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PlantSnap
Plant Care
Cooktown orchid
(Dendrobium biggibum)
Also Known As
Cooktown orchid, Biggibum orchid, Dendrobium orchid
About This Plant
Dendrobium biggibum is an epiphytic orchid species native to Australia. It has thin, cane-like stems that can grow up to 1 meter long and produce clusters of fragrant flowers. The flowers are usually white or pink with yellow centers and have a waxy texture. This plant species is popular for its ornamental value and is commonly used in floral arrangements.
Plant Care Instructions
Outdoor Size Range
Up to 1 meter
Light Requirements
Dendrobium biggibum requires bright, indirect light for optimal growth. It can tolerate some direct sunlight, but too much can burn the leaves and flowers.
Humidity Needs
Dendrobium biggibum prefers high humidity levels, around 60-70%. Misting the leaves and placing a tray of water near the plant can help increase humidity levels.
Fertilizing Schedule
Fertilize Dendrobium biggibum every 2-3 weeks during the growing season with a balanced orchid fertilizer. Reduce fertilization during the winter months when growth slows down.
Pruning Guidelines
Prune the cane-like stems of Dendrobium biggibum after flowering to promote new growth. Remove any dead or yellowing leaves and cut back any stems that have become too long or leggy.
Common Pests and Diseases
Common pests for Dendrobium biggibum include mealybugs, scale insects, and spider mites. Regularly inspect the plant for signs of infestation and treat with an appropriate insecticide if necessary.
Indoor Size Range
12-24 inches (30-60 cm)
Watering Schedule
Watering should be done when the potting mix is almost dry. This orchid species prefers to be slightly dry between waterings, but it should never completely dry out. Overwatering can lead to root rot and other problems.
Temperature Range
This orchid species prefers warm temperatures, around 20-30°C (68-86°F) during the day and 15-20°C (59-68°F) at night. It can tolerate slightly cooler temperatures, but it should not be exposed to temperatures below 10°C (50°F).
Growing Season
Dendrobium biggibum typically blooms from late winter to early spring, but it can also produce flowers at other times of the year.
Growing Difficulty Level
Dendrobium biggibum is considered a moderately difficult plant to grow. It requires specific growing conditions and can be sensitive to changes in temperature, light, and water.
USDA Hardiness Zones
Dendrobium biggibum is not cold hardy and should be grown indoors or in a greenhouse. It is suitable for USDA hardiness zones 10-12.
Did You Know?
The Cooktown Orchid is the official floral emblem of Queensland, Australia, and was named after the town of Cooktown where it was first discovered in 1873.
