Chrysanthemums in Aberdeen

by Eric Anderton

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Date last updated: 
03 April 2012


Chrysanthemum Hydroponics
By Eric Anderton


Hydroponic growers place great emphasis on their stock or mother plants. They select the best clones and take much care in preparation for taking cuttings.

In the case of Chrysanthemums it is stools and sometimes mother plants.

Cutting as removed from hydroponic rooting aggregate

The preparation includes making sure they are in a vegetative state of growth and that they are charged with correct balance and level of nutrients to increase the electrical conductivity (EC) of the plants. This is very important.

When the stools or mother plants are grown in hydroponic aggregates this can be achieved very accurately as at each watering with hydroponic nutrients the EC of the water is actually to what the plants receive.

It is better to delay taking cuttings if they are not in a satisfactory condition, there is plenty of time as Chrysanthemums grown throughout their life in hydroponics is very quick.

Cuttings are taken from the tips of growths, the part which is most active. The aggregate used is 4 parts coarse perlite to 1 part coarse vermiculite. Rooting powder or gel may be used but only a small amount on the very bottom of the cutting, on the surface of the cut where water enters the stem and no more.

The aggregate is watered with plain water, no nutrients whatsoever and kept well watered. With this type of aggregate there is plenty of air and oxygen.

Why no nutrients? The cutting itself holds a good EC and the aggregate has very little (depending on the water source) so that the flow of water into the cutting is good. If the cutting has a low EC and the water in the aggregate higher ,then through osmosis the cuttings would suffer from dehydration and a shortage of water within the plant causing wilting, scorch and slow rooting resulting in a poor start.


Close-up showing aggregate and root system 



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Diamond encrusted Anemones


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