This list includes 46 Flowers that start with B, from “Baby’s-breath” to “Butterfly weed”. They are mostly ornamental and wild species used in gardens, bouquets, meadows, and pollinator plantings.
Flowers that start with B are a diverse group of showy plants sharing an initial letter. Many have cultural roles, such as Baby’s-breath in bridal bouquets or Butterfly weed supporting butterflies.
Below you’ll find the table with scientific name, colors, locations, and season.
Scientific name: The binomial lets you confirm the exact species and find detailed plant information across references.
Colors: Lists principal flower colors so you can plan palettes for gardens and floral arrangements.
Locations: Notes native and widely naturalized regions so you can understand climate suitability and origin.
Season: Gives typical flowering months or seasons, noting hemisphere differences so you can time planting and displays.
Flowers that start with B
| Common name | Scientific name | Colors | Locations & season |
|---|---|---|---|
| Begonia | Begonia ×semperflorens-cultorum | pink, red, white | Neotropics; naturalized: warm regions; Jun–Sep N |
| Bluebell | Hyacinthoides non-scripta | blue | Western Europe; naturalized: N America; Apr–May N |
| Bellflower | Campanula carpatica | blue, purple, white | Europe; naturalized: N America; May–Jul N |
| Black-eyed Susan | Rudbeckia hirta | yellow, orange | N America; naturalized: Europe; Jun–Sep N |
| Buttercup | Ranunculus acris | yellow | Europe & Asia; naturalized: N America; Apr–Jun N |
| Bougainvillea | Bougainvillea glabra | magenta, pink, white | Native: Brazil; naturalized: tropics worldwide; Year-round in frost-free; Mar–Nov N |
| Borage | Borago officinalis | blue, pink, white | Mediterranean; naturalized: worldwide; Jun–Sep N |
| Butterfly bush | Buddleja davidii | purple, pink, white | China; naturalized: N America, Europe; Jul–Sep N |
| Butterfly weed | Asclepias tuberosa | orange, yellow | N America; Jun–Aug N |
| Balsam | Impatiens balsamina | pink, red, white | S Asia; naturalized: tropics; Jul–Oct N |
| Bleeding heart | Dicentra spectabilis | pink, white | Asia; cultivated worldwide; Apr–Jun N |
| Bluebonnet | Lupinus texensis | blue, white | Texas & SW USA; Apr–May N |
| Bachelor’s button | Centaurea cyanus | blue, pink, white | Europe; naturalized: N America; May–Jul N |
| Baby’s-breath | Gypsophila paniculata | white, pink | Eurasia; naturalized: N America; Jun–Aug N |
| Bee balm | Monarda didyma | red, pink, purple | N America; Jul–Aug N |
| Belladonna | Atropa belladonna | purple | Europe, N Africa, W Asia; Jun–Aug N |
| Bladder campion | Silene vulgaris | white | Europe; naturalized: N America; May–Aug N |
| Balloon flower | Platycodon grandiflorus | blue, white, pink | East Asia; Jun–Aug N |
| Bergenia | Bergenia cordifolia | pink, white | Central Asia; cultivated worldwide; Mar–May N |
| Black-eyed Susan vine | Thunbergia alata | orange, yellow, white | Tropical Africa; naturalized: tropics/subtropics; Jun–Oct N |
| Bird of paradise | Strelitzia reginae | orange, blue | South Africa; cultivated: subtropics; Year-round in frost-free; Sep–Apr N |
| Bridal wreath | Spiraea prunifolia | white, pink | Asia; cultivated: temperate regions; Apr–May N |
| Brunnera | Brunnera macrophylla | blue, white | Caucasus; cultivated worldwide; Apr–May N |
| Blue flax | Linum lewisii | blue, pink, white | Western N America; May–Jul N |
| Bloodroot | Sanguinaria canadensis | white | Eastern N America; Mar–Apr N |
| Bottlebrush | Callistemon citrinus | red | Australia; naturalized: warmer regions; Sep–Dec N |
