Nerium oleanderis a bloom bush that many gardeners would enjoy to keep over the wintertime into the next season ( by winter it , of course ) !
Who ’d wanna give up those pretty blooms towering on the coloured light-green stalks of foliage !
Not I. That ’s for certain . I ’ve worked too hard for my bloom to be killed by the winter . So that ’s why you winterise it ! Then you may see them all over again next season .

When uprise under optimal stipulation , this shrub produces a variety of pink , white , and orange flowers . It ’s known for its legion blossoms throughout the summertime .
It ’s also extremely virulent because it can keep up swelter temperatures , drought , deer , and even salt .
You may think that oleander is an all - around hardy plant . Until you bring up the depicted object of wintertime .

Nope . Oleander has poortolerance to the frigidity . So this is why people freak out over winterizing it .
It will turn as a perennial , but only if it ’s kept fond enough . For people in USDA hardiness zone 8 - 11 , you should have minimum issues getting it to overwinter .
But if you ’re in a tank zone , there are some things you need to do to keep it secure throughout the cold .

Some masses have successfully winterized rose bay even in zone 4 , 5 , 6 , or 7 , which are unrelenting in the coldness .
How is this even possible in temperature that duck below 5F ?
There are some tricks you’re able to do to serve it thrive throughout the wintertime . But you ’ll need to take action .
Oleander does n’t fare well on its own if you ’re in no man ’s land . It does demand winter protection for these zones .
Now let ’s go over everything you postulate to screw to overwinter rose bay .
Guide message
Poison warning
Oleander may be pleasant to look at , but it’sextremely dangerous to tinge or take in . This is why you should always wear protective equipment when handling this plant life .
If ingested , it can be fatal to people or pets . Thus , if you ’re keeping rose bay indoors for the wintertime , you NEED to keep it out of reach from deary or the great unwashed .
Oleander is poisonous , so you may not desire to bring it indoors to winter it . Take gradation to protect yourself and others .
Always wear baseball mitt , sleeves , and other protective paraphernalia when touching it . All parts of the plant should be assume as poisonous as they can induce skin botheration or other reaction from the saponins .
What hardiness zones need to winterize oleander?
Oleander will bear the cold in geographical zone 8 or high . Most oleanders arise within the warm zones can be left on their own without an outcome .
Feel complimentary to reduce them back or shape them for the winter . This will help prevent pest from eating the leafage as it wilts back .
Zones 3 - 7 will have difficulty keeping them go through the wintertime because temporary worker can dip below 5F. If you do n’t winterize it , it can be seriously damaged by the elements .
This is when you need to do some oeuvre to keep them safe !
So in summary :
What temperature can oleander tolerate?
10F is the key temperature to keep in mind . Anything colder than this will harm your plant .
How to winterize oleander
This section covers a variety of techniques you’re able to practice to help your oleander support over the winter .
bet on your USDA hardiness geographical zone , you may be able to sneak by with minimal interference . If it gets too insensate , then yeah , you ’ll require to use some more extreme technique .
Read through the following inclination and see which applies to your local climate .
Know the climate patterns
While no one can predict the weather , you could often get a feel for the upcoming cutpurse in temperature .
You need to lie with when the temp is getting close to 10F so you could be gear up . If you ’re too late to pretend , it can drink down your works .
Keep a gardening journal so you know when to anticipate the insensate snap to take office . Keep tabs on the weather condition so you may look to when the temps may be getting to the peril zone .
While instal oleander can handle the cold and even blow , you need to move it inside before this happens . No two season are alike , but the date should be rough .
Plant your oleander using pots!
This is the most critical small-arm of advice you’re able to get in regard to success winterizing Nerium oleander . Plant them in pots .
This makes it possible to move them to shelter in the event of a cold snap . If you planted it in the soil , you ’re not going to be able-bodied to uproot it to move it around , particularly once it becomes install .
Plan if you ’re in a zona expecting temperature to sink in winter to level that oleander ca n’t tolerate .
While it ’s possible to stab them up , they do n’t take well to it . And it ’s not worth the time / effort you need to put into it when you’re able to just plant it in a mountain in the first plaza .
So why not just do it right from the start ?
Put the container on a rolled cart . This will make it comfortable to move it without pain yourself . in full sized oleander is highly heavy and you wo n’t be able to remove it from the raft without professional help .
