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Colchicaceae VINE BOTH Placement Primary: Ornamental Medicinal Other

Gloriosa Lily

Gloriosa superba

Identified By Marcs

Gloriosa superba, commonly known as the flame lily or glory lily, is a stunning tuberous climbing plant celebrated for its exceptionally striking, flamboyant flowers featuring reflexed petals that resemble tongues of fire, shifting in color from yellow to vibrant red. Native to tropical Africa and Asia, this striking perennial vine utilizes tendrils at the tips of its leaves to scale surrounding vegetation and trellises. While widely cultivated as an ornamental garden specimen for its exotic aesthetic value, all parts of the plant, especially the tubers, contain highly toxic colchicine alkaloids, making it extremely dangerous to humans and animals if ingested. It thrives in warm, humid climates with well-draining soil and a distinct resting period during the cooler or drier months of the year.

Also known as: Flame Lily Climbing Lily Glory Lily Fire Lily

Toxicity & Safety

Is Gloriosa Lily toxic to pets?

Yes, toxic to pets.

Gloriosa lilies are severely toxic to household pets, including cats, dogs, and horses. Every part of the plant, particularly the underground tubers, contains potent colchicine and other dangerous alkaloids. Ingestion by pets can lead to severe gastrointestinal distress, drooling, vomiting, bloody diarrhea, shock, multi-organ failure, and potentially death. Immediate veterinary intervention is critical if a pet is suspected of chewing on or swallowing any portion of this plant.

Is Gloriosa Lily toxic to humans?

Yes, toxic to humans.

Gloriosa superba is highly toxic to humans if ingested, due to the high concentration of colchicine and gloriosine alkaloids present throughout the entire plant, with the highest concentrations found in the tubers. Accidental or intentional ingestion can cause severe burning of the mouth and throat, bloody vomiting, profuse watery diarrhea, abdominal pain, kidney failure, bone marrow depression, and respiratory failure. Contact with the sap can also cause skin irritation or allergic reactions in sensitive individuals. Medical attention must be sought immediately in cases of poisoning.

Is Gloriosa Lily safe during pregnancy?

Caution advised during pregnancy.

Due to the potent cytotoxic and antimitotic properties of colchicine found within Gloriosa superba, the plant is extremely dangerous during pregnancy. Ingestion or systemic exposure can cause severe uterine contractions, induce miscarriage, or cause profound teratogenic developmental defects in the fetus. Pregnant women should completely avoid handling, consuming, or utilizing any extracts derived from this plant.

Growth & Dimensions

Height 100 - 300 cm
Width 50 - 150 cm
Growth Rate Fast
Care Level Moderate
Lifespan Perennial

Ideal Environment

Temperature 15°C - 30°C
Sunlight Hours 6 - 10 hrs/day
Sun Exposure Full sun
Soil pH 5.5 - 7
Watering Interval 5 - 10 days
Humidity 50.00% - 80.00%
USDA Zone 9a - 11b

Tropical and Subtropical Climates

Climate: Thrives in warm, humid tropical and subtropical environments with distinct wet and dry seasons, requiring frost-free conditions.

Soils: Loam Sandy Loam Potting Mix
Annual Rainfall: 1000 - 2500 mm

Native Regions

Tropical Africa
Tropical Asia

How to Care for Gloriosa Lily

How should I handle watering instructions?

During the active growing and flowering season, water the Gloriosa lily regularly to keep the soil consistently moist but never waterlogged. Allow the top few centimeters of soil to dry out slightly between watering sessions. Once the flowering period finishes and the foliage begins to yellow and die back naturally, drastically reduce watering. Keep the tubers completely dry during their winter dormancy period to prevent fatal rotting.

How should I handle sunlight requirements?

Gloriosa lilies thrive best when placed in bright, direct sunlight for at least six to eight hours each day. If grown indoors, position the container near a south-facing or west-facing window where it can receive maximum natural light. Insufficient light exposure will result in weak, spindly stems and significantly reduced or absent flower production, diminishing the brilliant display of its fiery blooms.

How should I handle soil and fertilization?

Plant your Gloriosa lily in a rich, organic, and exceptionally well-draining potting mix or garden soil with a slightly acidic to neutral pH ranging between 5.5 and 7.0. Feed the plant every two weeks during the active spring and summer growing season using a balanced, water-soluble fertilizer formulated for flowering plants to promote robust growth and vibrant, long-lasting blossoms.

How to Propagate Gloriosa Lily

How to propagate Gloriosa Lily by division?

Propagating Gloriosa lilies through tuber division is best performed during the plant's winter dormancy period. Carefully dig up the dormant tubers and gently break or cut them apart at the natural joints, ensuring that each individual division possesses at least one visible, healthy growing eye or bud. Dust the cut surfaces with a sulfur or fungicide powder to prevent fungal infection during storage or replanting. Plant the separated tubers horizontally about 5 to 10 centimeters deep in pots filled with fresh, well-draining sandy loam soil. Keep the soil barely moist in a warm location until spring temperatures trigger new shoot emergence, after which regular watering and bright sunlight can be safely resumed.

Common Diseases & Pests of Gloriosa Lily

What is Tuber Rot and how is it treated?

Fungal
Symptoms:

Tuber rot manifests as sudden wilting of the above-ground vine, yellowing foliage, and a soft, mushy, foul-smelling texture when inspecting the underground tubers. This typically happens when the plant is kept in excessively wet or poorly draining soil during dormancy.

Treatment:

Immediately dig up the tubers, carefully cut away any soft or decayed sections using a sterilized knife, treat the cuts with a fungicidal powder, and allow them to dry before replanting in fresh, well-draining soil.

Prevention:

Ensure planting media has excellent drainage and completely withhold water during the winter dormancy period to keep the tubers dry and safe from fungal pathogens.

What is Aphids and how is it treated?

Pest
Symptoms:

Aphids appear as small, soft-bodied green, black, or brown insects clustering on tender new growth, stem tips, and flower buds. Infested plants show distorted leaf growth, stunted shoots, and sticky honeydew residue that can attract secondary fungal mold.

Treatment:

Wash the pests off the plant using a strong stream of water or treat affected areas thoroughly by spraying with insecticidal soap or horticultural neem oil, ensuring coverage under leaves.

Prevention:

Regularly inspect the vine for early signs of infestation, maintain good air circulation around the plant, and avoid excessive nitrogen fertilization which tends to attract sap-sucking pests.

Properties & Benefits of Gloriosa Lily

Bears Fruit

Key Nutrients / Compounds

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