The rainbow tree (Dracaena angustifolia) is native to Asia and is a member of the asparagus family that grows in the understories of tropical forests. Ornamentally, it can function both as an indoor and outdoor shrub. Substances from the rainbow tree can be used to create green dye.
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Toxic to Pets
Toxicity
Perennial
Lifespan
Shrub
Plant Type
Summer
Bloom Time
3 m
Plant Height
1.5 m
Spread
2 cm
Flower Size
Yellow, Green
Flower Color
Evergreen
Leaf type
20 - 38 ℃
Ideal Temperature
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Distribution
Culture
Toxicity
Care Guide
FAQs
Common Diseases
Images of Rainbow tree
Distribution of Rainbow tree
Distribution Map
Rainbow tree, known scientifically as 'Dracaena angustifolia', is naturally found in diverse habitats across Southeast Asia and parts of East Asia. Its range, originally spanning tropical and subtropical areas, has been extended through introduction to select regions in the Indian Ocean and Central America. Notably, rainbow tree is now cultivated in various other locales, indicating its adaptability and increasing geographical spread.
Native
Cultivated
Invasive
Introduced
No species reported
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Habitat
Forests, Thickets
Hemisphere Trend Curve
Northern
Sorthern
Culture
Name Story
Dracaena: Its generic name Dracaena is derived from the Greek word drakaina, meaning female dragons, which can also refers to the source of dragon’s blood (as it can shed juice like dragon’s blood).
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Toxicity
Rainbow tree contains saponins, causing mild toxicity if ingested by humans, cats, and dogs. Common symptoms include nausea, vomiting, and diarrhea. Immediate veterinary care is crucial if pets ingest the plant. All parts of rainbow tree are toxic and can cause gastrointestinal upset and physical discomfort.
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Water:
Rainbow tree thrives in high humidity and consistent moisture. Weekly watering is ideal, supplemented by misting indoors. While drought-tolerant, it prefers stable moisture. During the growing season, increased water may be needed due to active growth and higher transpiration rates.
Fertilize:
For rainbow tree, use high-nitrogen fertilizers quarterly, following manufacturer guidelines for potted plants. Feed regularly in spring and summer, reducing to biannual applications in fall and withholding in winter. Water rainbow tree before and after fertilizing to enhance nutrient uptake and avoid over-fertilization.
Pruning:
Rainbow tree has long, narrow leaves, valued for its decorative appeal. Prune in early to late winter to maintain shape and encourage growth. Remove dead leaves and trim leggy stems for fullness. Use clean, sharp tools for cuts above leaf nodes to enhance appearance and air circulation.
Propagation:
To propagate rainbow tree, use stem cuttings from healthy stems with one or two leaf nodes. Allow the cut end to callous, then plant in well-draining soil. Keep the soil moist and provide bright, indirect light; rooting may take several weeks.
Repotting:
Repot rainbow tree every 2-3 years in spring using a pot 2-3 inches larger for root expansion. Provide bright, indirect light post-repotting and avoid overwatering to prevent root rot. Regular repotting ensures rainbow tree's foliage remains vibrant and lush.
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