Mandevilla (Dipladenia) sanderi - yellow, dying leaves? (Part 1/3)

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Күн бұрын

'Mandevilla (Dipladenia) sanderi - yellow, dying leaves?': In today's video, we take a look at the lovely tropical vine Mandevilla (Dipladenia) sanderi and discuss its care needs - especially when it's in a pot in greenhouse, grow room or conservatory. My own plant has recently been developing increasingly yellow leaves which then drop off. Is it dying? We discuss the possible and probable causes and how I intend fixing it so that it continues to thrive.
Watch Part 2 of this series here: • Repotting a large Mand...
Watch Part 3 here: • Mandevilla Update Afte...
🕘CHAPTERS🕘:
0:00 Mandevilla (Dipladenia) sanderi - dying leaves? Let's try to solve it!: INTRO
0:29 Quick look at Hippeastrum tres Chic in bloom
0:35 Outline of the problem and look at yellowing leaves on Mandevilla (Dipladenia) sanderi
1:11 Close look at the whole plant
2:07 What causes yellow dying leaves on a Mandevilla (Dipladenia) sanderi?
3:04 Care requirements for Mandevilla (Dipladenia) sanderi vine
3:36 Do leaves die naturally on a Mandevilla (Dipladenia) sanderi?
4:22 What temperatures does Mandevilla (Dipladenia) sanderi like?
4:59 Mandevilla (Dipladenia) sanderi light requirements
5:10 Mandevilla (Dipladenia) sanderi fertiliser
5:25 Mandevilla (Dipladenia) sanderi potting media
5:48 What might be causing yellow leaves on my Mandevilla (Dipladenia) sanderi?
6:54 Can Mandevilla (Dipladenia) sanderi be over-watered?
8:33 How much water should you give Mandevilla (Dipladenia) sanderi?
9:23 Mandevilla (Dipladenia) sanderi pests and diseases
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Пікірлер: 54

@anythingbootneck 3 жыл бұрын

Now I know where I’ve been going wrong with my plant and yellowing leaves, I’ll buy another this year and try. I’m dead envious of yours, it’s a beauty.

@Grow_Up_Man55 3 жыл бұрын

Great stuff! It's nice when you can spot an issue that could be similar to yours. Mine is looking much better since I shot this (Part 2 is coming up later today) but I'm still getting the odd yellow leaf. Hopefully though, it's just in a transition phase after the repot, as it has way more blooms on it now and that's just after a week. I'm aiming to get a Mandevilla splendens this year - although God only knows where I'll put it!🤣

@TrishsOrchidLife 3 жыл бұрын

Great thought deductions on why our leaves are yellowing. Interesting to see if updating the soil helps!

@Grow_Up_Man55 3 жыл бұрын

Thanks Trish - I repotted it last week (in a video coming next) and the blooms have increased and it generally looks a lot better - although still getting some yellow leaves. Time will tell.

@TrishsOrchidLife 3 жыл бұрын

Fingers crossed! I am going to have to get another one this year. Mine decided it. I longer liked me and left!

@Grow_Up_Man55 3 жыл бұрын

😂 They can be awkward!

@edwardwiper1323 3 жыл бұрын

Although i do not have one these i still found it very informative as this could well apply to other potted plants.

@Grow_Up_Man55 3 жыл бұрын

Thanks Edward I appreciate your support. 🙏 You’re right. I can’t claim this idea as my own, but it’s a change of perspective that I think could be a game changer.

@canadianhaven 3 жыл бұрын

Great info Geoff, thank you! Believe it or not, but we have one planted outdoors in on a west facing wall of our house. It dies back, but comes back each Spring. I'd love to dig it up, pot it and bring it in for the cold months. I'm sure it would be much happier. Take care!

