Plant Encyclopedia
Everything about care, pruning, watering and winter hardiness of thousands of plants
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23 plants
Campanula herminii: complete guide
Campanula herminii
Campanula herminii is a rare alpine bellflower from Spain and Portugal. Learn how to grow and care for this precious mountain plant to achieve reliable blooming.
Guernsey Centaury: complete guide
Exaculum pusillum
Exaculum pusillum is an exceptionally rare, delicate miniature plant with threadlike stems and tiny flowers. Discover growing requirements, habitat preferences and specialized care.
Spring quillwort: complete guide
Isoetes echinospora
Explore Isoetes echinospora, a rare underwater plant thriving in nutrient-poor lakes across northern Europe and Siberia.
Bristle-leaved quillwort: complete guide
Isoetes setacea
Explore Isoetes setacea, the Mediterranean quillwort found in southern European oligotrophic lakes from Spain to Morocco.
Latania verschaffeltii: complete guide
Latania verschaffeltii
Yellow Latan Palm is a beautiful specimen with shimmering yellow-green fan leaves. Rare tropical treasure for warm-climate gardens.
Kelley's lily: complete guide
Lilium kelleyanum
Discover Kelley's lily (Lilium kelleyanum), a rare California mountain flower. Comprehensive care guide for this delicate alpine lily.
Kesselring lily: complete guide
Lilium kesselringianum Miscz.
Discover the Kesselring lily, a rare Asian flower with elegant white blooms. Learn about care, cultivation, and garden design with this beautiful ornamental.
EricaceaeMonotropa uniflora: complete guide
Monotropa uniflora
Discover Indian Pipe, a parasitic plant that grows without photosynthesis. Growing guide and ecological significance explained.
Germander broomrape: complete guide
Orobanche teucrii
Discover the unique parasitic plant Germander broomrape. Learn how this rare European flower grows, blooms, and thrives as a botanical curiosity.
Pancratium illyricum: complete guide
Pancratium illyricum
Discover the Illyrian sea lily, a rare Mediterranean bulb flower with fragrant white blooms. Learn cultivation, care, and design combinations.
Pedicularis oederi: complete guide
Pedicularis oederi
Pedicularis oederi is a rare alpine herb with yellow flowers. Perfect for rock gardens and alpine collections. Learn cultivation and care tips.
Picea spinulosa: complete guide
Picea spinulosa (Griff.) A.Henry
Picea spinulosa (Sikkim Spruce) is a majestic conifer from the Himalayas with fine needles. Learn how to grow this rare mountain tree.
Primula palinuri: complete guide
Primula palinuri
Primrose of Palinurus from southern Italy with yellow flowers. Discover cultivation advice for rock gardens and Mediterranean garden designs.
Big-cone Douglas-fir: complete guide
Pseudotsuga macrocarpa (Vasey) Mayr
The Big-cone Douglas-fir (Pseudotsuga macrocarpa) is an impressive California conifer featuring extraordinarily large cones. Learn how to cultivate this rare coniferous tree successfully.
Lebanon oak: complete guide
Quercus libani
Discover the Lebanon oak, a magnificent eastern oak with robust character. Excellent winter hardiness and impressive form for landscape prominence.
Rhododendron vaseyi: complete guide
Rhododendron vaseyi
Pink-shell azalea: a rare mountain bloom with deep pink flowers. Care guide, growing location, and garden integration tips for temperate climates.
RosaceaeGlorious Bramble (Rubus gloriosus): complete guide
Rubus gloriosus
Discover the glorious bramble, a rare Dutch bramble species. Detailed care guide with ecological benefits and bird-garden recommendations.
Salvia divinorum: complete guide
Salvia divinorum
Discover diviner's sage, rare Mexican sage with impressive foliage. For advanced growers.
Night-blooming cereus: complete guide
Selenicereus grandiflorus
Discover the magical night-blooming cereus. This epiphytic cactus blooms only at night with large, fragrant flowers. Perfect for experienced plant collectors and greenhouse gardens.
Heart-flowered serapias: complete guide
Serapias cordigera
Discover Serapias cordigera, a rare Mediterranean orchid with distinctive tongue-shaped flowers. Growing guide and natural habitat information.
Small-flowered serapias: complete guide
Serapias parviflora
Discover Serapias parviflora, a delicate Mediterranean orchid with fine purple flowers. Growing guide and habitat information for this wild orchid.
Viola hispida: complete guide to this delicate French wild pansy
Viola hispida
Discover Viola hispida, the Rouen Pansy: a rare French wildflower with delicate purple blooms. Perfect for wildlife gardens and naturalistic landscaping.
Yucca thompsoniana: complete guide
Yucca thompsoniana
Discover Thompson yucca, an elegant Texas species with fine, narrow foliage and spectacular spring blooms. Ideal for refined xeriscape gardens.