Orchids forum: Temps hitting around 40 next couple of nights.

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Name: mj
Central Florida
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mjsponies
Nov 13, 2014 10:20 AM CST
My B. glaucoma and digbyana both have sheaths and now we're supposed to be down to around mid 40's for even a little lower starting tomorrow night. I've been hesitant to move them as it's the first time either will have bloomed for me and I hate for them to blast.

How cool can they take ?

Help Grumbling
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Name: Ursula
Fair Lawn NJ, zone 6b
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Ursula
Nov 13, 2014 2:58 PM CST

Moderator

I would hate to tell you something wrong and make those sheath abort.
But, if those were my plants, I would definitely look for a nice warm and surely sunny spot for the Rhyncholaelia glauca inside and probably also for the digbyana.
Name: Elaine
South Sarasota, Florida (Zone 9b)
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dyzzypyxxy
Nov 13, 2014 3:02 PM CST
I cover them all whenever it's going below 50deg. Mj. Can you cover them in place? If not, I'd sure bring them indoors.

Brassavolas aren't nearly as fussy about being moved as Phals are, in my experience. Just try your best to have the light hit them at a similar angle and keep the humidity up. Hanging wet towels around them helps a lot.

Boy, I sure hope that cold air stays to the north of us! So far the lowest forecast has been for 52 on the weekend.
Elaine

"Success is stumbling from failure to failure with no loss of enthusiasm." –Winston Churchill
Name: tarev
San Joaquin County, CA (Zone 9b)
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tarev
Nov 13, 2014 3:25 PM CST
I do not grow those types of orchids..but in my area where we are now getting fluctuating low mid 40's to high 50's overnight, I have moved some of my orchids indoors and only the ones that are more temperate still in my growcamp outdoors. I have been using the plastic foil covers now, to at least ward off some excessive chill at night.

There is just a limit to what some of the orchids can take, on the side of caution, I will do what Ursula says..find a warm spot indoors now, so the transition will not be too drastic for your orchid. My thinking is you may lose the bloom, but at least save the plant itself from cold damage.
Name: mj
Central Florida
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mjsponies
Nov 13, 2014 3:28 PM CST
I would be moving them inside the greenhouse. Humidity not a problem and temps at night would be 55º or so. Day time temps can get a bit warmer than outside during the day.
Getting the same light might be a bit of an issue.
God gave us wings. He just called them horses
Name: Ken Ramsey
Starkville, MS (Zone 8a)
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drdawg
Nov 13, 2014 4:51 PM CST
My orchids will certainly not be exposed to mid or lower 40's - ever. Well that is unless I lose all electrical power. Sticking tongue out Personally, I would much rather risk losing a sheath/bud than lose the plant. Whistling
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Name: Kathy
Western MA

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boojum
Nov 13, 2014 7:37 PM CST
Just to let you know...here in New England, I often let most orchid plants stay out to the mid-high 30's before I bring them all in, if it is only 6 hours or so and then it will warm up. If it is going to stay cold for any prolonged time, I will start the move in. I do bring vandas and spiked plants in at around 40. I am much more relaxed about this because I've seen their hardiness for years. I've never lost a plant due to the cold.
Name: Ken Ramsey
Starkville, MS (Zone 8a)
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drdawg
Nov 13, 2014 9:09 PM CST
You are one brave gal, Kathy! Perhaps I might tempt to do that with cool orchid varieties. I wouldn't with my warm ones though. Oh, I only grow warm varieties.
drdawg (Ken Ramsey) - Tropical Plants & More
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Name: tarev
San Joaquin County, CA (Zone 9b)
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tarev
Nov 13, 2014 9:15 PM CST
My Zygo and some dens and some Onc intergenerics tolerates the 40's as long as next day temps will rise at least 60's...at 30's and next day temps only in the low 40-50's...dicey for us here..especially if it rains..seems like similar to succulents..cold and damp bad...even if they did not get wet directly, just bad combination for orchids and succulents.

Oh just adding...my Vanda coerulea and my pleurothallids love the cold temps here. These ones, no problem.
[Last edited by tarev - Nov 13, 2014 9:22 PM (+)]
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Name: Elaine
South Sarasota, Florida (Zone 9b)
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dyzzypyxxy
Nov 13, 2014 11:02 PM CST
Heard the late forecast for tomorrow night is now down to 50, so I'm thinking all the Vandas get to come inside tomorrow night. Got to get out with the pruners and pole saw to do some thinning on the branches so the sun can shine in our bathroom windows better. Hmm, it will keep the house warmer, too!
Elaine

"Success is stumbling from failure to failure with no loss of enthusiasm." –Winston Churchill
Name: mj
Central Florida
Butterflies Hummingbirder Keeps Horses Lover of wildlife (Black bear badge) Plant and/or Seed Trader Region: Florida
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mjsponies
Nov 14, 2014 4:59 AM CST
Kathy, Yes we will be warming right back up. Those mid to low 40's are slow to get there and are the early morning lows. Then it warms right up.
A local nursery that specializes in Orchids leaves their Terete vanda's out year round unless we are going to dip into the 30's and even then unless it's going to be a freeze he just pulls them up under cover in the shade house that is built up against the main greenhouse.

