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Hoya archboldiana
![Hoya archboldiana with huge bell-shaped pink-burgundy flowers [1]](https://gomagcdn.ro/domains2/eufloria.ro/files/product/original/hoya-archboldiana-eufloria-097687.png "Hoya archboldiana with huge bell-shaped pink-burgundy flowers [1]")
Hoya archboldiana — hoya with huge bell-shaped flowers (7-8 cm) intense pink with white corona. From Papua mountains, spectacular collection piece.
Pot diameter: fără ghiveci
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🌿 Hoya archboldiana — tropical bellflower from Papua
Hoya archboldiana is one of the most spectacular hoyas in the world, prized for its huge flowers — bell-shaped, up to 7-8 cm in diameter, intense pink to burgundy, with a contrasting white central corona. The species bears the name of explorer Richard Archbold, who led botanical collecting expeditions in Papua New Guinea in the 1930s.
Leaves are large, thick, fleshy, deep green with prominent central vein. It grows as a vigorous vine in the trees of mountain tropical forests. A showpiece for passionate collectors — the flowers instantly attract attention through size and color.
🌍 Origin and habitat
The mid to high altitude tropical forests (800-2000 m) of Papua New Guinea, in areas with high humidity (85-95%) and cool night temperatures (15-18°C).
🌱 How to care for it
Very bright indirect light (3000-6000 lux), even filtered morning light. High humidity (70-90%), daytime temperatures 20-26°C, nighttime 15-20°C for flowering. Very airy substrate: orchid bark + perlite + sphagnum + crib. Moderate watering, don't let roots stay wet for long.
🌸 Flowering
Large bell-shaped flowers (7-8 cm) in umbels of 3-8 blooms, intense pink to burgundy with white corona. Strong, sweet, chocolate-like fragrance.
🌿 Toxicity
Not toxic to cats, dogs or children. Safe Apocynaceae. The milky sap may irritate skin.
Is Hoya archboldiana toxic?
No, Hoya archboldiana is considered non-toxic for humans and pets.
How large are Hoya archboldiana flowers?
Flowers can reach 5–7 cm in diameter, among the largest in the Hoya genus. They are reddish-purple with lighter interiors, grouped in umbels of 10–20 blooms.
Does Hoya archboldiana need support?
Yes, it is a vigorous climbing species that can develop vines of 2–3 m. It requires a trellis, moss pole, or metal arch.
What humidity does Hoya archboldiana need?
Ideal humidity is 60–80%. It benefits from high humidity. A humidifier or pebble tray helps maintain optimal levels.
When does Hoya archboldiana bloom?
Hoya archboldiana blooms after maturation, usually after several years of growth. The flowering period is from spring to autumn. Peduncles are persistent.
How large are Hoya archboldiana flowers?
The flowers are among the largest in the Hoya genus, reaching 7-8 cm in diameter. They are bell-shaped, intense pink to burgundy, with a contrasting white central corona.
Who was Archbold?
Richard Archbold (1907-1976) was an American explorer and botanist who led several expeditions to Papua New Guinea in the 1930s-1940s, collecting thousands of botanical and zoological specimens.
Why does it need cooling at night?
In native habitat (800-2000 m altitude in Papua), nighttime temperatures drop to 15-18°C. This day/night difference is crucial for triggering flowering. Without cooling, the plant may refuse to bloom.
Is it toxic?
No, Hoya archboldiana is not toxic to cats, dogs or children. Apocynaceae is safe, but the milky sap may cause irritation to sensitive skin on direct contact.
Is it difficult to care for?
Moderately difficult. It requires high humidity, night cooling and very airy substrate. Not for beginners, but advanced collectors appreciate it for its spectacular flowers.
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