| Butterfly pea | Clitoria ternatea | blue, white | Tropical Asia; naturalized: tropics; Jun–Sep N |
| Brugmansia | Brugmansia ×candida | white, pink, yellow | Arid S America; cultivated: tropics/subtropics; Summer–Autumn N |
| Butterbur | Petasites hybridus | pink, white | Europe & Asia; Mar–Apr N |
| Bee orchid | Ophrys apifera | pink, brown | Europe; May–Jun N |
| Bitterroot | Lewisia rediviva | pink, white | W N America; Apr–Jun N |
| Beggar-ticks | Bidens ferulifolia | yellow, orange | N & Central America; Jun–Sep N |
| Banksia | Banksia integrifolia | yellow, cream | Australia; naturalized: subtropics; Winter–Spring N |
| Broom | Cytisus scoparius | yellow | Europe; naturalized: N America, Australasia; Apr–Jun N |
| Blazing star | Liatris spicata | purple, pink | N America; Jul–Sep N |
| Blue poppy | Meconopsis betonicifolia | blue | Himalayas; cultivated: cool temperate gardens; Jun–Aug N |
| Bugle | Ajuga reptans | blue, purple, white | Europe; naturalized: N America; Apr–Jun N |
| Butterfly ginger | Hedychium coronarium | white | Himalaya; naturalized: tropics; Jul–Sep N |
| Bluebeard | Caryopteris ×clandonensis | blue, purple | China; cultivated worldwide; Aug–Sep N |
| Bottle gentian | Gentiana andrewsii | blue, purple | N America; Aug–Oct N |
| Bog rosemary | Andromeda polifolia | pink, white | Boreal N Hemisphere; May–Jul N |
| Blue star | Amsonia tabernaemontana | blue | N America; Apr–May N |
| Bat flower | Tacca chantrieri | black, purple | Southeast Asia; cultivated in warm houses; Spring–Summer N |
| Barberry | Berberis thunbergii | yellow | Japan; naturalized: N America, Europe; Apr–May N |
| Black locust | Robinia pseudoacacia | white | SE USA; naturalized: other continents; May–Jun N |
| Bottlebrush buckeye (common name begins with B) | Aesculus parviflora | white | Southeastern USA; May–Jun N |
Descriptions
Begonia
Popular bedding plant, 6–30 cm tall; shade-loving, tuberous or fibrous-rooted; great for borders and containers, needs consistent moisture and dappled light.
Bluebell
Woodland spring bulb, 10–30 cm tall; fragrant, nodding bell clusters; good for shade bulbs and naturalizing under trees.
Bellflower
Low clump-forming perennial to 20–30 cm; cup-shaped blooms for borders and rock gardens; prefers sun to part shade.
Black-eyed Susan
Upright wildflower to 30–90 cm; iconic daisy-like blooms with dark centres; drought-tolerant, excellent for pollinators and cut flowers.
Buttercup
Meadow wildflower, 20–80 cm tall; glossy yellow flowers, common in grasslands; can be invasive in moist soils.
Bougainvillea
Vigorous woody vine with papery bracts; ideal for warm climates, trellises and containers; requires sun and good drainage.
Borage
Herbaceous annual, 30–60 cm tall; edible star-shaped flowers attract pollinators; self-seeds readily in sunny spots.
Butterfly bush
Shrubby, 1–3 m tall; long fragrant flower spikes loved by butterflies; can naturalize and is invasive in some regions.
Butterfly weed
Perennial milkweed to 30–60 cm; bright umbels for pollinators and monarch caterpillars; prefers dry, sunny soils.
Balsam
Annual bedding plant, 20–40 cm tall; showy single or double blooms; likes shade, moist, fertile soil.
Bleeding heart
Rhizomatous perennial, 60–90 cm tall; heart-shaped pendent flowers in spring; prefers cool, moist shade.
Bluebonnet
Annual/short-lived perennial, 30–60 cm; pea-family spikes, state wildflower of Texas; sun-loving and drought-tolerant once established.
Bachelor’s button
Annual classic for borders and dried flowers, 30–60 cm; easy from seed, attracts pollinators.
Baby’s-breath
Delicate airy sprays used as filler in bouquets; perennial to 60–100 cm; prefers alkaline, well-drained soil.