I may just hang them on the inside of the Hoya Arbor that I can throw a cover over.
God gave us wings. He just called them horses
Name: tarev
San Joaquin County, CA (Zone 9b)
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Region: California Houseplants Plays in the sandbox Orchids Plant Lover: Loves 'em all! Composter
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tarev
Nov 14, 2014 9:52 AM CST
Good plan mj and elaine!

Name: Elaine
South Sarasota, Florida (Zone 9b)
The one constant in life is change
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dyzzypyxxy
Nov 14, 2014 11:01 PM CST
Looks like protective measures will be happening even down here next week. Tuesday and Wednesday nights we're supposed to get below 40 - Argghh! I haven't even planted my Earth Boxes yet. Been too busy traveling and boating.
Elaine

"Success is stumbling from failure to failure with no loss of enthusiasm." –Winston Churchill
Name: Ursula
Fair Lawn NJ, zone 6b
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Ursula
Nov 15, 2014 7:10 AM CST

Moderator

We have ice on our backyard pond this morning! brrr
Name: mj
Central Florida
Butterflies Hummingbirder Keeps Horses Lover of wildlife (Black bear badge) Plant and/or Seed Trader Region: Florida
Garden Ideas: Level 1
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mjsponies
Nov 15, 2014 7:24 AM CST
By the middle of the week we may very well have at least a light frost. I'm going to tuck the orchids in on the floor where I can pop the potted ones back outside. Mounted ones are going in and staying in now.
God gave us wings. He just called them horses
Name: Ken Ramsey
Starkville, MS (Zone 8a)
[url=www.tropicalplantsandmore.com]
Orchids Greenhouse Vegetable Grower Ferns Region: United States of America Hummingbirder
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drdawg
Nov 15, 2014 7:32 AM CST
My 20 gal. tub of plant water...............frozen for the second morning! Crying
drdawg (Ken Ramsey) - Tropical Plants & More
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Name: Jim Hawk
Odessa, Florida (Zone 9b)
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hawkarica
Nov 15, 2014 7:44 AM CST
The OC looks like a pretty good investment at this time of year.

Jim
Name: Ken Ramsey
Starkville, MS (Zone 8a)
[url=www.tropicalplantsandmore.com]
Orchids Greenhouse Vegetable Grower Ferns Region: United States of America Hummingbirder
Composter Bromeliad Master Gardener: Mississippi Cat Lover Tropicals Plumerias
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drdawg
Nov 15, 2014 8:03 AM CST
Oh come on, Jim. Y'all don't know what cold weather is! Sticking tongue out

I am now thinking about putting another layer of solar blanket material over most of my two GH's. I have excess material to do this. I just need some warmer weather to proceed with the project. I don't know whether that second layer will give me any added insulation value, but there is only one way to tell. Whistling
drdawg (Ken Ramsey) - Tropical Plants & More
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If God wanted me to touch my toes, he would have put them on my knees.
[Last edited by drdawg - Nov 15, 2014 8:05 AM (+)]
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Name: Ken Ramsey
Starkville, MS (Zone 8a)
[url=www.tropicalplantsandmore.com]
Orchids Greenhouse Vegetable Grower Ferns Region: United States of America Hummingbirder
Composter Bromeliad Master Gardener: Mississippi Cat Lover Tropicals Plumerias
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drdawg
Nov 15, 2014 8:16 AM CST
I am about ready to head out for another one of my favorite past-times, watching college football. My Mississippi State Dawgs (#1 team in the country) travels over to Tuscaloosa to play Bama. Bama is a 10 point favorite! Sighing! Can you believe that, we are ranked #1 and they are a huge favorite? No wonder the players, coaches, and we MSU fans have such a chip on your shoulders. Angry
drdawg (Ken Ramsey) - Tropical Plants & More
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If God wanted me to touch my toes, he would have put them on my knees.
Name: Elaine
South Sarasota, Florida (Zone 9b)
The one constant in life is change
Cat Lover Master Gardener: Florida Tropicals Multi-Region Gardener Vegetable Grower Region: Florida
Herbs Orchids Birds Garden Ideas: Level 2 Garden Sages Celebrating Gardening: 2015
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dyzzypyxxy
Nov 15, 2014 11:25 AM CST
They're only favored because the game is at home, Ken. Your Dawgs will prevail, I'm sure.

Will you only put the extra layers of solar blanket on the north sides of the greenhouses? I'd think at some point it will start blocking too much light if you double wrapped the whole thing, no?
Elaine

"Success is stumbling from failure to failure with no loss of enthusiasm." –Winston Churchill

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