Journal March 23, 2017 - Orchid collection just about complete

There is one more Cattleya cross on order, and after that arrives I am calling it quits for buying plants.  From this point on, any plants that I add to our collection will be those I have grown myself.

The Phalaenopsis plants have four new plants starting from the nodes on the spikes that I applied Keiki paste to.  It is amazing how easy and quick that process was, and, strange things are happening to the Dendrobium and Cattleya plants that had the paste applied to their nodes.  It is really too early to tell what is going on, but things are growing from the nodes.

The orchid seeds are doing absolutely nothing, however, I am sure that the seed I purchased on eBay had a lot to do with that.  Hopefully, soon I will see a seed pod forming and I will have millions of fresh seed to work with.  To that end, I purchased media from a lab that is in the business of starting orchid seed.  It is my intention to try and compare their media with my homebrewed media at some point.

Journal March 21, 2017 - Spring will be a little late this year.

The calendar says it is spring, however, Mother Nature played a nasty trick last week and dropped more than two feet of snow on our area  Tomorrow the temperature is forecasted to be a balmy 26 degrees F, but hold off on the Bermuda shorts for a while yet.

At this point, I am anxious to get the olive trees out of the basement and into the greenhouse, as I want to change one of the tents over for growing orchids. 

Right now the orchids I have are on the grow table in the basement where the conditions are ideal for them in terms of temperature and humidity.

I am mainly interested in what effect the light will have on them.  In searching the web I have found very little on growing orchids under the type of lights I will be using.  The intensity is not as important as the spectrum, and these lights are designed with the spectrum optimized for plant growth, be it vegetative or flowering.  1500 to 2000 footcandles does not seem like a lot, but the plants are shade loving and have not been exposed to the specific spectrum these lights will be giving them.  The conditions may not be totally ideal, but I intend to play with the photoperiod, intensity, and spectrum and see how they react.  If anything, over the eons plants, have learned to adapt, so let them adapt and let's see what happens.

 

Journal - March 18, 2017 - Clone your orchid, the easy way.

If you want to clone one of your favorite orchids there is a fairly easy way to make an exact duplicate. Keikis, or baby plants, grow on the canes or flower spikes of some orchid species, such as Dendrobium, Epidendrum, and Phalaenopsis orchids. Growers use Keiki paste on nodes on the canes or flower spikes to encourage the orchid to produce Keikis. I purchased mine on Ebay for about eight dollars and it can be used to clone hundreds of orchids, as you only need to apply a tiny amount, one time.

You simply use a razor and tweezers to remove the protective sheath covering a node and apply a tiny amount of the paste on the undeveloped node beneath. The paste contains a growth hormone that encourages the node to develop into a new baby plant or Keiki. I applied the paste to four nodes on the flower spikes of two Phalaenopsis plants on March 5, 2017. In only twelve days I can see new plants forming on every node that was treated. If the plants are flowering at the time you apply the paste, like mine are, there is a slight chance that the baby plant will form and produce a flower spike. How cool is that?

It will take several months before the Keiki forms a decent root system and can be removed and planted, so leave it attached and let it grow. There are several how to videos on youtube.com.

Journal March 10, 2017 - New plants

Today I received an Orange Firestar Epidendrum Reedstar that I had ordered from Hirt's Gardens.   As plants that I had previously ordered from Hirt's were found to be infested with insects I immediately removed the potting media entirely from the roots and closely examined the plants.   When doing so I found that what I had actually received were two separate plants, so I potted them I individually in 3" pots.  In the photo above they are the two plants in the front center.

The large plant shown in the back of the photo was also received today, it is a Cymbidium KOUSHU TANGO "Shall We Dance?"   It is larger than I would have liked, however, as it needs cooler conditions than my other plants I will grow it in a different location and simply deal with it.

Also today, I repotted the Phalaenopsis plants into 3" pots, and I am trying a new method of cloning them.   More on that to follow.

Journal March 9, 2017 - Another orchid flask

Today I received and planted another hobby flask.  This one contained at least 25 plants and the total cost including shipping was about twenty-five dollars.  The above photo shows the flask immediately after I received it.  

The seedlings are Epidendrum magnoliae x cattleya alaorii, a cross that should prove interesting, when grown to maturity they will definitely be worth more than a dollar each. 

Once again I planted the larger plants separately and grouped the smaller plants four to a pot.  For the larger plants, I used long fiber sphagnum and for the smaller plants, I used shredded sphagnum.

As this tray will be in a cooler environment I placed a heat mat under the tray.  Also, I decided to use just the vegetative setting on the LED grow light to see if that encouraged faster growth.

Journal March 7, 2017 - Deflasking orchids

If you have patience and are not in a hurry purchasing a hobby flask is one way of obtaining orchids inexpensively.  Of course, you are going to get about twenty-five plants all the same, so it is even better if you can share the cost with a few other growers. 

With that said, I recently purchased two hobby flasks and intend to invest some time in growing the plants to flowering size, with the goal of selling them at one of the orchid society meetings sometime in the future.

After receiving the flask I removed them from the vessel and removed the agar while also separating the plants by rinsing them under tepid water in the sink.  I was fortunate in that the plants separated easily without breaking off any of the fragile roots.  In the flask that I received there were about thirty plants, so the cost per plant was slightly over a dollar.

 The lab recommended planting in long fibered sphagnum moss and keeping the humidity high for the first few weeks.

Not wanting to waste a single plant, my assistant with tiny fingers was assigned the job of planting the small plants,

The variation in the size of the plants in the flask was a surprise.

It was recommended that the plantlets be kept in high humidity for the first few weeks, then to gradually acclimate them to more normal growing conditions.  Spraying the inside of the dome, not the plants, will keep the humidity at an acceptable level.  Feeding, if at all, should be very light, about quarter strength.

At some point,  I want to hybridize orchids, so I am attempting to germinate Phalaenopsis seeds.  I have already cross-pollinated a few flowers but while the seed pods mature I am trying to germinate some seeds I purchased on eBay.

The seeds are very tiny and difficult to work,  they are best sterilized in a syringe and placed in the vessel using the syringe. 

After planting the seeds I thought it best to use a microscope to check the detritus before I discarded it.  As it turned out, there were more seeds in the detritus than I has planted, so I sterilized the whole mess and placed it on media in a vessel.

It is a matter of finding a procedure that works best for you and your conditions.

Journal March 2, 2017 - Orchids are coming into bloom.

I thought I'd mention that the orchids are coming into bloom and share some photos on my blog.  After all, it is a shame to have these beauties and not share them with those who might appreciate them.

Why mention them on a hydroponic blog?  Well, orchids grow in an inert media in a symbiotic relationship with mycelium.  They take no nourishment from the media they are planted in or on but must be fed periodically, just like plants in hydroponic systems.

Just for fun, I prepared media today to start Phalaenopsis seeds using tissue culture procedures.  As I have no experience in starting orchids from seed this should prove interesting.

To be safe I will start hundreds of tiny seeds, but I have no idea of what I would do with hundreds of tiny orchids.