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Dends kingianum and speciosum

This is a discussion on Dends kingianum and speciosum within the Genus Specific forums, part of the Orchid Culture category; I have one of each of these guys that so far have been staying alive ...

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  1. #1
    Diane's Avatar
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    Default Dends kingianum and speciosum

    I have one of each of these guys that so far have been staying alive and even growing under my care!!!! (for those who are newer members, the old story was Diane + Dends = DEATH) So now it is winter - Do I stop watering these guys? Or just cut back? Or continue on the normal schedule?

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    Mind you, I'm no Dendrobium green thumb, but like you, I've giving myself another try. There are way too many Dends for me to remember who likes what, so I've been trying to learn the different sections of the genus. Culture tends to be similar within each section or sub-section. Still, there are so many!

    Aphyllum and anosmum belong to the section Eugenanthe it also goes by other names. That section wants no water in the winter. Both kingianum and speciosum belong to section Callista. For them, water should be cut way back and no fert during the winter. Give just enough water to keep the stalks from shriveling too much.

    Murray will surely have more to add!

    I just ordered Bill Lavarak's Dendrobium book. Howard Wood's new book looked intriguing, but at $150 cover price, I gave it a pass. I'll let you know how it is when it arrives. It was only $24 and got good reviews.

    McJulie

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    sorry its taken so long to reply.BURRY !@*#&@^#$ ISP's .

    I wouls be reducing the watering so that the kingianum was dry for about 2 weeks and moist about 1 day.As for the speciosum I would be leaving dry for the next 2-3 months or untill flower buds are defined .

    As I have stated in thread
    http://www.rv-orchidworks.com/orchid...ead.php?t=5475

    Culture

    Dendrobium Kingianum Is considered the easiest of the Austrailian Dendrobs to grow and flower. It can be grown just about any way that you like, on a slab, in a pot, in the shade, in full sun in a prepared garden beds, rockeries etc. provided some simple rules are followed. These rules are :-
    It does not like to be over potted , or have wet feet(roots) , plenty of air movement and a medium to high humidity. These items are all found in its natural environment. The potting of the plants should only provide
    enough room for one to two years growth and it is in a open mix with excellent drainage. Repot immediately after flowering because that is when the new growth is starting. Feed and water well while growing and then just enough water to stop the canes from shrivelling for the rest of the time. Minimum winter temps of 2degrees C are tolerated .Generally if the leaves have a slight purple tinge to them they are getting the right amount of light.

    speciosum

    Culture
    Well that was a rundown on the varieties now we will consider the culture.
    It is an ideal plant for well drained rockeries, preferring to be the top most plant. It also grows well in the forks of large trees or on the top of sizeable tree stumps. In these positions it likes lots of light, Full sun will not hurt it. If it is grown in a pot ,it should be put into a very very open mix. As growth is very robust, it will require frequent repotting.Do not start a small plant in a pot that is big. The best time to repot is just after flowering has finished. A second growth faze can occur in autumn and they will still mature before winter.
    The minimum temperature for the southern forms is about 2degess C ,while the lower elevation ones from Queensland would like a temperature if 10C. The varieties Grandiflorum and Hillii like more shade than the others.It can take up to 12 years for one of these plants to mature to flowering size and will alternate flowering and growing years (some years it will only produce growth and the next year it will grow and flower). Water and feed the plants regularly over summer and allowed to dry off over autumn to help induce the flower spikes.


    Hope this helps

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    Quote Originally Posted by orchid-man View Post
    I wouls be reducing the watering so that the kingianum was dry for about 2 weeks and moist about 1 day.As for the speciosum I would be leaving dry for the next 2-3 months or untill flower buds are defined .
    this begs the question, what about Delicatum (speciosum x kingianum)? the culture of the parents seems quite different, so how should one treat the offspring?
    thanks...

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    If I were you Diane..... I would do what I do..... and load the shotgun for some skeet shooting! Just kiddin

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    Thanks Murray! We have been having some pretty strong Santa Ana winds, so the outdoors 'chids are drying off very fast. I'll try to follow your schedule.

    Aaron: Nooooooo!! The speciosum was $150!!!!

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    Quote Originally Posted by eikon View Post
    this begs the question, what about Delicatum (speciosum x kingianum)? the culture of the parents seems quite different, so how should one treat the offspring?
    thanks...
    As you point out the facts of Delicatum (speciosum x kingianum).
    It it normally treated somewhere in the middle,but saying that ,some growers here treat it the same as speciosum although it takes more after the kingianum.

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    How tall do the kingianum canes need to get befor it is blooming size?

  9. #9
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    Quote Originally Posted by Mark V View Post
    How tall do the kingianum canes need to get befor it is blooming size?
    That will depend on what area they come from. The size of the psbulbs variey
    betweem6cm and 35cm.

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    Murry,
    Three years ago a friend gave me a 3 mm tall kingianum kiki. Now there are 9 live pbulbs (7 with leaves) and the tallest is over 10 cm. From kiki stage how long does the slowest growing kingianum that you know of take to mature?

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