Tropicals forum: Bringing Mandevilla in for the winter

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Name: Vicky Thompson
Michigan (Zone 5b)
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Cottage_Rose
Oct 23, 2016 6:19 AM CST
I purchased my first Mandevilla this year.
Love them! I'm Z5 so no leaving them out.
I have two that are pretty big.
I have limited space in my house and unfortunately I don't have a green house. Can they be cut back and how far? Any tips for keeping them happy appreciated. THANKS! Smiling

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Name: Karen
NM (Zone 7b)
Region: New Mexico Critters Allowed Region: Arizona Xeriscape Greenhouse Annuals
Cactus and Succulents Bromeliad Adeniums Orchids Tropicals Plumerias
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plantmanager
Oct 23, 2016 10:40 AM CST
I've pruned them down to about 6 inches in the past, to take them indoors. They sulk a bit because the humidity isn't high enough for them. They just do not look as good as they look outside.
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Name: Sandi
Austin, Tx (Zone 8b)
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Bubbles
Oct 25, 2016 8:48 AM CST

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@needrain can probably offer some tips also. Those are beautiful, healthy looking plants! I have never been able to overwinter them.
Name: Anna Z.
Monroe, WI
Charter ATP Member Greenhouse Cat Lover Raises cows Region: Wisconsin
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AnnaZ
Oct 25, 2016 8:50 AM CST
Technically those are dipladanias. I cut mine back pretty hard and they do great in the g'house. Of course, I have more humidity up there than there would be in the house. They grow and bloom really nice in late winter/early spring.
Name: Karen
NM (Zone 7b)
Region: New Mexico Critters Allowed Region: Arizona Xeriscape Greenhouse Annuals
Cactus and Succulents Bromeliad Adeniums Orchids Tropicals Plumerias
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plantmanager
Oct 25, 2016 9:05 AM CST
Mine also grow well and bloom a lot in the greenhouse. Our home is just too dry and misting doesn't seem to help the plants much. I've never tried the water tray like people put under orchids. That might make them happier in the house.
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Name: tarev
San Joaquin County, CA (Zone 9b)
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tarev
Oct 25, 2016 9:13 AM CST
I grow mine outdoors, but as others have done, I have pruned it hard before and it comes back nicely in Spring. Although lately I have changed tactics, allowing it to grow as it wishes. With our wacky Fall temps right now, it has actually made a late season bloom when we finally got this rains in Fall after being so dry here.

So if you bring yours indoors got to remember its temperature and humidity needs. It seems happier here when temps hover in the 70's to 80's range. If you can duplicate that indoors with good humidity it will be good for your plant. Or just got to be patient and wait for Spring, when it resumes active growing.
Name: Karen
NM (Zone 7b)
Region: New Mexico Critters Allowed Region: Arizona Xeriscape Greenhouse Annuals
Cactus and Succulents Bromeliad Adeniums Orchids Tropicals Plumerias
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plantmanager
Oct 25, 2016 9:22 AM CST
We don't keep our home warm enough for it. I am hot if it's 70. I'm not even trying to bring it in the house this year. It's nice that your plant loved the fall rains, T.
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Name: tarev
San Joaquin County, CA (Zone 9b)
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tarev
Oct 25, 2016 9:29 AM CST
Karen, I keep my indoor temps at 68F, that's about what I compromise with. Yeah, this plant is teaching me to be very patient. I was so tempted to pull it out before but then I realize it was reacting to our very long dry season and it really likes the comfy warm 70's to 80's with some rain. I don't bring this one in, just the other tender succulents. It does respond to that nice pruning.

