Blue potato bush (Lycianthes rantonnetii) is an evergreen shrub that was once considered to be part of the nightshade family. It is native to South America, but it is also cultivated in many gardens around the world for its vibrant purple-blue flowers which mature into bright red berries.
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Perennial
Lifespan
Shrub
Plant Type
Green
Leaf Color
2.5 cm
Flower Size
Red
Fruit Color
Purple, Blue
Flower Color
Green, Blue
Stem Color
Winter dormancy
Dormancy
Evergreen
Leaf type
20 - 38 ℃
Ideal Temperature
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Distribution
Culture
Toxicity
Care Guide
FAQs
Common Diseases
Images of Blue potato bush
Distribution of Blue potato bush
Distribution Map
Blue potato bush is native to the major region of South America, particularly in the Andean range. It has been introduced and cultivated in various other parts of the world, notably within regions that include the Caribbean, Central America, parts of southern Europe, South Asia, and Oceania. Blue potato bush's adaptability has allowed it to become established beyond its original range.
Native
Cultivated
Invasive
Introduced
No species reported
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Habitat
Garden
Hemisphere Trend Curve
Northern
Sorthern
Flowering
Fruiting
Culture
Garden Use
Blue potato bush is highly valued for its abundant purple-blue blossoms. This species is often grown ornamentally as a backdrop for smaller shrubs or as a climbing species along garden walls and fences. The bush also attracts bees and hummingbirds.
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Toxicity
Blue potato bush is moderately toxic to humans, cats, and dogs. Ingestion of any part can cause symptoms like nausea, vomiting, and diarrhea in humans, and similar distress in animals. Supervision is crucial around children and pets to prevent accidental poisoning. Seek immediate veterinary care if cats or dogs ingest blue potato bush to mitigate health complications.
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Water:
Blue potato bush prefers well-drained soil and moderate humidity, thriving with watering every 1-2 weeks. This evergreen plant, native to South America, requires careful watering during the growing season to support its foliage and blooms.
Fertilize:
For blue potato bush, use a balanced nutrition fertilizer every 4-6 weeks during the growing season, reducing frequency in winter. Follow product guidelines for dosage, and water blue potato bush before feeding to prevent root burn. Adjust applications seasonally, and wear gloves for safety.
Pruning:
Pruning blue potato bush in late spring after flowering promotes new growth and blooms. Remove dead branches and shape the plant for vigor. Regular maintenance enhances foliage health and aesthetics. Use clean, sharp tools to prevent disease and ensure quick healing.
Propagation:
Blue potato bush is an ornamental shrub with vibrant blue flowers, propagated through 4-6 inch non-flowering stem cuttings. Use rooting hormone and plant in well-draining soil, maintaining consistent moisture. Warm temperatures and indirect light support rooting, which may take several weeks.
Repotting:
Repot blue potato bush every 2-3 years in spring to maintain its bushy form, using containers slightly larger than before. After repotting, provide ample sunlight and regular watering to support healthy recovery, promoting a flourishing blue potato bush with vibrant blooms.
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