Bee balm
Aromatic perennial, 60–90 cm tall; tubular flowers attract bees and hummingbirds; can spread by rhizomes.
Belladonna
Perennial shrub to 1.5 m; striking bell-shaped flowers and poisonous berries; notable historically and toxic—handle with care.
Bladder campion
Upright perennial/annual to 30–60 cm; inflated calyxes and white blooms; common in meadows and roadsides.
Balloon flower
Clump-forming perennial, 30–60 cm; buds balloon before opening into star-shaped flowers; low-maintenance for borders.
Bergenia
Evergreen perennial, 20–40 cm; large leathery leaves and clusters of cup-shaped flowers; good for shade and groundcover.
Black-eyed Susan vine
Fast-growing twining annual/perennial vine with conspicuous dark-centred blooms; great on trellises in warm gardens.
Bird of paradise
Striking architectural perennial/houseplant to 1–2 m; crane-like blooms, needs sun and space.
Bridal wreath
Floriferous spring-flowering shrub to 1–2 m; clusters of small blooms ideal for borders and massing.
Brunnera
Shade-loving perennial, 20–40 cm; forget-me-not-like blue flowers and attractive foliage; great groundcover for moist shade.
Blue flax
Upright perennial, 30–60 cm; delicate five-petaled flowers for meadows and wild gardens; drought-tolerant and low-maintenance.
Bloodroot
Spring ephemeral to 10–20 cm; solitary white flowers and scalloped leaves; great for native shade gardens.
Bottlebrush
Shrubby tree to 3–6 m; distinctive brush-like flower spikes that attract birds; tolerant of coastal conditions.
Butterfly pea
Tropical vine or shrub with striking pea-shaped blue flowers used as a natural dye and in teas.
Brugmansia
Large fragrant trumpet-flower shrubs/trees to 3–4 m; showy pendulous blooms but highly toxic.
Butterbur
Bold-leaved perennial with early spring flower spikes; spreads aggressively via rhizomes—use for damp, naturalized areas.
Bee orchid
Terrestrial orchid with flowers mimicking bees to attract pollinators; 10–40 cm tall; interesting woodland or meadow species.
Bitterroot
Low alpine perennial, 5–15 cm; succulent leaves and shallow-rooted showy blooms; prized in rock gardens.
Beggar-ticks
Trailing annual bedding plant, 20–40 cm; daisy-like flowers that attract pollinators; excellent in containers.
Banksia
Coastal tree/shrub to 10 m with unique bottlebrush inflorescences; charismatic for wildlife gardens.
Broom
Upright deciduous shrub, 1–2.5 m; pea-like spring flowers; drought-tolerant but invasive in some regions.
Blazing star
Vertical perennial spike to 60–120 cm; excellent for borders and cutting gardens; attracts butterflies.
Blue poppy
Rare, striking perennial for cool, moist conditions; large satiny blue poppies prized by enthusiasts.
Bugle
Low spreading perennial groundcover, 5–15 cm; glossy leaves and spike flowers; great for shade and erosion control.
Butterfly ginger
Fragrant clump-forming perennial to 1–2 m; exotic white blooms in summer; prefers moist, rich soils.
Bluebeard
Woody aromatic shrub, 60–120 cm; late-summer blue flower spikes attract pollinators; prefers sun and well-drained soil.
Bottle gentian
Compact perennial to 30–60 cm with closed tubular flowers; pollinated by bumblebees that force entry.
Bog rosemary
Low bog shrub to 20–40 cm; small urn-shaped flowers in wet acidic habitats; specialized for peatland gardens.
Blue star
Clump-forming perennial, 60–90 cm; starry blue flowers and golden fall foliage; good for borders and pollinators.
Bat flower
Exotic understory perennial with dramatic bat-shaped dark bracts; grown as novelty houseplant or greenhouse oddity.
Barberry
Small spiny shrub to 1–2 m; bright yellow spring flowers and ornamental berries; tolerant and drought-resistant.
Black locust
Fast-growing tree to 20–30 m with fragrant pea-like white flower clusters; used for honey production and timber.
Bottlebrush buckeye (common name begins with B)
Multi-stemmed shrub to 3–4 m with showy white panicles; good for shady woodland gardens.
