses
VCultivation
Cultivation
Cornflag thrives in full sun and prefers moist, well-drained soil that is light (sandy) or medium in texture. It grows to a height of 1.5 meters and can be propagated through bulbs. Hardy in temperate regions, it is native to parts of Africa and Yemen. The edible flowers and nectar are prized for their culinary uses.
Light
Full sun
Water
Moist
Soil
Light (sandy), Medium
Habit
Forb/herb
Mature size
1.5 m tall
For first-time growers
How to grow Cornflag for the first time
8steps
Start with Cornflag to gain experience in growing gladioli, focusing on basic care.
- 1
What you'll need
Cornflag bulbs or seeds, a garden fork, compost, and a trowel.
- 2
Best time to plant
Plant in spring after the last frost, or in autumn before the first freeze.
- 3
Soil and container prep
Choose well-draining soil with a pH between 6.0 and 7.5; loosen the topsoil and mix in compost.
- 4
Sowing or transplanting
Plant bulbs about 10 cm deep and 20 cm apart, or sow seeds thinly on the surface and cover lightly.
- 5
First two weeks
Water regularly to keep soil moist but not waterlogged; avoid direct sunlight until shoots appear.
- 6
Ongoing care
Provide full sun exposure once established; mulch around plants to retain moisture and suppress weeds.
- 7
Harvest or pruning
Prune dead flower spikes after blooming to encourage more blooms; cut back foliage only when it yellows.
- 8
Common mistakes
Planting too deep, overwatering, neglecting sun exposure, not mulching, and failing to prune spent flowers.
VIEdible & utility
Edible & utility
Edible parts:FlowersNectar
Edible uses: The Cornflag's flowers and nectar are edible. Typically, the flowers can be eaten raw or used to make a sweet tea. The nectar is often consumed directly for its natural sweetness.
Contextrange · companions · related
VIIDistribution
30 native · 0 introduced
Distribution
30 native · 0 introducedDistribution across1 continent· 30 native
Africa25 regions
native (25)BeninBurkina FasoBurundiCameroonChadCôte d'IvoireEritreaEswatiniEthiopiaGhanaGuineaGuinea-BissauKenyaLesothoMadagascarMalawiMaliMozambiqueNigeriaRwandaSenegalSierra LeoneSudanTanzaniaTogo
Broader regions
native:Cape Provinces, Central African Repu, Congo, KwaZulu-Natal, Northern Provinces
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 (Iridaceae), 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
XII
About this entry
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