Bulbophyllum occultum — a hard houseplant, prefers partial sun light
SPECIMEN · FROM THE LIBRARY
Bulbophyllum occultum

Bulbophyllum Occultum

Updated · 46 observations
ON THIS PLANT

Bulbophyllum occultum is a species of orchid in the genus Bulbophyllum.

A note from PlantMom

Bulbophyllum occultum typically displays good resistance to diseases and is subject to relatively few insect pests. Its care is considered challenging because it needs high humidity while also having strong ventilation and low levels of harmful pathogens. Too much watering can cause root rot. While anyone can grow Bulbophyllum occultum, more cultivation experience is required to keep it healthy and get it to flower again.

— PlantMom
CARE GUIDE

How to keep Bulbophyllum Occultum.

Light

Bulbophyllum occultum occurs naturally in habitats like forest understories or rocky areas, where it grows in natural shade. It prefers partial sun but can adjust to full sun or full shade, illustrating its versatile and hardy nature.

Temperature

Bulbophyllum occultum does well in warm conditions. It prefers moderately high temperatures but not extreme heat or humidity. Sunlight helps warm the plant and stimulates flowering. However, prolonged direct sun in summer can cause sunburn, so the amount of light should be limited during that season. The plant typically does not tolerate cold and needs adequate protection and higher temperatures in winter to avoid freezing.

Fertilizer

Proper fertilization is essential for Bulbophyllum occultum's health and appearance. Fertilize Bulbophyllum occultum during summer, repeating the application monthly throughout the season. Nutrients fuel growth and sustain the plant's tissues. Fertilization improves Bulbophyllum occultum's flower display, ensuring the best blooms.

Pot & Repot

When repotting Bulbophyllum occultum, select a pot slightly larger than the current one with good drainage, ideally a clear orchid pot. Use a well-draining, orchid-specific medium that contains bark or moss. Gently clean the roots and trim any that are dead or rotting. Repot after flowering, typically in spring or fall, water thoroughly, and keep it in bright, indirect light. Avoid disturbing the roots once repotted.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Perennial
Genus
Bulbophyllum
Family
Orchidaceae
Hardiness Zone
10-12
Mature Height
10 cm to 20 cm
Mature Spread
15 cm to 25 cm
Leaf Color
Dark Green
Leaf Type
Evergreen
Flower Color
Yellow, Orange
Flower Size
1.02 cm to 2.03 cm
Bloom Time
Summer, Early fall, Mid fall
Planting Time
Spring, Summer
Harvest Time
Late summer, Fall, Early winter
Native Area
Madagascar
PLATES
Bulbophyllum occultum leaf
PLATE 01 · leaf
Bulbophyllum occultum leaf
PLATE 02 · leaf
Bulbophyllum occultum flower
PLATE 03 · flower
Bulbophyllum occultum flower
PLATE 04 · flower
Bulbophyllum occultum fruit
PLATE 05 · fruit
Bulbophyllum occultum fruit
PLATE 06 · fruit
ALSO IN THE LIBRARY

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