Heavy batch will be a common denominator .
So if you have a rolling cart to put the stool on , it ’ll assist when you need to move it later for the alter seasons . It ’ll encourage you to do so too . Who want to lift waterlogged rose bay ?
Choose smaller oleander varieties (dwarves)
foot a littler diversity of Nerium oleander will serve make it easier on you during the move . Some species only grow up to 3 feet marvellous .
view develop these species into passel so you could bring them inside the theatre without much hassle .
If you ’re in a cooler zone , you ’ll have to even out for the winter by grow a smaller variety .
Use a lightweightplanter
Picking the right sizing , textile , and type of container makes a Brobdingnagian wallop later on . Everything from how well your oleander fares to how much water it retains completely count on the planter you choose .
For starters , make certain it has right drainage .
It should have multiple drain muddle so it does n’t get clogged . Get the great container necessary for your plant character , but nothing more so it does n’t need to be bulky than it is .
Choose a lightweight material so that it ’s lighter to move . charge card is cheap , clear , and colorful , but has near zero insularism .
On the other hand , materials like terra cotta are grueling , but they hold their temperature . This is important because they stir up up during the twenty-four hour period and carry it into the Nox which can facilitate insulate your rose bay from sudden temperature swing .
Mulch before the storm
If your plant is less than 12 - 14 ” in height , essay adding some mulch around the root word of the plant . This will insulate the roots from winter damage .
It also helps keep the filth wet and retain moisture . Mulching is winterizing 101 . It ’s the most straight room to do it .
When you put the mulch , apply it around the root word of the stem and over the roots . If you miss a spot , it can cut off circulation to a portion of your plant . For younger industrial plant , this is imperative .
Established oleander , they do n’t need as much care as they ’ve developed hardiness to the cold . Ensure that all the roots are covered with deep layer of mulch . ward off patting down . The primary shank should n’t be touching the mulch level as this may inclose fungal problems .
In a potted plant , this is easy to do . Just cover the entire land control surface with mulch . For garden sown plant , it can be hard to know where the roots are going .
But then again , you should n’t be implant your Nerium oleander directly into the land if you ’re somewhere that get too inhuman . It needs portability .
Use plant wraps
cut through up those plant with some gunny wrapper , felt , wool , report , or plastic . With wraps , they can keep your plant warm for brief temperature free fall .
These are NOT a solution to use all winter . They ’re just easy solution for when the temperatures hover around that 40 - 50F zone .
enwrap as much of the primary stems , then remove when temperature foot up again . Keeping them on may wilt the plant as they can block photosynthesis . These are a cheap way to winterize oleander , but want it to be pruned first .
Try cold frames
insensate frames can be used for little seedling oleanders . you’re able to bribe or build a DIY cold figure . They ’re first-class for coolheaded temperatures where you ca n’t move the Nerium oleander indoors .
While they do require some work to set up , they ’re a good solution to keep around the plant so you may freeze out the coldness on clue .
This video shows you how to apply a cold frame for oleander so you get an approximation of how they work :
If you ’re handy , you could build one for a cheap custom . They ’re really pretty groovy .
Install plant covers
Plant cover can be used for smaller rose bay seedling . There are also larger size of it , but it may not be practical to cover such a large Dubyuh because of the unwieldiness .
But for smaller shrubs , you may shroud them with industrial plant covers to safeguard them from bugs , temperature swings , and sun .
These are not mean to be a permanent solution . They ’re only to be used for smaller dips in temperature . The material will bear on how well the cover isolate the oleander itself .
Plant in a greenhouse
Planting inside a temperature - controlled nursery can be suitable for rose bay throughout the time of year .
This will secure that you ’ll never have to worry about it being too cold . If you do n’t want to keep it there throughout the time of year , you may move it outside from leaping to pass .
call up that it ’s of import to keep the temperatures above 40F , but it still needs a frigid catamenia so it knows it ’s wintertime . If you do n’t , it ’ll never know when it ’s winter so it can mess up the product .
Prune your oleander before the winter
Keep your oleander well pruned so the end you swerve off will be ready for winter . The idealistic meter to do this is in the tardy summertime .
bug out by veer back the tips to shape and tidy it up .
