Orchid Board - Most Complete Orchid Forum on the web !

Views: 3,956

Posted By tropterrarium

Pepermint? interesting idea! EXTREMELY invasive,...

Pepermint? interesting idea! EXTREMELY invasive, though, so would have to put it contained in containers.

Forum: Greenhouse Gardening

04-20-2018, 10:57 AM

Replies: 19

Views: 3,956

Posted By tropterrarium

Thanks for all the brainstorming. -Exclusion...

Thanks for all the brainstorming.

-Exclusion is not a viable option. I live in a rather rural area with deer in backyard.

Vent area is large 7x3' single pane glass. So a hardware cloth box,...

Forum: Greenhouse Gardening

04-20-2018, 03:26 AM

Replies: 19

Views: 3,956

Posted By tropterrarium

Hardware "cloth" is rigid, so will not work. I...

Hardware "cloth" is rigid, so will not work. I need something that is made out of metal, but is flexible like plant-fibre cloth. Any leads on that?

Forum: Greenhouse Gardening

04-20-2018, 03:00 AM

Replies: 19

Views: 3,956

Posted By tropterrarium

Rodent control with wax-opener vent?

How do you keep rodents out of a GH with a lower vent that is operated by an automatic wax opener (gigavent)?

- I cannot put stiff fine mesh metal screen in, because the arm of the auto vent...

Forum: Greenhouse Gardening

03-13-2018, 02:23 PM

Replies: 3

GH floor material options?

Views: 3,111

Posted By tropterrarium

GH floor material options?

Getting towards final stages of 500 sqft (~21 x23') GH, mainly for mounted botanical miniatures. Will have some concrete platform around edges for benches. In center, the most common option is 3/4"...

Forum: Advanced Discussion

10-26-2017, 12:32 AM

Replies: 32

Best/largest orchid show to attend in the U.S.?

Views: 10,913

Posted By tropterrarium

You may know that SBIOS 2018 is also the AOS 2018...

You may know that SBIOS 2018 is also the AOS 2018 spring meeting. So a big show will be even bigger! There will be other additional show benefits that you will find exciting. I'm in Santa Barbara, so...

Forum: Greenhouse Gardening

09-25-2017, 02:55 AM

Replies: 4

Faucet-sink in GH?

Views: 1,749

Posted By tropterrarium

Faucet-sink in GH?

Thinking a bit more about a GH design, and the idea of a washing station, so cold water faucet and sink, has come up. Obviously, there will be more debris than with a "normal" sink. So I wonder...

Forum: Miscellaneous & Other Genera

08-20-2017, 11:55 PM

Replies: 26

Oberonia setigera!!!! Very unique looking!!!

Views: 5,466

Posted By tropterrarium

setigera is a fickle species. I was down to one...

setigera is a fickle species. I was down to one last pretty well growing plant, but got one more from Louisiana. The one that is doing quite well is growing intermediate in a pad of sphagnum on top...

Forum: Miscellaneous & Other Genera

08-20-2017, 12:45 PM

Replies: 11

Oberonia myosurus culture?

Views: 5,460

Posted By tropterrarium

Re O. cavaleriei, the longer I have them, the...

Re O. cavaleriei, the longer I have them, the less I like them mounted. Unless you have really high humidity (>85% all the time), it will not do well. I recently took some mounted specimens off, and...

Forum: Greenhouse Gardening

08-16-2017, 12:41 AM

Replies: 5

Setting up GH airflow

Views: 3,181

Posted By tropterrarium

I might opt for a mixed approach with upper...

I might opt for a mixed approach with upper circular and ten some lower oscillating fans, possibly at a downward angle. This is reasonably easy to alter quickly.

Forum: Greenhouse Gardening

08-15-2017, 10:03 AM

Replies: 16

Views: 3,305

Posted By tropterrarium

Thanks for this very detailed account. With...

Thanks for this very detailed account. With plastic/metal barrels, I have no problem seeing the heat transfer. The build structure on top of pond/reservoir is where I see more issues, namely how...

Forum: Greenhouse Gardening

08-15-2017, 12:49 AM

Replies: 17

Views: 3,208

Posted By tropterrarium

Thanks for that one. Geneva series looks the same...

Thanks for that one. Geneva series looks the same to what Florian has. The Sierra is different, though not sure what it means. Sent inquiry!

Forum: Greenhouse Gardening

08-14-2017, 08:19 PM

Replies: 17

Views: 3,208

Posted By tropterrarium

Interesting. Seem to have much of the same lines...

