Flamegold rain tree (Koelreuteria elegans)

Flamegold rain tree

Also known as: Flamegold, Koelreuteria henryi dümmer

Flamegold rain tree(Koelreuteria elegans) is a decorative tree native to China, which is listed as a weed in much of the world. It is particularly harmful in Hawaii and Brisbane, Australia.

Scientific classification

Species

Flamegold rain tree (Koelreuteria elegans)

Maples, mangos, mahogany, citrus, and allies

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Perennial

Lifespan

Tree

Plant Type

Fall

Bloom Time

Mid summer, Late summer, Early fall

Harvest Time

15 m to 17 m

Plant Height

Deciduous

Leaf type

20 - 38 ℃

Ideal Temperature

Images of Flamegold rain tree

Culture

Interesting Facts

Like many plants, flamegold rain tree was imported into Australia for use as an ornamental plant during British rule. And, like many others, it escaped the gardens to become naturalized. Australia now considers it an environmental weed, particularly around the Brisbane area. It is also similarly problematic in Hawaii and Japan.

Name Story

Flamegold rain tree: The flamegold rain tree's genus, Koelreuteria, was named in honor of German botanist Joseph Gottlieb Koelreuter. Multiple similar trees fall into that genus, and it's not unusual for one to be confused for another. The specific epithet, elegans, is easier to guess, and simply means "elegant."

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Toxicity

Flamegold rain tree is mildly toxic to humans, cats, and dogs due to alkaloids in the leaves and seeds. Symptoms upon ingestion include nausea, vomiting, diarrhea, and possibly headaches or dizziness. For pets, signs may include physical discomfort and gastrointestinal upset. Prompt medical or veterinary care is advised if exposure occurs to prevent any poisoning incidents. Keep flamegold rain tree away from children and animals.

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Care Guide for Flamegold rain tree

Every 2 weeks

Water

Full sun

Sunlight

20 - 38 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Originating from regions with wet and dry seasons, flamegold rain tree adapts to fluctuating water availability. It is drought-tolerant when established, requiring watering biweekly. Thriving outdoors, flamegold rain tree performs best in temperate climates with seasonal rainfall that resembles its native habitat.

Fertilize: For flamegold rain tree, use balanced nutrition fertilizers in spring and mid-summer to enhance growth and blooms. Apply slow-release formulas, avoiding over-fertilization that harms roots. Adjust amounts seasonally; less during winter dormancy. Ensure even distribution around the drip line and water thoroughly after application for optimal results.

Pruning: Flamegold rain tree features vibrant yellow flowers and is best pruned in early spring. Key techniques include removing dead branches and thinning crowded areas for better airflow. This encourages healthy growth, maintains shape, and makes garden management easier.

Propagation: Flamegold rain tree is propagated via cuttings from semi-hardwood branches, including leaf nodes. Apply rooting hormone, plant in well-draining soil, and maintain consistent moisture. Mist regularly for humidity. Once rooted, acclimatize to the permanent location for optimal growth.

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Images of Flamegold rain tree

Culture

Toxicity

Care Guide for Flamegold rain tree

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