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Garden Plants

Growing guides for garden plants — soil, sun, hardiness, pruning and pests.

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Bitter Gourd (Momordica charantia)Cucurbitaceae

Bitter Gourd

Momordica charantia

Momordica charantia, commonly known as Bitter Gourd or Bitter Melon, is a tropical and subtropical herbaceous vine. It belongs…

Diabetes Mellitus (Type 2)HyperglycemiaHigh Cholesterol
Black Hellebore (Helleborus niger)Ranunculaceae

Black Hellebore

Helleborus niger

Helleborus niger, widely recognized as the Black Hellebore or Christmas Rose, is a captivating perennial herb within the…

Historically associated with constipationTraditionally applied for amenorrheaFolk remedy for dropsy (edema)
Black Hollyhock (Alcea rosea nigra)Malvaceae

Black Hollyhock

Alcea rosea nigra

Alcea rosea nigra, commonly known as the Black Hollyhock, is a distinguished cultivar within the Malvaceae family. It is…

InflammationColorectal Cancer (adjunctive)Sore Throat
Black Mondo Grass (Ophiopogon planiscapus)Asparagaceae

Black Mondo Grass

Ophiopogon planiscapus

Ophiopogon planiscapus is widely known as Black Mondo Grass. It is a striking perennial herb native to the temperate regions of…

Dry coughChronic thirstDry throat
Black Tupelo (Nyssa sylvatica)Nyssaceae

Black Tupelo

Nyssa sylvatica

Nyssa sylvatica, commonly known as Black Tupelo, Black Gum, or Sour Gum, is a distinguished deciduous tree indigenous to the…

Skin irritationsMinor woundsGastrointestinal upset (mild)
Black-Eyed Susan (Rudbeckia hirta)Asteraceae

Black-Eyed Susan

Rudbeckia hirta

Rudbeckia hirta, widely known as Black-Eyed Susan, is a captivating and resilient North American wildflower, distinguished by…

ColdsFluInflammation
Black-Eyed Susan Vine (Thunbergia alata)Acanthaceae

Black-Eyed Susan Vine

Thunbergia alata

Thunbergia alata is widely known as Black-Eyed Susan Vine or Clock Vine. It is an exquisite and vigorous twining climber in the…

Skin disordersFeverInflammation
Blackberry Bush (Rubus fruticosus)Rosaceae

Blackberry Bush

Rubus fruticosus

Rubus fruticosus, commonly known as the Blackberry Bush, is not a single species. Instead, it is a complex aggregate of numerous…

DiarrheaSore throatInflammation
Blanket Flower (Gaillardia pulchella)Asteraceae

Blanket Flower

Gaillardia pulchella

Gaillardia pulchella, commonly known as Blanket Flower or Indian Blanket, is a strikingly beautiful annual or short-lived…

InflammationFeversSkin infections (minor)
Blazing Star (Liatris spicata)Asteraceae (Daisy family)

Blazing Star

Liatris spicata

Liatris spicata is commonly recognized as Blazing Star, Gayfeather, or Dense Blazing Star. It is an iconic herbaceous perennial…

InflammationEdemaCoughs
Bleeding Heart (Lamprocapnos spectabilis)Papaveraceae

Bleeding Heart

Lamprocapnos spectabilis

Lamprocapnos spectabilis, commonly known as Bleeding Heart, is a captivating perennial herb renowned for its strikingly…

Pain Management (research focus)Muscle Spasms (in vitro studies)Microbial Pathogens (sanguinarine activity)
Bletilla Striata (Bletilla striata)Orchidaceae

Bletilla Striata

Bletilla striata

Bletilla striata, commonly known as the Hyacinth Orchid or Chinese Ground Orchid, is a fascinating terrestrial orchid native to…

HematemesisHemoptysisTraumatic bleeding
Bloodgood Japanese Maple (Acer palmatum Bloodgood)Sapindaceae

