Overwintering Oleanders

babywatson(7)November 13, 2007

Hi! I'm in northern VA, not the greatest place to overwinter oleanders. I have two in pots that I generally bring inside in winter. However, I do know that oleander is somewhat cold hardy. I plan to bring it inside only when it gets seriously cold here. Right now they are sitting outside on a porch that is sheltered from wind and frost. Will this be enough, generally, until we have temps that get below thirty? My sunroom is so crowded already with plants that really can't take the cold, like bougainvillea and ficus.

Thanks for any help,

Mary

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subtropix

I have a few potted orleaders. I brought the larger ones into a (currently) unheated (unattached) garage. I still have smaller one outside. They are fairly cold tolerant (within reason). I would suggest that you bring it in once temps regularly fall below 30 F. (remember, pots offer less cold protection than the ground). Good luck!

    Bookmark   November 13, 2007 at 7:26PM
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pelaus10

Oleanders are native to the tropical West Indies; thus I would protect it from 30 and below temps. Young potted oleander plants are more susceptable to extreme cold than older plants in the ground. Good Luck!

    Bookmark   November 18, 2007 at 4:43PM
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chaman(z7MD)

Frost is the worst enemy of Tropical plants.Protected from frost some of the tropicals can stand cold down to 30 deg. F. but not for a long time.

    Bookmark   December 2, 2007 at 6:16PM
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bahia(SF Bay Area)

Oleanders are not tropical plants native to the West Indies, far from it, they are native to Spain, Portugal and across the Mediterranean Basin and into Saudi Arabia. They can take quite a beating from occasional freezing weather in habitat and also in mediterranean climates, with some of the hardiest cultivars easily taking 25F temps in winter without problems. Of course in containers, the roots will obviously be more sensitive to freeze damage.

If your plants are gradually hardened off in the fall to cold, and were not heavily fertilized late in summer, they should be fine left outside with temps above 30F, and brought into an unheated garage when it gets colder overnight. They are accustomed to winter rains in habitat, so do need some watering over winter to keep them going.

    Bookmark   December 4, 2007 at 1:36AM
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windcross1_aol_com

can oleanders stay in an unheated garage with little light over the winter?

    Bookmark   July 7, 2011 at 10:45PM
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subtropix

What is your minimum Winter temperature in that garage? I overwinter several in an 'underheated'/detached garage. 50% of the garage door surface is glass and it faces directly South--so there is some sun and solar heat. But as long as your minimum temps in the garage are not much under 30 F., you should be okay!--(My Winter day temps in the garage average around 50 F.)

    Bookmark   July 8, 2011 at 9:15PM
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john_dr(SEQLD AUST)

My sister who lives near London, England has growen an oleander in her garden since 1993 and it is still there flowering every year. Now it stands over 6' high. I think oleanders are really tough plants and can stand cold conditions.

    Bookmark   July 14, 2011 at 7:36PM
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Tiffany, purpleinopp GardenWeb, Z8b Opp, AL

It got down into the 'teens at night for a few weeks here last winter and the oleanders are fine.

    Bookmark   July 27, 2011 at 3:34PM
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tropicalzone7(7b)

I never even get damage on mine when they go down to 20F! They are hardy plants that can handle the teens for sure! I protect mine pretty well which is why they survive NYC winters (not a hardy cultivator either), but they are very easy plants and I find that they actually prefer to be outside than inside!
-Alex

    Bookmark   July 28, 2011 at 12:51AM
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