Cymbidium dayanum — a hard houseplant, prefers partial sun light
SPECIMEN · FROM THE LIBRARY
Cymbidium dayanum

Cymbidium Dayanum

Updated · 4 observations
ON THIS PLANT

Cymbidium dayanum, the tree orchid, is a species of orchid that is widespread in Southeast Asia.

A note from PlantMom

Day's cymbidium typically exhibits strong resistance to disease and encounters relatively few insect pests. Its care is considered difficult because it demands high humidity combined with good ventilation and a low presence of harmful pathogens. Too much watering can result in root rot. Although anyone can grow Day's cymbidium, keeping it healthy and getting it to bloom again requires more cultivation experience.

— PlantMom
CARE GUIDE

How to keep Cymbidium Dayanum.

Light

Day's cymbidium is native to 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, showing its versatile and hardy nature.

Water

Day's cymbidium thrives in high humidity and needs to be watered regularly, about once a week. It has low drought tolerance, so it is usually grown indoors. As an evergreen plant, Day's cymbidium grows consistently throughout the year. However, to keep its foliage vibrant and healthy, it requires adequate moisture.

Temperature

Day's cymbidium does well in warm settings. It prefers moderately high temperatures but not extreme heat and humidity. Sunlight warms the plant and encourages flowering. However, long periods of direct sun in summer can cause sunburn, so its exposure should be limited during that season. The plant typically tolerates cold poorly, so it needs adequate protection and warmer conditions in winter to prevent freezing.

Fertilizer

Proper fertilization is essential for Day's cymbidium's health and appearance. Fertilize Day's cymbidium in summer, repeating the application monthly throughout the season. Nutrients supply energy for growth and help maintain the plant's parts. Fertilization improves Day's cymbidium's flower display, ensuring the best blooms.

Pruning

The day’s cymbidium displays stunning blooms and lush foliage. To encourage future blossoms, prune the plant from early to late spring. During pruning, focus on removing spent flowers and yellowing leaves, but be careful to avoid cutting any new growth. This practice enhances air circulation and light penetration, reduces the risk of disease, and fosters vigorous growth and vibrant flowers.

Pot & Repot

When repotting Day's cymbidium, select a slightly larger pot with good drainage—ideally a clear orchid pot. Use an orchid-specific, well-draining medium containing bark or moss. Carefully clean the roots and remove any that are dead or rotting. Repot after the flowers have finished, typically in spring or fall; water thoroughly afterward and place the plant in bright, indirect light. Once repotted, avoid disturbing the roots.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Perennial
Genus
Cymbidium
Family
Orchidaceae
Hardiness Zone
9-11
Mature Height
61 cm
Mature Spread
30 cm to 49 cm
Leaf Color
Green
Leaf Type
Evergreen
Flower Color
White
Flower Size
4.06 cm to 5.08 cm
Bloom Time
Late winter, Early spring, Mid spring
Planting Time
Spring, Summer, Autumn
Harvest Time
Late spring, Early summer, Mid summer
Native Area
India, Malaysia, Indonesia, Cambodia, Vietnam, Myanmar, Japan, Philippines, Bhutan, Laos, Thailand, China
ALSO KNOWN AS

Other names.

en Orchid
PLATES
Cymbidium dayanum leaf
PLATE 01 · leaf
Cymbidium dayanum flower
PLATE 02 · flower
Cymbidium dayanum habit
PLATE 03 · habit
ALSO IN THE LIBRARY

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