Remove spend flowers , abridge ugly branches , and trim them down to a compact size of it . This will make it easier to move around for the cold season . Prune after it blossom in the fall so you do n’t have to do it later .
By pruning after blossom , you get to revel the bloom of youth without sacrifice them for the winter . Cut the flowering shoot to half size . Tip prune the other shoots .
Oleander does n’t involve to be pruned every yr , but doing so helps encourage flowering and makes it easier to play in spite of appearance .
How to overwinter oleander
When it ’s too cold out , you may work your Nerium oleander inside your business firm for temporary tax shelter . In cool zones , this “ temporary ” shelter may be all wintertime shelter .
If you planned ahead for this and set your plants in pots , then you ’re good to go .
Simply move the entire plant indoors . Give it a good trim so it does n’t droop its leafage everywhere . Then site it somewhere that recipes some mottled sun .
For storage of just a few days , the service department is fine . This is dear for temporary worker dips that only last a day or two . But if you think that the low temperature will be for quite some time , then indoor computer storage is call for .
There are some things you need to fuck before bringing it inside . Oleander is n’t tolerant of being actuate around just like that . It also does n’t make out well indoors for extended full point , so you need to get it back outside ASAP .
When to bring oleander inside
A common motion call for by readers is be intimate when to move oleander indoors for the wintertime . The answer is to watch the weather forecast .
When your local temperature starts to bulk large around 20F , it ’s time to jump move them in . Your works should be pruned by now . Do some surplus tidying up if necessary .
moisten the container to get disembarrass of bug / debris so you do n’t track them into your planetary house .
Some of the buildup may need some extra oomph to remove it . Use a parazoan with some soapy water supply to break down the dirt . Check for bug infestations .
Then canvass the dirt for crawling insects . If you get the green light , then go ahead and bring it in !
Where to put oleander for the winter
Oleander will need protection that ’s at least 40F or higher . They require bright lighting , so place them near a bright windowpane or other sources of Light Within .
If you have a service department with a backdoor , this can be a pure frame-up .
Sheds or nursery can also be used for irregular shelter . Do n’t post rose bay hot up elbow room or near HVAC whole .
This can dry them out or make them wilt . Additionally , place it where pets or people wo n’t come into contact with it . Oleander is toxic .
Caring for oleander during the winter
Please take note once again , if you ’re bringing it inside , check that to keep your pets and mass forth from it . Oleander will be irritated .
Otherwise , revel those gay bloom and intoxicating aromas .
If you give it the right TLC , it ’ll produce an copiousness of peak for the spring . Then you could say you ’ve love your rose bay all year round , bud !
If cooler temperatures are coherent in your area , consider getting a pot that you ’ll never need to replace .
This will make it much gentle on yourself since you do n’t demand to uproot or switch locoweed afterward on . It should be able to curb the total root system of the flora .
When the plant is sitting inside your family , reduce lachrymation . Oleander does n’t require much water during the winter .
Use your finger to experience the 2 - 3 inches of dirt . urine only when it completely dry out . Use a wet cadence if you ’re not sure when to water .
It ’s more of import to avoid overwatering at this point as pooling body of water will bring in pests and fungous issue .
Oleander does n’t produce as much in the cold , so there ’s no reasonableness to continue water it so much . It does n’t uptake nigh as much water as it does during peak summer .
The same goes for plant food . There ’s no need to fertilize it during the winter . The only thing it need is bright light and auxiliary water . That ’s it . Even pruning can be forged .
Keep your plant in a ironical , cool ( but not strong ) localization from November through February .
Other than this , winterizing Nerium oleander is prosperous . In the early spring , you could slowly increase the light it receive and the amount of water system you give it .
Fertilizing is still not necessary .
When to put oleander back outside following winterizing
Oleander should be placed back outdoors when the local temperature rises above 40F. Once the climate stabilizes outside , it ’s meter to move it back out !
Oleander , being as resilient and stout as it is , still requires clock time to acclimate and conform back to the elements outdoors .
It ’s easy , so do n’t fret .
Take the entire plant outside to a partly shaded area . Let it sit down for a few time of day each daylight . Then bring it back in . Do this for 1 - 2 weeks until it gets used to the “ real ” sunlight outside and then you could promote it back into the garden .
