Plant Encyclopedia
Everything about care, pruning, watering and winter hardiness of thousands of plants
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39 plants
AsteraceaeAster tataricus: complete guide
Aster tataricus L.f.
The Tartarian aster is an impressive perennial with purple flowers blooming through October. Discover everything about care, location and maintenance for this hardy plant.
Purple milk-vetch: complete guide
Astragalus danicus
Discover the Purple milk-vetch (Astragalus danicus), a green shrubby plant with purple flowers. Learn everything about care and placement.
Astragalus sesameus: complete guide
Astragalus sesameus
Discover the purple milk-vetch, a Mediterranean herb full of color. Learn how to grow this beautiful plant in your garden.
Chinese violet: complete guide
Asystasia gangetica
Asystasia gangetica is a tropical plant with elegant purple-violet flowers. Discover cultivation tips, care, and the best locations for this exotic houseplant.
Barleria cristata: complete guide
Barleria cristata
Philippine-violet shrub with stunning lavender-blue flowers. Tropical plant for warm conservatories and sunny interiors. Continuous bloomer.
Campanula kachethica: complete guide
Campanula kachethica
Kakhetian bellflower is a rare alpine plant with delicate purple flowers for rock gardens.
CampanulaceaeWanner's Harebell: complete guide
Campanula wanneri
Discover Campanula wanneri, a robust alpine plant with purple bell-shaped flowers. Learn how to grow this Balkan native in rock gardens and alpine settings.
Carduus pycnocephalus: complete guide
Carduus pycnocephalus
Discover slender thistle: a very sturdy biennial plant with small purple flowers, robust growth and great value for pollen-seeking insects globally popular.
Cirsium japonicum: complete guide
Cirsium japonicum
Japanese thistle offers gorgeous purple blooms and is easy to cultivate. A gardener's dream plant for attracting pollinators.
Colchicum bulbocodium: complete guide
Colchicum bulbocodium
Spring meadow saffron is a dwarf spring bloomer with purple flowers. A jewel for rock and alpine gardens.
Erodium foetidum: complete guide
Erodium foetidum
Rock stork's-bill is a delicate alpine plant with purple flowers and fine foliage. Learn how to grow this Mediterranean charmer in your front garden.
Pencilled Crane's-Bill: complete guide
Geranium versicolor
Discover pencilled crane's-bill, elegant perennial herb with striped purple flowers. Perfect for borders and wildflower gardens.
Alpine Coltsfoot: complete guide
Homogyne alpina
Homogyne alpina (Alpine Coltsfoot) is an elegant alpine plant with purple flowers. Perfect choice for rock gardens and alpine troughs with nutrient-poor, acidic soil.
Iris douglasiana: complete guide
Iris douglasiana
Douglas iris is a stunning native perennial with purple flowers ideal for dry gardens and borders. Discover growing tips, care, companion planting and design ideas.
Purdy's iris (Iris purdyi): complete guide
Iris purdyi
Discover Purdy's iris, a northern California alpine beauty with violet flowers. Growing guide for shaded, moist locations.
Iris ruthenica: complete guide
Iris ruthenica
This Eastern European alpine plant with purple flowers is extremely hardy and makes a spectacular rock garden inhabitant. Minimal care, maximum blooms.
Dwarf violet iris (Iris verna): complete guide
Iris verna
Discover the Dwarf violet iris from Eastern America with dark purple flowers. Complete growing guide for this early spring dwarf bloomer.
Knautia dipsacifolia: complete guide
Knautia dipsacifolia
Discover Wood Scabious, a charming Alpine flower from Europe. Perfect for wildflower borders and pollinator gardens.
Liatris pycnostachya: complete guide
Liatris pycnostachya
Prairie liatris is a stunning wildflower with dense spikes of purple flowers. This perennial attracts butterflies and blooms all summer long.
Purple Linaria: complete guide
Linaria pelisseriana
The purple linaria is a delicate Mediterranean flower with violet-blue blooms.
Evening-scent stock: complete growing guide for fragrant gardens
Matthiola longipetala
Discover evening-scent stock with irresistible fragrance at dusk and night. Perfect for borders, cutting gardens and fragrant design. Complete growing guide.
Mount Cenis Restharrow: complete guide
Ononis cristata
Learn all about Mount Cenis Restharrow, a robust alpine plant with purple flowers. Complete guide to planting, growth and maintenance in your garden.
Phlox aculeata: complete guide
Phlox aculeata
Snake River Plains phlox is a compact native perennial with purple-pink flowers. Perfect for dry borders and rocky sites. Discover care and companion planting ideas.
Primula matthioli: complete guide
Primula matthioli
Discover Primula matthioli, a robust Eurasian mountain flower with purple blooms. Ideal for moisture-loving alpine schemes and shaded borders.