Real World Gardener Dendrobium Cultivation and Care in Plant of the Week

October 8th, 2020

DENDROBIUMS Part 3

Cultivation and care

If you been listening to the series on dendrobium orchids you might now be wondering how best to look after them? 
You might even be asking do I need a greenhouse or shadehouse like Adrian has for his 200 or so orchids, or can you grow just one or two without too much fuss somewhere in the garden?

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Let’s find out.. 
I'm talking with Adrian O’Malley, native plant and orchid expert. 
 
The three most important things for care of your dendrobiums are location, watering and fertilising. 
Adrian’s tips is let them completely dry out in winter, but if temperatures are in the high 40’s, you may need to mist them several times a day. 

If they look pinched they need watering.

  • Fertilising
Adrian has an inline fertilising system which is attached to a hose but before the tap. He then places a rock mineral fertiliser in that inline system which leaches a very small amount into the water each time he waters the orchids.
Adrian also recommends using two types of additional fertilisers depending on the time of year.
Fertilisers high in potash to promote spring flowering, and fertilisers high in nitrogen to promote growth.
Tip: Add a handful of dolomite lime over the bark mix every couple of years to counteract the acidity of the media as it breaks down.
If you have any questions about Australian orchids, drop us a line to realworldgardener@gmail.com or write to 2rrr PO Box 644 Gladesville NSW 1675
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