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Dendrobium

This page is meant to give you information and some useful tips about the care of the Dendrobium. You will also find all the Dendrobium species we offer in our assortment.

» Straight to care

Derivation of the name

The name of this gender derives from the Greek words ‘dendron’ (tree) and ‘bios’ (life), which refer to the habitat of this plants.

Features and origin

Dendrobium is a gender with around 1200 species and appear in much varied biotopes, from tropical lowland rainforests to the cool mountain ranges of the Himalaya and even the Australian desert, mainly in South-, East- and Southeast-Asia, Australia, Borneo, New Zealand and the Islands of the Pacific. The gravity point is located in the region Malaysia. They are predominantly epiphytic, rarely lithophytic plants, with a sympodial way of growth. They have egg-shaped to long-shaped pseudobubls, that can grow up to two metres with some species. Most species have a grass- or reed-like stems. The generally oval leaves can be spread along the sides of the entire stem, or grouped on the top.
The way of blooming is in a branch, varying in length from a couple of centimetres to almost a metre, with some to over a hundred flowers. Species that lose their leaves carry the leaves one or two years before blooming once, while some species stay green, can bloom from the second year and can bloom again for multiple years.
The flowers are medium- to large-sized, with wide, light coloured petals and sepals, and a darker coloured or drawn lip.

 

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Care tips

Dendrobium can be divided into two groups. The species that need a cool environment and the species that need a warm environment.

Place

Put the Dendrobium on a very light space where they are protected against direct afternoon sunlight.

“Care tips cool”

Temperature

Cool Dendrobium need a temperature in between 18°C. and 30°C by day in summer. By night, the temperature can drop to around 10°C.
During winter, the temperature requires to be under 18°C by day and over 8°C by night.

Humidity

We advise a humidity between 40% and 70%. This differs per species within the gender and depends on the size of the plant.

Water

In the summer period, you can water the Dendrobium about once a week. When it’s very hot, you can water the plant up to 3 times a week.
In winter, watering once a two weeks is enough for the the Dendrobium

Fertilizer

In summer, you can fertilize once or twice a week. In winter, this is not necessary unless the Dendrobium made a new shoot. In that case we advise to use the fertilizer until the shoot stopped growing.
The fertilizer is important, because there won’t be enough sunlight for the Dendrobium. Normally, the sunlight provides the Dendrobium with sugars that are essential to create the growth of flower branches. Therefore it’s harder for the Dendrobium to start blooming without the fertilizer.

Repotting

The Dendrobium should be repotted once a two or three years, preferably in spring.

“Care tips warm”

Temperature

With warm Dendrobium, the temperature can get up to 28,5°C by day and drop to around 23°C by night. The warmer the temperature, the easier the plant will grow.
In winter, a temperature in between 18,5℃ and 24°C by day is ideal. At night, the temperature can drop a little to around 16,5℃ - 18°C.

Humidity

We advise a humidity between 40% and 80%. This differs per species within the gender and depends on the size of the plant. With a high temperature, a high humidity is recommended.

Water

In summer, when the plants are in their period of growth, they can be kept faitly humid. You can water 2 to 3 times a week.
When the growth begins to stop, it’s best to give the Dendrobium a little less water. The pseudobulbs should not shrivel!

Fertilizer

In summer, as soon as the plant starts to grow, you can fertilize once a week.
The rest of the year the Dendrobium can be fertilized lightly once a two weeks. The fertilizer is important, because there won’t be enough sunlight for the Dendrobium. Normally, the sunlight provides the Dendrobium with sugars that are essential to create the growth of flower branches. Therefore it’s harder for the Dendrobium to start blooming without the fertilizer.

Repotting

Dendrobium requires to be repotted on a yearly basis. Plants with thin roots like fine bark or sphagnum, while plants with thicker roots prefer rough bark.