Interesting. Seem to have much of the same lines as Gothic Arch, some even identical pictures on both websites! will be interesting to see if prices also match.

Forum: Greenhouse Gardening

08-14-2017, 09:48 AM

Replies: 16

Views: 3,305

Posted By tropterrarium

Big water body or having GH lowered into ground...

Big water body or having GH lowered into ground are certainly theoretical options. For underground pond or storage tank you would also need some sort of circulation system. Passive radiation is most...

Forum: Greenhouse Gardening

08-14-2017, 09:34 AM

Replies: 16

Views: 3,305

Posted By tropterrarium

Hi Ray, on the HD30 output is 24K input is 30K,...

Hi Ray, on the HD30 output is 24K input is 30K, alleged efficiency 80%, which numerically adds up.

Re lowest temp, freezing in Santa Barbara,CA, is extremely rare, and 60F is rather generous as...

Forum: Greenhouse Gardening

08-14-2017, 12:10 AM

Replies: 16

Views: 3,305

Posted By tropterrarium

Thanks for the water storage pointer. I'm aware...

Thanks for the water storage pointer. I'm aware of it. Not sure how serious I am about implementation. I currently plan for a 100 gal RO storage tank under a bench. I've been toying with rainwater...

Forum: Greenhouse Gardening

08-13-2017, 08:13 PM

Replies: 17

Views: 3,208

Posted By tropterrarium

I've seen some Sturdi-Built ones, and they...

I've seen some Sturdi-Built ones, and they certainly are nice. However, they are made of wood, which I have ruled out. My current Santa Barbara Greenhouse is also made of wood, no problems yet, but...

Forum: Greenhouse Gardening

08-13-2017, 07:10 PM

Replies: 16

Views: 3,305

Posted By tropterrarium

Greenhouse heater size? calculation vs. table

Now heating: Modine Hot Dawg seems to be solid. I calculated BTU as glass area x delta T/R-value and get ~ 18,000 BTU requirements
2000 sqft x 30 (from 30 to 60F)/3.4 for low E double pane glass....

Forum: Greenhouse Gardening

08-13-2017, 07:02 PM

Replies: 5

Setting up GH airflow

Views: 3,181

Posted By tropterrarium

Setting up GH airflow

This is related to my other post on GH manufacturers. As this is a bit more general, I started a new thread.

Trying to figure out the logic of air movement in a larger (500 sqft) GH. Can you...

Forum: Greenhouse Gardening

08-13-2017, 06:20 PM

Replies: 17

Views: 3,208

Posted By tropterrarium

dounoharm: Re leanto, I am very concerned that...

dounoharm: Re leanto, I am very concerned that the humidity will encourages wood rot in human house. CA is all wood-frame houses b/c of earthquakes.

I hear you re fiddling. That I know. I have a...

Forum: Miscellaneous & Other Genera

08-13-2017, 01:58 PM

Replies: 15

Oberonia japonica

Views: 3,566

Posted By tropterrarium

Alumnus, plural alumni, is just saying people...

Alumnus, plural alumni, is just saying people associated with Oberonia. No first name, really.

Andy has several species, just looked and there are four. He may have additional ones, such as O....

Forum: Miscellaneous & Other Genera

08-13-2017, 10:47 AM

Replies: 15

Oberonia japonica

Views: 3,566

Posted By tropterrarium

There is a dedicated FB group, Alumni Oberonia....

There is a dedicated FB group, Alumni Oberonia. Please join us!

Pattywack: Note that LOC has some true O. lycopodiodes (with sessile flowers, perianth of flowers touching each other) and misIDed...

Forum: Greenhouse Gardening

08-12-2017, 05:40 PM

Replies: 17

Views: 3,208

Posted By tropterrarium

Selmo: I don't need to spend 100K, but that is my...

Selmo: I don't need to spend 100K, but that is my approx top range. If I can get it done for 50, I'm happy.
6000 sqft would be completely over the top too large for one person growing miniatures....

Forum: Greenhouse Gardening

08-11-2017, 07:36 PM

Replies: 17

Views: 3,208

Posted By tropterrarium

Dounoharm: SB is quite a bit cooler. It is rare...

Dounoharm: SB is quite a bit cooler. It is rare that it gets above 90, average high by month is 76F in August with daily fluctuation of +/-5F. Even if sun heats up the interior, I don't foresee too...

Forum: Greenhouse Gardening

08-11-2017, 01:00 PM

Replies: 17