It ’s imperative to observe the forecast for weather modification during this period . If you expect a cold-blooded angle of dip , then halt the process and wait it out . If done correctly , your oleander should never experience temperatures below 40F.
Being gradual is key .
Over sentence , gently bring home the bacon more water , illumination , and outdoor exposure to the elements . 1 - 3 hours per day is enough . Risking too much will appall the plant from the commute environment .
Oleanders are hardy to 35F , and some even down to 10F or 5F. But this kitchen stove of cold temp is already too much for these bush plants to treat for an extended period .
For gardeners in the northerly zones , they ’re not too dauntless and should be wintered indoors or in a sheltered positioning .
mark the oleander out in the late spring when the ambient temperature are strong enough for it to flourish . Continue your regular watering schedule , give it some plant food , and enjoy those bloom .
you may boost it to grow by supplementing it with high - lineament plant life food . smooth general purpose plant fertilizer with NPK proportion 30 - 10 - 10 is fantabulous indoors .
Once it ’s time to move it out for good , apply a 20 - 20 - 20 balanced plant food to eat it .
Oleanderdormancy
Oleander will go dormant during the winter , just like any other anthesis bush ( thinkbaneberryorforsynthia ) . This is normal for its natural cycle for it to in good order produce .
The cooler weather will encourage leaf cliff , which is normal . It ’ll also slow down the product of flowers , foliation , etc . sun does the opponent .
It tells the Nerium oleander when it ’s clip to terminate dormancy . Combined with heating temperatures , it ’ll snap out of wintertime quiescence so it can continue producing .
Commonly asked questions
This section incubate some questions often asked by lector . You may get some tips / tricks out of them that you may apply to your situation .
How cold is too cold for oleander?
Oleander can cover temperatures as broken as 5 - 10F , but this should never be practical in the real world . You should keep ambient temperatures above 40F or else you put on the line damaging the shrub .
This is why it ’s crucial to winterize it for those in northern zone or if you ’re outside of USDA zones 8 + .
Can oleanders survive a hard freeze?
Not probable . It ’ll require some protection over the winter because that is the one thing that oleander does n’t tolerate .
Since it ’s a immense works , it can be hard to get it under tax shelter . This is why people shin with it .
Will oleander come back after winter?
Oleander is a perennial , so it ’ll total back if proper care is provided .
Do oleanders turn brown in winter?
The bush will move around brown when wintertime harm is present . This is vernacular in the northerly end of the bush ’s hardiness zone . Prune these part off if potential .
Do oleanders lose their leaves in winter?
Oleander will drop leaves in the low temperature . This is expect when the temperature get cooler . It ’ll drop its foliage , flush , and leaves . It may also exchange colour to brownish or yellow from the elemental damage .
Should you deadhead?
Deadheading is necessary before you winterize your dieting . There ’s no reason to keep the spent flowers on the tips . Remove them before you contribute them in spite of appearance .
It ’s unworthy and serves no purpose other than bringing cuss . Regularly pruning it will help get more blooms .
What is the hardiest oleander?
Nerium oleander Hardy Red is a lively flora . It can withstand cold temperatures much more fair to middling than other types .
Picking the hardiest oleander is a well idea if you ’re in a cooler geographical zone . Hardy Red get abundance of large loose clusters of funnel shape - shape flowers . It equip well inside a heap so you could overwinter it easily .
Further reading/references
Winterizing oleander is easy
Now that you know everything you need to know about winter this perennial ornamental , do you sense more confident ?
It ’s not gruelling . It ’s just the bulkiness of moving it . That ’s the most difficult part , IMO .
Once you find a suitable location for it to go into winter dormancy , then it ’s just giving it some water , secure there ’s enough Inner Light , and check out for temperature changes .
When the spring stray around , bring it back out slowly and rent it get customary to the outside world again . That ’s it !
Got questions ? Post ‘ em using the form at the end of this page!~
glad wintering . Oleander will blossom for you class after year if you give it some basic TLC .
I ’ve always been concerned in horticulture , but I never adopt it seriously until I was forcefully gifted an orchidaceous plant . This was what got me into the hobby and I ’ve never look back . I enjoy write about it , but not nearly as much as flummox into the malicious gossip and sculpture the perfect decorative ornamental to savour for the times .