Dahlia
Dahlia pinnatafam. Asteraceae
Educational content — not medical, botanical, or professional advice. Plant identification, safety, and edibility depend on local conditions, cultivars, and correct identification. Consult a qualified botanist or forager before consuming or handling wild specimens. How we source & review →
Pl. 478D — Dahlia pinnata
Dahlia pinnataDahlia pinnataDahlia pinnataDahlia pinnataDahlia pinnataDahlia pinnataDahlia pinnataDahlia pinnataDahlia pinnataDahlia pinnataDahlia pinnataDahlia pinnataDahlia pinnataDahlia pinnata
IOverview
Overview
Dahlia pinnata, commonly known as Dahlia, is a perennial forb/herb native to the central and northeastern regions of Mexico. This plant thrives in full sun and prefers moist soil that can be light (sandy), medium, or heavy (clay). It grows up to 1 meter tall and is hardy in zones 8-11. Known for its edible flowers and roots, Dahlia adds both ornamental value and culinary interest to gardens. One distinctive feature of this plant is its adaptability to various soil types, making it a versatile addition to any garden setting.
Quick answers
What is Dahlia?
Dahlia pinnata, commonly known as Dahlia, is a perennial forb/herb native to the central and northeastern regions of Mexico. This plant thrives in full sun and prefers moist soil that can be light (sandy), medium, or heavy (clay). It grows up to 1 meter tall and is hardy in zones 8-11.
Growingconditions · propagation · uses
VCultivation
Cultivation
Dahlias thrive in full sun and require moist soil that can be light (sandy), medium, or heavy (clay). They are hardy in zones 8-11 and grow to a height of about 1 meter. For propagation, dahlias can be divided or grown from tubers. The edible parts include the flowers and roots.
Light
Full sun
Water
Moist
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
8-11
Life cycle
Perennial
Habit
Forb/herb
Mature size
1.0 m tall
For first-time growers
How to grow Dahlia for the first time
8steps
Start with simple soil and basic care for a successful Dahlia garden.
- 1
What you'll need
Dahlia tubers, potting mix, compost, mulch.
- 2
Best time to plant
Plant in spring after the last frost, when soil is warm.
- 3
Soil and container prep
Use well-draining soil with a pH between 6.0-7.5; mix compost into the soil.
- 4
Sowing or transplanting
Plant tubers about 10 cm deep, spaced 30-45 cm apart in full sun.
- 5
First two weeks
Water regularly to keep soil moist; mulch around the base for moisture retention.
- 6
Ongoing care
Water deeply once a week, more often if the weather is hot. Fertilize every 4-6 weeks with a balanced fertilizer.
- 7
Harvest or pruning
Prune dead flowers to encourage new blooms; cut back stems in fall after frost.
- 8
Common mistakes
Overwatering, planting too deep, neglecting fertilization, not providing enough sun.
VIEdible & utility
Edible & utility
Edible parts:FlowersRoot
Edible uses: Condiment, Sweetener
Other uses:Dye
Contextrange · companions · related
VIIDistribution
4 native · 26 introduced
Distribution
4 native · 26 introducedDistribution across5 continents· 4 native· 26 introduced
Europe3 regions
introduced (3)BulgariaFranceUkraine
Asia4 regions
introduced (4)MyanmarNepalTurkmenistanUzbekistan
Americas8 regions
introduced (8)ColombiaCosta RicaCubaEcuadorGuatemalaHondurasNicaraguaPuerto Rico
Africa2 regions
introduced (2)CameroonEthiopia
Oceania1 region
introduced (1)Fiji
Broader regions
native:Mexico Southwest, Mexico Gulf, Mexico Central, Mexico Northeast
introduced:Cook Is., East Himalaya, Leeward Is., Mexico Southeast, Panamá, Tadzhikistan, Transcaucasus, Tubuai Is.
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 (Asteraceae), common use cases, and growing requirements.
same family · Asteraceae
Botanical relatives — often share phytochemistry + growing needs.
XI
Explore further
Companion planting
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 · 478ddb0a-6c73-40b7-8f41-dd1bb8fa4c03
Decision aid
Choosing between Dahlia 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.