Plant Encyclopedia
Everything about care, pruning, watering and winter hardiness of thousands of plants
Want to see this in your garden?
1 minute, no credit card
166 plants
Adenostyles alliariae: complete guide
Adenostyles alliariae
Discover the enchanting Adenostyles alliariae, an alpine perennial with delicate purple flowers. Ideal for moist, shaded mountain gardens and woodland borders.
Ajuga iva: complete guide
Ajuga iva
Discover Ajuga iva, a hardy Mediterranean plant with elegant purple flowers. Perfect groundcover for dry gardens and rock walls. Full care guide included.
Allium acuminatum: complete guide
Allium acuminatum
Hooker's onion is a delicate alpine bulb with charming purple flowers and fine grass-like foliage. Perfect for dry gardens and rock gardens.
Allium atropurpureum: complete guide
Allium atropurpureum Waldst. & Kit.
Discover dark purple garlic, a rare European ornamental bulb featuring dramatic black-purple flower heads. Care, cultivation and companion planting ideas.
Allium ericetorum: complete guide
Allium ericetorum Thore
Discover Heathland Garlic, a wild onion with beautiful purple flowers from Europe. Guide to cultivation, care, and ecological garden design.
Persian onion: complete guide
Allium hollandicum
Persian onion (Allium hollandicum) blooms with striking purple spherical flower heads. Learn how to grow this spectacular bulb plant and enjoy its dramatic spring display.
Linear onion (Allium lineare): complete guide
Allium lineare
Linear onion: elegant alpine onion with threadlike leaves and pink-purple flowers. Hardy to -30C, drought tolerant, rock gardens, full sun.
Spanish garlic: complete guide
Allium scorodoprasum
Everything you need to know about Spanish garlic (Allium scorodoprasum): care, location, soil and bloom time. A hardy, clump-forming perennial for cottage and naturalistic gardens.
Stiff Garlic: complete guide
Allium strictum
Discover Stiff Garlic (Allium strictum), an elegant ornamental allium with purple flowers and upright form. Complete growing guide, care tips, and companion planting.
Woolly Rockjasmine (Androsace villosa): complete guide
Androsace villosa
Discover woolly rockjasmine, a hardy alpine plant native to European mountains through to the Himalaya. Perfect for rock gardens and alpine troughs. Read our complete guide.
Southern milk-vetch: complete guide
Astragalus australis
Grow Southern milk-vetch (Astragalus australis), a mountain plant with purple flowers. Complete guide for this hardy alpine species. Perfect for rock gardens.
Astragalus hypoglottis: complete guide
Astragalus hypoglottis
Purple milk-vetch with striking violet flowers and nitrogen-fixing prowess. Perfect for Mediterranean and alpine gardens with dry conditions.
Astragalus onobrychis: complete guide
Astragalus onobrychis
Sainfoin milkvetch displays elegant purple-pink flowers from May to July. This European wildflower thrives on dry, rocky slopes and rocky ground. Excellent for pollinator-friendly gardens.
Orchid Tree: complete guide
Bauhinia purpurea
Discover the Orchid Tree (Bauhinia purpurea), a stunning tropical specimen with purple flowers resembling orchids. Learn cultivation tips and care strategies for European gardeners.
Campanula piperi: complete guide
Campanula piperi
Discover the Olympic bellflower, a rare alpine plant with delicate purple blooms from Washington. Perfect guide for rock gardens.
Carduus defloratus: complete guide
Carduus defloratus
Alpine thistle is a striking alpine plant with purple flowers. Extremely hardy.
Jersey knapweed: complete guide
Centaurea paniculata
Jersey knapweed (Centaurea paniculata) is a versatile Mediterranean plant from the Asteraceae family, renowned for its purple flowers and low maintenance needs. An excellent choice for sunny, well-drained gardens.
Blue mustard: complete guide
Chorispora tenella
Learn about blue mustard, a fast-growing annual plant with purple flowers and decorative seed pods perfect for creating wildflower effects.
Clematis occidentalis: complete guide
Clematis occidentalis
Everything about Clematis occidentalis (purple clematis): cultivation, care, ideal location and growth characteristics.
Coris monspeliensis: complete guide
Coris monspeliensis
Coris of Montpellier is a charming Mediterranean plant with delicate purple flowers. Learn how to cultivate this drought-tolerant beauty from the warm south.
Least purple crocus: complete guide
Crocus minimus
Least purple crocus (Crocus minimus) is the tiniest crocus species from Mediterranean islands. Perfect for rock gardens, troughs, and alpine containers with early spring purple blooms.
Hairy crocus: complete guide
Crocus pulchellus
Hairy crocus (Crocus pulchellus) is a Balkan autumn-flowering specialist with beautiful purple blooms in September-October. Perfect for rock gardens and naturalized settings.
Sieber's crocus: complete guide
Crocus sieberi
Sieber's crocus (Crocus sieberi) is a Cretan alpine specialist with early purple blooms in February-March. Perfect for rock gardens and alpine containers requiring minimal maintenance.
Crupina vulgaris: complete guide
Crupina vulgaris
Crupina vulgaris, or bearded creeper, is an elegant purple-flowering plant from the Aster family. Discover how to grow this Mediterranean plant in your front garden.