@Grow_Up_Man55 3 жыл бұрын

Thanks Ruth, I'm glad you found it interesting / useful. They're supposedly tropical and won't take below 15°C, but I imagine there are hybrids that will take lower temps. There are also quite a number of species. Also being in the ground can help greatly as it it has a large starchy route that goes deep. I think most of my issues are those of it being confined to a small pot! I'm aiming to get Mandevilla splendens - another species but with different colours. No idea where I'm going to put it!🤣

@edwardm9975 Ай бұрын

Ours go down to 22 degrees ! Love them ❤️

@SemihydroponicswithSma 3 жыл бұрын

Great, now I need one of those too🙄 Great deduction! I can't wait to see how she will react to the changes.

@Grow_Up_Man55 3 жыл бұрын

I think you should get one of every plant I own!🤣 I filmed that a week ago after I'd done a repot. So far so good - fewer yellow leaves (but still getting them) but loads more healthy looking blooms. Fingers crossed.🤞

@nicolemiller7022 2 жыл бұрын

@@Grow_Up_Man55 I need your help please. I've got two Mandevilla plants. One vining and tall on a wooden trellis the other is smaller has vines but it's more like a shrub to me. Both beautiful favorites of mine. I'm new at this. I lost one to stupid mealy bugs last year. This year my big one I bought in distress. I took the challenge bc I felt so bad for what I saw in such a gorgeous favorite. I won lol I saved her but it's definitely still in need. No flowers and now that I brought her inside she's acting up. I Know a few dropped leaves is Normal bc it's adjusting to indoors n lack of light ( I bought a light so rn just a purple grow bulbs over it and I'm installing the shop light tomorrow. Question is how can I stop the wilting of the leaves. They've got dry brown big spots..please help

@Grow_Up_Man55 2 жыл бұрын

@@nicolemiller7022 Tricky one this - as it could be all sorts of things - all of which results in dying leaves. But the first thing to spring to mind is the move inside. These tropical plants need lots of light - they won't adjust to lower light, they'll just dump their leaves. Try to improve the lighting, but take care not to overwater as they can very easily get too much if they're not in active growth. I've found the younger the plant, the more it's susceptible to watering issues. If it does drop all it's leaves don't despair. Many tropical can act like a deciduous plant in certain circumstances. Providing the stems remain green underneath when scraped with a knife, it'll come back once the light improves. Good luck!

@tia6776 Жыл бұрын

That’s great information I live in fuerteventura and I just lifted the pots and found no drainage so we have drilled 3 holes loads of water came out just hope they Survive now thanks ❤

@Grow_Up_Man55 Жыл бұрын

Oh how I envy you your climate, Jill! I was in Fuerteventura in spring - had a fabulous time. Mandevilla should do really well in your climate. Sounds like you've done the right thing with yours. This video is a really old one - I did an updated care video quite recently, with all the latest things I'd learned about mine. If you're interested here's the link: kzfaq.info/get/bejne/a9yqlrt9yti6mn0.html

@Grow_Up_Man55 3 жыл бұрын

You can watch Part 2 here: kzfaq.info/get/bejne/kNB0fJWC0bXSiZs.html and Part 3 here: kzfaq.info/get/bejne/sLWjps6f0bzXhZc.html

@zoponex3224 Жыл бұрын

I am so surprised your dipladenia thrive under shade cloth! It's certainly a versatile plant; mine is sitting on my patio in the high desert of southern New Mexico (very close to Mexico, in fact) with the brutal sun almost touching it for a good 10 - 14 hours a day. What saddens it is the torrential rains of the monsoon season. I'm going to need to report and do a better job of protecting it in future. Thanks for your tips!

@Grow_Up_Man55 Жыл бұрын

I do have grow lights on them - although this is an old video so I might not have done at that point. I have a more up to date video I made recently about Mandevilla care at this link: kzfaq.info/get/bejne/a9yqlrt9yti6mn0.html

@yexcellgutierrez481 2 жыл бұрын

Hi! Love your videos about mandevilla. I noticed mine have lots of yellow leaves and there are no blooms anymore. I live in Florida and the weather changed from very warm to a bit coolish now. I am very sad they were soooo beautiful all year long until now.

@Grow_Up_Man55 2 жыл бұрын

Thanks! Yeah a drop in temperatures will definitely cause that to happen. They're happiest above 15°C. However, providing you can keep it above 12°C it should back again when the temperatures warm up a bit.

