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I'll add that Semi-Hydroponic culture also helps.
Most of my collection of plants is on the intermediate to warm side, but the oncidium intergenerics do great in S/H - probably because of the small amount of evaporative cooling in the pot. -- Ray Barkalow - First Rays Orchids - www.firstrays.com Plants, Supplies, Books, Artwork, and Lots of Free Info! .. "Dave Sheehy" wrote in message ... Dave Sheehy ) wrote: : J Fortuna ) wrote: : : My local plant nursery has some really attractive intergeneric hybrids for : : sale, including Bllra Marfitch 'Howard's Dream' and Colm Wildcat, and I am : : quite tempted to buy one of them, however I would not want to buy them if my : : conditions are such that they couldn't possibly do well. : : I grow on the windowsills or rather on shelves next to north-facing windows. : : I supplement this with growlamps so that I can achieve medium light right : : under a lamp, but I am not sure whether I could have medium light at leaf : : level for a Bllra since they are rather tall plants. So the light is low to : : medium, but mostly low. : : The temps in our apartment are usually around 70-80 degrees Fahrenheit. : : Sometimes in the summer the air-conditioning doesn't work though and then it : : can be in the upper 80s or in the low 90s for a short period of time. In the : : winters, especially at night the temp might be in the 60s. : : Humidity-wise we try to keep it above 50% at all times -- easy in the : : summer, harder but doable in the winter. : Like you I have been branching out and experimenting with other orchids I : might possibly be able to grow there as well. Last spring I bought a Burr(? : I think that's right) 'Stephan Isler' and put it in that north window with : the phals. It's too soon to report any success other than it is growing well. : The new growth has done well and the pb is starting to flesh out nicely so : I'm pretty encouraged. I won't know if it'll bloom until next spring/summer. I have an update on my Burr. Stefan Isler that I keep in my north window along with the Phals. I examined it the other day and found a new flower spike growing. So, there's at least one intergeneric that can be successfully kept along with Phals. For those that are interested here are some details. I have a light meter and if I hold it so as to maximize the reading I get a value of 1000 (I believe the units are foot candles but I don't remember for sure off the top of my head). Phals require a light intensity range between 500-1000 according some sources and the grower that I bought the Burr Stefan Isler from told me it requires a light intensity between 1000-1200 (so it comes in at the high end of the phal light requirement). Humidity in my house ranges from 40-60% year round as far as I've been able to measure. I don't go to any special efforts to control humidity. There are 4 aquariums in the house which contribute between 1.5-2 gallons of evaporated water per day to the surrounding air so they are probably helping to raise humidity to some degree. So the upshot is I think it is very possible for you to keep appropriately selected intergenerics in your conditions. Dave |
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