Bloodgood Japanese Maple

Acer palmatum Bloodgood

Acer palmatum 'Bloodgood', commonly known as the Bloodgood Japanese Maple, is a highly esteemed deciduous tree. People prize it…

Oxidative StressInflammationCellular Damage
Blue Angel Hosta (Hosta blue Angel)Asparagaceae

Blue Angel Hosta

Hosta blue Angel

Hosta 'Blue Angel' is a highly acclaimed ornamental cultivar. Gardeners celebrate it for its striking, architectural presence in…

Inflammatory conditions (traditional, genus-specific application)Edema and fluid retention (traditional diuretic effects, genus-specific)Minor swellings (traditional topical use, genus-specific)
Blue Candle Cactus (Myrtillocactus geometrizans)Cactaceae

Blue Candle Cactus

Myrtillocactus geometrizans

Myrtillocactus geometrizans, widely known as the Blue Candle Cactus or Bilberry Cactus, is a visually striking columnar cactus.…

Oxidative stressDigestive issues (constipation)Chronic disease risk (reduction)
Blue Fescue (Festuca glauca)Poaceae

Blue Fescue

Festuca glauca

Festuca glauca, commonly known as Blue Fescue, is a captivating perennial grass celebrated for its distinctive, fine-textured,…

No direct medicinal claims for human diseasesEcological benefit: soil erosionEcological benefit: habitat degradation (through stabilization)
Blue Grama (Bouteloua gracilis)Poaceae

Blue Grama

Bouteloua gracilis

Bouteloua gracilis, commonly known as Blue Grama, is a quintessential perennial, warm-season grass belonging to the Poaceae…

Digestive Health SupportNutritional Deficiencies (indirectly)Ecosystem Health (indirectly human health)
Blue Jacaranda (Jacaranda mimosifolia)Bignoniaceae

Blue Jacaranda

Jacaranda mimosifolia

Jacaranda mimosifolia, commonly known as the Jacaranda tree, blue jacaranda, or black poui, is a magnificent deciduous to…

InflammationBacterial infectionsFungal infections
Blue Sage (Salvia patens)Lamiaceae

Blue Sage

Salvia patens

Salvia patens, commonly known as Gentian Sage or Spreading Sage, is a captivating herbaceous perennial. Gardeners cherish it for…

Oxidative StressInflammationMinor Infections (topical)
Blue Spruce (Picea pungens)Pinaceae

Blue Spruce

Picea pungens

The Blue Spruce, scientifically designated as Picea pungens, is a stately coniferous evergreen tree. People celebrate it for its…

Respiratory congestionCoughsMinor skin irritations
Blue Star (Amsonia tabernaemontana)Apocynaceae

Blue Star

Amsonia tabernaemontana

Amsonia tabernaemontana, widely recognized as Blue Star or Eastern Bluestar, is an enchanting herbaceous perennial belonging to…

Inflammatory conditions (traditional/research interest)Minor skin irritations (traditional topical)Wound care (traditional topical)
Bluebeard (Caryopteris clandonensis)Lamiaceae

Bluebeard

Caryopteris clandonensis

Caryopteris x clandonensis, commonly known as Bluebeard, Blue Mist Shrub, or Blue Spirea, is a captivating deciduous shrub…

No established medicinal usesNot utilized for disease treatmentLacks documented therapeutic applications
Bluebell (Jasione laevis)Campanulaceae

Bluebell

Jasione laevis

Jasione laevis, commonly known as Sheep's Bit Scabious or Blue Bonnets, is an enchanting perennial wildflower belonging to the…

None documentedNot a medicinal plantNo proven therapeutic uses
Bluebell Flower (Trachelium caeruleum)Campanulaceae

Bluebell Flower

Trachelium caeruleum

Trachelium caeruleum, commonly known as Blue Throatwort or Blue Lace Flower, is an exquisite member of the Campanulaceae family,…

No documented human diseases cured by Trachelium caeruleumPrimarily ornamental plantNot used medicinally