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11-11-2018, 09:31 PM
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Senior Member
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Join Date: Jul 2012
Zone: 8a
Location: Athens, Georgia, USA
Posts: 3,208
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I like the pecan shells idea. How well did it work?
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12-09-2018, 09:38 AM
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Senior Member
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Join Date: Aug 2013
Zone: 7a
Location: North Plainfield, NJ
Posts: 2,817
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I fail to understand the fascination with Orchiata.
- Most sympodial orchids outgrow their pot in 2 or 3 years, necessitating repotting, so 'longer lasting' is immaterial.
- I am told by people who are using Orchiata, that the pH changes after 2-3 years, so 'longer lasting' is not really true.
__________________
Kim (Fair Orchids)
Founder of SPCOP (Society to Prevention of Cruelty to Orchid People), with the goal of barring the taxonomists from tinkering with established genera!
I am neither a 'lumper' nor a 'splitter', but I refuse to re-write millions of labels.
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12-09-2018, 11:50 AM
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Senior Member
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Join Date: Jun 2015
Zone: 9b
Location: Phoenix AZ - Lower Sonoran Desert
Posts: 18,486
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Quote:
Originally Posted by plantzzzzz
Hoya Carnosa and related liked to dry out more, I do grow these but haven't had the chance to grow them in an epiphyte mix. They grow very slowly for me and I think it's the lack of light.
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Remember Hoyas are epiphytic milkweeds. When ones like carnosa are happy they grow so vigorously they can outgrow their space quickly. They start in spring when weather warms, and don't stop until weather cools.
They don't like to dry out during the growing season. That right there will stop their growth. But being epiphytes, they also need lots of air in the potting mix. People who put them in heavy bagged potting soil find they can rot easily, so they have acquired the reputation of needing to be kept dry. This will keep them alive, but they won't grow much, if at all.
You can use a potting mix of 90% medium particle pumice, volcanic cinders or perlite, and 10% bagged potting soil. In this kind of medium you can water a lot, and they will grow happily. A bonus is you won't have to repot because the inorganic particles don't break down. Just top dress with a thin layer of organic matter each spring.
Also, in common with most tropical milkweeds, the warmer the better for lowland Hoyas. In shade, and well-watered, H. carnosa grows well in Phoenix summers outdoors.
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12-09-2018, 02:52 PM
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Senior Member
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Join Date: Nov 2017
Zone: 9b
Location: Central Coast of California
Posts: 1,163
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I had no idea Hoya were particular! We have one in a large hanging basket lined with coconut fiber and potted in miracle grow potting soil. It’s outside. I think we’ve had it for 10 or 15 years and it’s never been repotted. It’s a beast. It’s weathered extended periods of neglect so I’ve been thinking it was pretty much indestructible.
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12-09-2018, 03:08 PM
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Senior Member
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Join Date: May 2005
Location: Oak Island NC
Posts: 15,083
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Quote:
Originally Posted by Fairorchids
I fail to understand the fascination with Orchiata.
- Most sympodial orchids outgrow their pot in 2 or 3 years, necessitating repotting, so 'longer lasting' is immaterial.
- I am told by people who are using Orchiata, that the pH changes after 2-3 years, so 'longer lasting' is not really true.
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Kim,
While the life of Orchiata is far greater, I think it's wise to repot about annually anyway. Nonetheless, the superior grading and "cleanliness" (i.e., no small bits or fluffy stuff) makes it worth the added expense.
Basically, once you prep it to fully absorb water, it changes very little until you dump it at a repot. I know no other potting medium that doesn't slowly degrade over that same time period.
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12-09-2018, 09:41 PM
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Senior Member
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Join Date: Jun 2015
Zone: 9b
Location: Phoenix AZ - Lower Sonoran Desert
Posts: 18,486
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Quote:
Originally Posted by aliceinwl
I had no idea Hoya were particular! We have one in a large hanging basket lined with coconut fiber and potted in miracle grow potting soil. It’s outside. I think we’ve had it for 10 or 15 years and it’s never been repotted. It’s a beast. It’s weathered extended periods of neglect so I’ve been thinking it was pretty much indestructible.
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Most Hoyas aren't particular, but few people grow them well. After this amount of time the potting soil in your basket (which is essentially sawdust and black charcoal) has been completely eaten up by soil microorganisms, and not much remains in that basket other than a tangle of roots. There will be plenty of air to the roots because there's not much to impede air flow.
I didn't mention that many people say Hoyas are set back severely when repotted. I don't believe that if they are repotted into a medium reasonable for epiphytes.
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01-22-2019, 10:38 PM
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Jr. Member
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Join Date: Aug 2016
Zone: 9a
Location: North-Central Florida
Posts: 14
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I've found good results with Better-Gro, BUT (and this is a big one!) only if I've bought one of the bags that were stored INSIDE the stores. This doesn't guarantee anything but I've had really bad luck with mold and broken down medium from the bags sitting outside in the elements. My local stores all keep most of their bags outside so it takes a little hunting to find ones that have been kept indoors, but it's SO worth the extra effort to find a good, cheap medium.
Orchiata has given me good results on fragile miniatures and seedlings, but I can't always justify the expense when I could be using that money on more orchids If I've got some sickly rescues having issues with their roots it's more than worth the money, though.
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11-19-2019, 05:20 PM
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Senior Member
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Join Date: Sep 2019
Zone: 10b
Location: South Florida, East Coast
Posts: 5,838
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here's my take- i have never used either but...
i find that a series of plastic baskets i have make my life easier and cheaper- i'll explain..I have three plastic tubs with 1x1 holes, one with 3/4"x3/4" holes, and one with 2x2 holes
I buy big bags of lava rock and run it through the tubs into three buckets- 1, 2 and 3/4 inch rocks
i buy the large bags of charred hardwood and do the same and i buy large bags of bark nuggets and break the apart by hand and then run them through the tubs- i also have buckets of perlite and coir and peat moss (firehouse subs has $2 food grade buckets with lids)
i only have to do this a few times a year, maybe once or twice, and i can accommodate basically any culture needed when you add in mounts.
I spend less than $50 for all the medium i'll use in a year
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