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#1
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Bifrenaria harrisoniana Culture
All,
Anyone know something about this one? My research tells me that it wants a winter dry rest, but I've also found some conflicting info (imagine that!). One site calls the plant 'cold growing', while Jay's site refutes that. Also, Jay calls for shade; another says bright light. One site advises to withhold water and nutrients right up until the plant is in bud. I have it in shade now. It's in a mix of CHC, Aliflor, charcoal and sponge rock. My conditions are warm, for those who might not have known that. It's a mature plant, doing well, and still growing new bulbs. Given that it is still putting out growth that will not be complete for at least a month, I would hesitate to dry it out in mid-November as I will some other plants. Also, it seems extreme to rest it until buds show up. What do you think? Any advice gratefully accepted. Diana |
#2
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Bifrenaria harrisoniana Culture
Diana,
This species is considered an intermediate grower here in the SF Bay Area. All the advice I've received (and applied it, it works!) is to dry the plant completely from the minute the leaves on the newest growths have hardened until you see the emergence of the short inflorescences. I did this at OrchidMania on a large specimen Bifrenaria harrisoniae. It took three months, but the results were spectacular. The plant was completely ringed with blooms. It's also considered a strong feeder and one grower I spoke with throws a handful of osmocote into the basket to supplement whatever normal feeding you do during the growing season. The rest period is what initiates blooming. Without it, the plant just keeps growing and never blooms. Good luck! -Eric in SF |
#3
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Bifrenaria harrisoniana Culture
Xref: kermit rec.gardens.orchids:51278
From the OrchidSafari Archives Feb 2000: http://www.geocities.com/brassia.geo/292000.html K Barrett "Diana Kulaga" wrote in message ink.net... All, Anyone know something about this one? My research tells me that it wants a winter dry rest, but I've also found some conflicting info (imagine that!). One site calls the plant 'cold growing', while Jay's site refutes that. Also, Jay calls for shade; another says bright light. One site advises to withhold water and nutrients right up until the plant is in bud. I have it in shade now. It's in a mix of CHC, Aliflor, charcoal and sponge rock. My conditions are warm, for those who might not have known that. It's a mature plant, doing well, and still growing new bulbs. Given that it is still putting out growth that will not be complete for at least a month, I would hesitate to dry it out in mid-November as I will some other plants. Also, it seems extreme to rest it until buds show up. What do you think? Any advice gratefully accepted. Diana |
#4
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Bifrenaria harrisoniana Culture
Thank you, Eric and Kathy! Great information. Just one more clarification.
Bright light, but not direct, correct? So, if I grow it under the Catts that should do it? Also, the medium - I grow Catts & Dends in plain old HD river rock. I take it that the Bif. would be happy in a basket with that. Agree? Diana |
#5
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Bifrenaria harrisoniana Culture
I grow mine hanging high in the greenhouse, so higher than catt light. Mine
is in a basket with lavarock. K "Diana Kulaga" wrote in message ink.net... Thank you, Eric and Kathy! Great information. Just one more clarification. Bright light, but not direct, correct? So, if I grow it under the Catts that should do it? Also, the medium - I grow Catts & Dends in plain old HD river rock. I take it that the Bif. would be happy in a basket with that. Agree? Diana |
#6
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Bifrenaria harrisoniana Culture
Thanks much, Kathy. Obviously I need to make a few changes; glad I asked
now instead of carping over a bloomless spring. Diana "K Barrett" wrote in message news:Y_Vmb.36264$Fm2.15092@attbi_s04... I grow mine hanging high in the greenhouse, so higher than catt light. Mine is in a basket with lavarock. K "Diana Kulaga" wrote in message ink.net... Thank you, Eric and Kathy! Great information. Just one more clarification. Bright light, but not direct, correct? So, if I grow it under the Catts that should do it? Also, the medium - I grow Catts & Dends in plain old HD river rock. I take it that the Bif. would be happy in a basket with that. Agree? Diana |
#7
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Bifrenaria harrisoniana Culture
I grow it wet wet wet year round and temps with my catts also I grow
it in more of Phal light /// not sure if that helps but thats how I do it and it grows and flowers just fine JEff On Sat, 25 Oct 2003 21:27:26 GMT, "Diana Kulaga" wrote: All, Anyone know something about this one? My research tells me that it wants a winter dry rest, but I've also found some conflicting info (imagine that!). One site calls the plant 'cold growing', while Jay's site refutes that. Also, Jay calls for shade; another says bright light. One site advises to withhold water and nutrients right up until the plant is in bud. I have it in shade now. It's in a mix of CHC, Aliflor, charcoal and sponge rock. My conditions are warm, for those who might not have known that. It's a mature plant, doing well, and still growing new bulbs. Given that it is still putting out growth that will not be complete for at least a month, I would hesitate to dry it out in mid-November as I will some other plants. Also, it seems extreme to rest it until buds show up. What do you think? Any advice gratefully accepted. Diana |
#8
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Bifrenaria harrisoniana Culture
Aarrgh!
Yes, everything helps, Jeff! Where do you grow/ That would help me assess the different opinons! Diana "Jeff" wrote in message ... I grow it wet wet wet year round and temps with my catts also I grow it in more of Phal light /// not sure if that helps but thats how I do it and it grows and flowers just fine JEff On Sat, 25 Oct 2003 21:27:26 GMT, "Diana Kulaga" wrote: All, Anyone know something about this one? My research tells me that it wants a winter dry rest, but I've also found some conflicting info (imagine that!). One site calls the plant 'cold growing', while Jay's site refutes that. Also, Jay calls for shade; another says bright light. One site advises to withhold water and nutrients right up until the plant is in bud. I have it in shade now. It's in a mix of CHC, Aliflor, charcoal and sponge rock. My conditions are warm, for those who might not have known that. It's a mature plant, doing well, and still growing new bulbs. Given that it is still putting out growth that will not be complete for at least a month, I would hesitate to dry it out in mid-November as I will some other plants. Also, it seems extreme to rest it until buds show up. What do you think? Any advice gratefully accepted. Diana |
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