Vicky, your growing area is much different than mine, so I do hope you can try and prune a bit and find a warm, comfy area indoors for it to grow during cold season.
Name: Donald
Eastland county, Texas (Zone 8a)
Region: Texas Enjoys or suffers hot summers Raises cows Plant Identifier
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needrain
Oct 25, 2016 6:42 PM CST
I have two plants that I bought as Mandevilla. They are similar, but not the same. This will be the third winter for one. I have an unheated porch with a glass front facing east and I hang it in there. Last winter I did cut it back because the porch is narrow and crammed with plants in the winter months. I didn't cut it back anymore than I needed, so I wouldn't call it a severe haircut. It's growing as a hanging basket, so it was cut just enough to give me air space. The new one is grown in a container but on a fixed trellis outside. It will have to be cut off more drastically just to free it from the trellis. The plan is to see if I can overwinter it in the garage under low light conditions and hope it regrows next spring when I can take it back outside.
Donald
Name: Karen
NM (Zone 7b)
Region: New Mexico Critters Allowed Region: Arizona Xeriscape Greenhouse Annuals
Cactus and Succulents Bromeliad Adeniums Orchids Tropicals Plumerias
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plantmanager
Oct 25, 2016 7:29 PM CST
That sounds interesting, Donald. Please update us next spring.
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Name: David Laderoute
Zone 5B/6 - NW MO (Zone 5b)
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DavidLMO
Oct 26, 2016 6:44 PM CST
I have one Mandevilla and two Dipladenia. I have over wintered them in my garage (worst place), a back bedroom (best place) and the basement. The plants are 2 - 4 years old.

I cut them back by about 1/2. All three get to be and are now (not in yet) 3 - 4 feet and all three are in full bloom. Whistling

The biggest problem I have is keeping the moisture up around them.

Last winter, I almost lost the Mandevilla in the garage - it died back to almost top of pot. Sighing! Thankfully - it did recover.

The basement actually works best, but I am limited for space there cause I have so much else there - brugmansias, oleander - tons of big things. But I can control the humidity there easily with a humidifier.

Good luck Vicky.
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Name: Arlene
Southold, Long Island, NY (Zone 7a)
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pirl
Oct 26, 2016 7:11 PM CST
In '92 I bought three Mandevilla vines and would cut them back to 12" and bring them to the sunny porch (enclosed, unheated) for the winter. I lost one about 2005, then the other two died a few years ago. They'd grow up the cord for the blinds.
Name: Alice
Saint Helena Island, SC (Zone 9a)
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ardesia
Oct 27, 2016 3:17 AM CST
Keeping them alive that long in your climate was pretty amazing Arlene. I suspect yours simply died of old age. Good growing. Thumbs up
Minds are like parachutes; they work better when they are open.
Name: Arlene
Southold, Long Island, NY (Zone 7a)
I was one of the first 300 contributors to the plant database! Tomato Heads Houseplants Garden Ideas: Level 1 Photo Contest Winner: 2014 Celebrating Gardening: 2015
Plant Identifier Million Pollinator Garden Challenge
pirl
Oct 27, 2016 9:04 AM CST
I was happy to have them and should buy them again next year. The prices went up dramatically. Originally they were $15.00 and now they're $30.00.
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Name: Alice
Saint Helena Island, SC (Zone 9a)
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ardesia
Oct 27, 2016 10:29 AM CST
Those Mandevillas look pretty happy too.
Minds are like parachutes; they work better when they are open.
Name: Jacquie (JB) Berger
Wrightstown, New Jersey (Zone 6b)

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JB
Oct 30, 2016 1:54 PM CST
Brought mine inside a few weeks ago, hoping they would stop blooming so I could cut them back. No such luck. The sun is still very warm and even with the shade cloth on they are lovin it in the Greenhouse. It is difficult keeping the humidity and moisture in their pots during this period. They love to be watered almost daily. I just soak them and let them go. These are all red in color.
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Name: David Laderoute
Zone 5B/6 - NW MO (Zone 5b)
Ignoring Zones altogether
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DavidLMO
Nov 4, 2016 9:56 PM CST
I lied above. I have 2 Mandevilla - not one. D'Oh! A new White one my wife bought me.
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Name: Deborah
midstate South Carolina (Zone 8a)
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Deebie
Nov 6, 2016 5:53 PM CST
No, you didn't, you just miscounted. Whistling Congrats on acquiring the white one. I found one on clearance this past summer. nodding I'm about to bring it indoors for the winter.
Name: David Laderoute
Zone 5B/6 - NW MO (Zone 5b)
Ignoring Zones altogether
Seed Starter Avid Green Pages Reviewer Garden Ideas: Level 1
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DavidLMO
Nov 6, 2016 8:23 PM CST
I will be bringing mine in soon. I brought a lot of other tender stuff in today.
Seeking Feng Shui with my plants since 1976

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