Iberian Star Thistle
Centaurea ibericafam. Asteraceae
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Pl. 742A — Centaurea iberica
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IOverview
Overview
Iberian Star Thistle (Centaurea iberica) is a biennial forb or herb belonging to the Asteraceae family and is native to regions including Afghanistan, Baltic States, Belarus, Bulgaria, Cyprus, East Aegean Islands, and more. This plant thrives in full sun with varying soil types—light, medium, and heavy—and can tolerate both dry and moist conditions. It grows up to 0.9 meters tall and is hardy in zones 5-9. Known for its edible leaves and documented medicinal uses, Iberian Star Thistle is a versatile plant found across Central Asia, the Caucasus, and parts of Europe. Its distinctive feature lies in its star-like appearance, making it an ornamental addition to gardens while also serving practical purposes through its use as food and medicine.
Quick answers
What is Iberian Star Thistle?
Iberian Star Thistle (Centaurea iberica) is a biennial forb or herb belonging to the Asteraceae family and is native to regions including Afghanistan, Baltic States, Belarus, Bulgaria, Cyprus, East Aegean Islands, and more.
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.
Iberian Star Thistle support blend
generaltea
AI returned a direct ingredient list; normalized into one draft blend for editorial review.
Growingconditions · propagation · uses
VCultivation
Cultivation
Iberian Star Thistle thrives in full sun and prefers well-drained soil that can be light (sandy), medium, or heavy (clay). It is drought-tolerant but will also grow in moist conditions. This biennial plant is hardy in zones 5-9 and reaches a height of about 0.9 meters. For best results, sow seeds directly where they are to grow, as this plant does not transplant well. Harvest the edible leaves for use in your kitchen.
Light
Full sun
Water
Dry, Moist
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
5-9
Life cycle
Biennial
Habit
Forb/herb
Mature size
0.9 m tall
For first-time growers
How to grow Iberian Star Thistle for the first time
8steps
Start with Iberian Star Thistle as a simple, low-maintenance addition to your garden.
- 1
What you'll need
Seeds or young plants, a trowel, and a watering can.
- 2
Best time to plant
Plant in spring after the last frost or in late summer for fall flowering.
- 3
Soil and container prep
Choose a well-draining soil with a pH between 6.0 and 7.5, suitable for light (sandy), medium, or heavy (clay) soils.
- 4
Sowing or transplanting
Direct sow seeds in the garden or start them indoors 4-6 weeks before planting outdoors. Transplant young plants into a sunny spot with ample space.
- 5
First two weeks
Water regularly to keep soil moist but not waterlogged, ensuring good germination and growth.
- 6
Ongoing care
Provide full sun exposure and minimal watering once established. Prune dead or damaged foliage as needed.
- 7
Harvest or pruning
Prune spent flowers to encourage more blooms and maintain the plant's shape, but avoid cutting back too hard in fall.
- 8
Common mistakes
Overwatering, planting in heavy shade, neglecting deadheading, and not providing enough space for growth.
VIEdible & utility
Edible & utility
Edible parts:Leaves
Edible uses: The Iberian Star Thistle's leaves are edible and can be consumed raw or cooked. Typically, they are prepared by boiling or steaming to add flavor to salads or side dishes. Skip the detailed recipe; focus on these simple preparation methods.
Contextrange · companions · related
VIIDistribution
29 native · 1 introduced
Distribution
29 native · 1 introducedDistribution across2 continents· 29 native· 1 introduced
Europe7 regions
native (7)BelarusBulgariaCyprusGreeceRomaniaRussiaUkraine
Asia10 regions
native (10)AfghanistanChinaIranIraqKazakhstanPakistanPalestineTurkeyTurkmenistanUzbekistan
Broader regions
native:Baltic States, East Aegean Is., Kirgizstan, Lebanon-Syria, Turkey-in-Europe, West Himalaya, Yugoslavia, Tadzhikistan, Transcaucasus
introduced:California
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
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Companion planting
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