Plant Encyclopedia

Everything about care, pruning, watering and winter hardiness of thousands of plants

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161 plants

African lily displaying coarse grey-green foliage and spherical purple-blue flower headsAmaryllidaceae

Agapanthus praecox: complete guide

Agapanthus praecox

Agapanthus praecox or African lily is an elegant ornamental plant with striking purple-blue flower heads. Master cultivation, care and design tips here.

12 min
Blue chives Allium nutans displaying characteristic blue-violet flowersAmaryllidaceae

Allium nutans: complete guide

Allium nutans

Allium nutans, blue chives. Siberian garden plant with striking unique blue flowers. Ideal for dry sites and edible landscaping projects.

12 min
Italian alkanet with deep blue flowersBoraginaceae

Italian alkanet: complete guide

Anchusa azurea

Italian alkanet (Anchusa azurea) is a striking perennial with deep blue flowers. Learn how to grow this Mediterranean plant successfully in your garden.

12 min
Undulate Alkanet with purple and blue flowers in a Mediterranean landscapeBoraginaceae

Undulate Alkanet: complete guide

Anchusa undulata

Grow stunning Undulate Alkanet in your garden: location, soil, watering and care. A colourful Mediterranean choice for sunny gardens.

12 min
Blue Aphyllanthes plant with blue flowers along slender stemsAsparagaceae

Blue Aphyllanthes: complete guide

Aphyllanthes monspeliensis

Discover Blue Aphyllanthes, rare Mediterranean plant with fine stems and stunning blue flower clusters. Ideal for chalky, dry locations.

12 min
Dark columbine with blue nodding flowers in a rocky alpine setting, surrounded by ferns and creeping thymeRanunculaceae

Dark columbine: complete guide

Aquilegia atrata

Everything you need to know about growing Aquilegia atrata: ideal conditions, care tips, blooming season, and companion plants for this alpine beauty.

12 min
Aquilegia nigricans blue columbine flowers with spursRanunculaceae

Aquilegia nigricans: complete guide

Aquilegia nigricans

Bulgarian columbine displays elegant blue flowers in May-June with characteristic dark stems. This Carpathian alpine flower thrives in dappled shade with well-drained soil. Perfect for rock gardens.

12 min
Olympic columbine with elegant blue flowersRanunculaceae

Olympic columbine: complete guide

Aquilegia olympica

Olympic columbine (Aquilegia olympica) is an elegant alpine plant from Turkey and Iran. Learn cultivation, care, and exquisite beauty of this charming flower.

12 min
Aquilegia viscosa flower with blue petalsRanunculaceae

Aquilegia viscosa: complete guide

Aquilegia viscosa

Discover Aquilegia viscosa, a rare alpine columbine with exquisite blue flowers from French Cevennes. Growing and care guide.

12 min
Madwort in full bloom on a dry meadow, with low-growing blue flowers near the soil surfaceBoraginaceae

Madwort: complete guide

Asperugo procumbens

Discover everything about Madwort (Asperugo procumbens): blooming period, care, ideal location and companion plants for your garden.

12 min
Blue woodruff in full bloom on a sunny meadow, with delicate stems and star-shaped blue flowersRubiaceae

Blue woodruff: complete guide

Asperula arvensis

Grow Asperula arvensis successfully: sunlight, soil pH 7.5–8, watering tips, and companion plants. Ideal for dry, sunny gardens in USDA zones 7–9.

12 min
Sky-blue flowers of Aster tongolensisAsteraceae

Aster tongolensis: complete guide

Aster tongolensis

Himalayan aster with sky-blue flowers is a delightful alpine perennial ideal for borders with blooming through late summer.

12 min
Arabian pea with blue flowers and characteristic fragrant foliageFabaceae

Bituminaria bituminosa: complete guide

Bituminaria bituminosa

Discover Arabian pea (Bituminaria bituminosa), a Mediterranean legume with unique fragrance. Full care guide: location, soil, watering and maintenance for sustainable gardens.

12 min
Brunnera macrophylla with blue flowers and heart-shaped leaves in dappled shadeBoraginaceae

Great forget-me-not: complete guide

Brunnera macrophylla

Brunnera macrophylla, also known as Great forget-me-not, is a shade-loving perennial with heart-shaped leaves and spring blue flowers. Learn care, soil and planting tips.

12 min
Camassia quamash with blue flowers in dense racemesAsparagaceae

Camash (Camassia quamash): complete guide

Camassia quamash

Camassia quamash delivers stunning blue star-flower clusters in May-June. This North American bulb thrives effortlessly in moist soil. Ideal for borders, meadows, and wet corners.

12 min
Campanula americana with stately blue flowersCampanulaceae

Campanula americana: complete guide

Campanula americana

Discover the American bellflower, a slender perennial with stately blue flowers. Perfect addition to borders and cutting gardens.

12 min
Campanula arvatica plant with soft blue bell flowersCampanulaceae

Bellflower (Campanula arvatica): complete guide

Campanula arvatica

Campanula arvatica is a compact Spanish alpine flower with soft blue bells in July-August. Ideal for rock gardens, scree, and alpine containers. Dwarf grower with minimal care.

12 min
Delicate blue bellflower blooms in alpine landscapeCampanulaceae

Campanula baumgartenii: complete guide

Campanula baumgartenii

Baumgarten's bellflower is a rare alpine perennial with delicate blue flowers blooming in autumn. Expert care guide for hardiness, soil type, and gardening success.

12 min
Blue Carpathian harebells in full bloom on a sunny lawn edge between stonesCampanulaceae

Carpathian harebell: complete guide

Campanula carpatica

Learn how to grow Campanula carpatica in your garden. Full details on sun, soil, care, and ideal companion plants for this hardy bloomer.

12 min
Campanula garganica in full bloom on a sunny rock gardenCampanulaceae

Adriatic bellflower: complete guide

Campanula garganica

Everything you need to know about Campanula garganica: growth, care, ideal spot and planting partners. Perfect for rock gardens and front borders.

12 min
Campanula glomerata in full bloom with dense clusters of blue bell-shaped flowers in a sunny borderCampanulaceae

Dane's-blood: complete guide

Campanula glomerata

A detailed guide to growing and caring for Campanula glomerata, also known as Dane's-blood, with tips on planting, pruning and companion planting.

12 min
Tall spikes of blue bell-shaped flowers of Peach-bells swaying in a garden borderCampanulaceae

Peach-bells: complete guide

Campanula persicifolia

Campanula persicifolia, or Peach-bells, is a graceful perennial blooming from May to August. Learn how to grow and care for this elegant blue-flowered plant in your garden.

12 min
Delicate blue flowers of Campanula precatoria in mountain settingCampanulaceae

Campanula precatoria: complete guide

Campanula precatoria Timb.-Lagr.

Campanula precatoria is a rare alpine bellflower from the Pyrenees, prized for its delicate blue flowers and compact habit. Learn how to grow this exclusive mountain gem.

12 min
Blue bell flowers of Scheuchzer's bellflowerCampanulaceae

Scheuchzer's bellflower (Campanula scheuchzeri): complete guide

Campanula scheuchzeri

Discover Scheuchzer's bellflower, an elegant alpine campanula with blue flowers. Growing guide for rock gardens, troughs, and alpine beds.

12 min