Plant Encyclopedia
Everything about care, pruning, watering and winter hardiness of thousands of plants
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25 plants
AmaryllidaceaeBlue Allium (Allium caeruleum): complete guide
Allium caeruleum
Discover the stunning azure flower heads of Blue Allium in your garden. This Asian bulb blooms early spring with celestial blue orbs. Full growing and care guide.
CampanulaceaeCampanula alpina: complete guide
Campanula alpina
Alpine bellflower: delicate chiming bells for rock gardens. Perfect groundcover for shady spots. Hardy alpina offers year-round greenery with blue flowers.
Incised bellflower: complete guide
Campanula excisa
Rare alpine bellflower with delicate blue flowers from the Swiss and Italian Alps. Perfect for rock gardens and alpine troughs, requires excellent drainage.
Italian Bellflower (Campanula fragilis): complete guide
Campanula fragilis
Discover the delicate blue flowers of Italian Bellflower. This alpine plant blooms in July-August. Growing guide for full sun and dry soil.
FabaceaeClitoria ternatea: complete guide
Clitoria ternatea
Clitoria ternatea, also known as Bluebellvine or Butterfly Pea, is a beautiful climbing plant with stunning blue flowers. Learn how to grow this unique plant in your garden.
FabaceaeCrotalaria verrucosa: complete guide
Crotalaria verrucosa
A tropical plant with blue flowers. Ideal for warm locations and borders. Tips for sowing and care.
Cynoglossum germanicum: complete guide
Cynoglossum germanicum
German hound's-tongue (Cynoglossum germanicum) is a hardy wildflower with blue flowers. Discover how to grow this woodland beauty in shade gardens and pollinator patches.
RanunculaceaeDelphinium glareosum: complete guide
Delphinium glareosum
Discover the Olympic larkspur, a stunning alpine flower with deep blue blooms. Perfect for sunny rock gardens and alpine sites with excellent drainage.
Austrian dragonhead: complete guide
Dracocephalum austriacum
Dracocephalum austriacum is a rare perennial with deep blue flowers on sunny limestone slopes. An outstanding choice for rock gardens and dry Mediterranean beds.
Echium arenarium: complete guide
Echium arenarium Guss.
Discover the charming coastal viper's bugloss from the Mediterranean. A compact plant with delicate blue flowers, perfect for sunny, dry front gardens.
Pyrenean viper's bugloss: complete guide
Echium asperrimum
Echium asperrimum is a striking biennial from the western Mediterranean with rough bristly stems and vivid blue flowers. A magnet for bees and a bold border plant.
GentianaceaeGentiana prostrata: complete guide
Gentiana prostrata
Gentiana prostrata, the Pygmy Gentian, is a tiny alpine gem with blue flowers. Discover growing and care tips for this miniature high-altitude plant.
BoraginaceaeScrambling Gromwell: complete guide
Glandora prostrata
Complete guide to Glandora prostrata (Scrambling Gromwell): a creeping subshrub with vivid azure-blue flowers for acidic, well-drained rock gardens.
AsparagaceaeHyacinthoides hispanica: complete guide
Hyacinthoides hispanica
Discover the Spanish bluebell: a stunning spring bloomer with vivid brilliant blue flowers. Growing guide with planting, blooming period and care tips.
Pale Forget-me-not (Myosotis stolonifera): complete guide
Myosotis stolonifera
Full guide to Myosotis stolonifera: habitat, soil, watering needs, pruning calendar, and companion plants for this creeping water forget-me-not.
PolemoniaceaePolemonium foliosissimum: complete guide
Polemonium foliosissimum
Polemonium foliosissimum is a vigorous Rocky Mountain perennial with blue-purple summer flowers that attract pollinators and thrive in borders.
LamiaceaeTeucrium fruticans: complete guide
Teucrium fruticans
Discover the Tree Germander, a Mediterranean shrub with silvery-green foliage and blue flowers. Learn all about care, location and hardiness.
AcanthaceaeThunbergia grandiflora: complete guide
Thunbergia grandiflora
Thunbergia grandiflora, commonly known as Bengal trumpet or blue skyflower, is a spectacular tropical climbing plant with large blue flowers. Learn cultivation in temperate climates.
Dark Speedwell: complete guide
Veronica opaca
Discover dark speedwell - an elegant blue flowering plant from Europe. Growing guide and care tips for your front garden.
PlantaginaceaeVeronica polita: complete guide
Veronica polita
Grey field speedwell: delicate annual with blue flowers for every garden. Cultivation, care, and design tips.
PlantaginaceaeSpiked Pyrenean speedwell: complete guide
Veronica ponae
Spiked Pyrenean speedwell is a rare mountain perennial with vivid blue flower spikes, native to the Pyrenees, suited to rock gardens and alpine beds.
PlantaginaceaeVeronica praecox: complete guide
Veronica praecox
Breckland speedwell: reliable perennial with sky-blue flowers for early spring. Cultivation and care.
PlantaginaceaeVeronica prostrata: complete guide
Veronica prostrata
Prostrate speedwell: low-growing groundcover with abundant blue flowers. Rock gardens and edging.
PlantaginaceaeFalse ivy-leaved speedwell: complete guide
Veronica sublobata
False ivy-leaved speedwell is a low European perennial with blue flowers, thriving in semi-shade under hedges and trees from March to October.