Cobb's Dendrochilum Plant Care
Dendrochilum cobbianum Rchb.f.
Updated · Sources · How we source care data
Coelogyne cobbiana, or Cobb's dendrochilum, described by Heinrich Gustav Reichenbach in 1880, is an epiphytic orchid occurring in the Philippines, growing on moss-covered trees. It can sometimes occur as a lithophyte growing on rocks at altitudes above 1200 m.
Every 7–10 days
Bright indirect light
60–80°F
60–80%
At a glance
How do you care for Cobb's Dendrochilum?
Plant Cobb's Dendrochilum in bright indirect light (USDA zones 13a) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 60–80°F (16–27°C). Fertilize it every 6 months during the growing season.
What Is the Cobb's Dendrochilum?
Cobb's Dendrochilum (Dendrochilum cobbianum) belongs to the Orchidaceae family within the Dendrochilum genus.
Cobb's Dendrochilum displays a tall, slender stems with multiple blooms growth habit, reaching up to 2 ft tall with a spread of approximately 1 ft. Cobb's Dendrochilum produces clusters of small, fragrant flowers in various colors.
Leaf size: approximately 6 inches.
How Often Should You Water a Cobb's Dendrochilum?
Water a young or newly planted Cobb's Dendrochilum every 7–10 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established shrubs mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.
Watering Frequency
Every 7–10 days
Until established; then in dry spells
What Light Does the Cobb's Dendrochilum Need?
Cobb's Dendrochilum thrives in bright indirect light. Avoid placing Cobb's Dendrochilum in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Cobb's Dendrochilum Prefer?
Dendrochilum cobbianum tolerates temperatures of 60–80°F. Cobb's Dendrochilum prefers humidity levels of 60–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
60–80°F
Humidity
60–80%
What Soil Mix Works Best for a Cobb's Dendrochilum?
Loose, well-draining orchid mix with bark and perlite. Good drainage is essential for Cobb's Dendrochilum to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Cobb's Dendrochilum?
Feed Cobb's Dendrochilum every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established shrubs in good soil often need little extra feeding, so let weak growth or pale foliage guide you.
Stop feeding by late summer so new growth can harden before winter.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
Where Should You Plant a Cobb's Dendrochilum?
Choose a spot with bright indirect light and loose, well-draining orchid mix with bark and perlite. Avoid low spots where water collects after rain.
Cobb's Dendrochilum is suited to USDA Zone 13a.
Plant container-grown or balled-and-burlapped shrubs in spring or early autumn, setting the root flare at soil level, and water well after planting.
How Far Apart Should You Plant a Cobb's Dendrochilum?
Cobb's Dendrochilum can spread to about 1 ft (0.3 m) and reach about 2 ft (1 m) tall. Space plants about 1 ft (0.3 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.
Planning a row or hedge? Try the plant spacing calculator.
How Do You Prune a Cobb's Dendrochilum?
Prune Cobb's Dendrochilum while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.
If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the shrub in one year.
How Do You Care for a Cobb's Dendrochilum in Winter?
Cobb's Dendrochilum is frost-tender (hardy to USDA zone 13). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.
How Do You Propagate a Cobb's Dendrochilum?
Cobb's Dendrochilum can be propagated through division, back bulbs, keiki propagation. Similar propagation techniques also apply to dendrochilum anfractum plant care, which shares the same genus.
Is the Cobb's Dendrochilum Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Cobb's Dendrochilum, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Cobb's Dendrochilum?
Cobb's Dendrochilum is susceptible to aphids, scale insects, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Cobb's Dendrochilum Need?
Cobb's Dendrochilum grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. In cooler regions, grow Cobb's Dendrochilum as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Cobb's Dendrochilum is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Dendrochilum genus (family Orchidaceae) — search all Dendrochilum species in the plant lookup.
Cobb's Dendrochilum thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Dendrochilum cobbianum Rchb.f., family Orchidaceae (first published in Gard. Chron. , n.s., 14: 748 (1880)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Cobb's Dendrochilum, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 13a, calculated from the plant's minimum temperature.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
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