@sherrikosches9992 2 жыл бұрын

I just watched your yellow leaves on a Mandevilla … I bought mine as a very small Diplandalia, trained it up a trellis with difficulty. I’ve had Approx a year. She is my masterpiece, about a year old and blooms and blooms and blooms September through April when I have sun (I’m Florida) my leaves were turning yellow and also we’re light yellow will green lines in the middle of the leaf. After I saw your video… I was shocked!! I measured (we have the same moisture meter) and the same problem!!!

@Grow_Up_Man55 2 жыл бұрын

Oh Sherri I hope you manage to solve it. It might be worth watching the follow-up to this video because I show you what happened. I'm happy to say mine is looking great again after the repot. Good luck with yours!

@Dstromb232 Жыл бұрын

What I did is took a pencil and poked holes down to the bottom 0f the pot and did this all around the plant. It helps to get air to the bottom to prevent the bottom roots from sitting in wet soil. It worked for me.

@Grow_Up_Man55 Жыл бұрын

Sounds like how I deal with orchid pots. Whatever works in your environment. Good tip. 😀

@nigelesp 2 жыл бұрын

I just bought two a month ago and so far so good. Repotted them into bigger pots and man they are racing one another

@Grow_Up_Man55 2 жыл бұрын

Yeah they're great plants - I also just bought another one - different colour this time. I recently made an updated video on Mandevilla care based on what I've learned over the past 3 years. Might be useful - here's the link: kzfaq.info/get/bejne/a9yqlrt9yti6mn0.html Good luck with yours!

@kathymacomber5115 3 жыл бұрын

I cut my way back each year..would that help? I agree potting mix change is necessary due to all the energy put in blooming

@Grow_Up_Man55 3 жыл бұрын

I don't want to lose all that top growth that's twined itself around the trellis but yeah if all else fails I'll prune it right back. I actually think now that it's still in the same pot it came in so hopefully the repot (in a video coming soon) will sort the issue.

@erinb3323 2 жыл бұрын

Hi, I need some help trying to figure out the right way of wintering my mandevilla indoors. I have now had two of them dry out on me. I read about different ways of wintering but two have not worked out. It gets oveewhelming trying to figure out the right way to do it. I live in Canada so our winters get cold and I have to bring it indoors, I don't water it a ton during the winter months, seems like they dry out everytime. I stuck them in two different spots each winter but nothing. Would be greatly appreciated if someone pointed me in the right direction for wintering mandevilla. They have also been in nice big pots outdoors and indoors.

@Grow_Up_Man55 2 жыл бұрын

Difficult to say for sure as it could be a number of factors. But I would definitely look at light in the first instance. These are high light plants and will slowly die if they don't get enough. I would say most houses are not going to be bright enough without supplemental lighting. The next factor is temperature. There are exceptions with some hybrids, but many prefer to be over 15°C or they'll start to drop leaves. You're right not to water much through winter unless there are signs of growth. Another thing to point out is that even if all the leaves drop, this plant has the ability to re-sprout from the roots - so don't give up on it unless you're certain it's dead. I made a more up to date care video very recently you might want to try. Here's the link, and good luck with yours: kzfaq.info/get/bejne/a9yqlrt9yti6mn0.html

@jennifermorgan1887 3 жыл бұрын

Hi! The nursery suggested I put mine in a bigger pot nice I got at home, which I did & that they like a lot of sun. I water it maybe twice a week if was really hot outside being in the sun & all. But the past week the leaves have been turning yellow, spots on some of the leaves & they are starting to fall off. Some of the steams are drying up & it’s not blooming flowers as well either. I stopped using Miracle grow in the water scared I was burning it & sprayed some Insecticidal Soap on it in case those spots on leaves were from any bugs. But the soil is still dry on top but 8-9 on the moisture soil meter. Oh, I did mix a little sand with the soil as well, I’m at a loss on what else I should do, does anyone have any other suggestions please?

@Grow_Up_Man55 3 жыл бұрын

If the moisture meter says it's still wet underneath then I'd hold off from watering. Have you got the pot raised up so it's not sitting in a puddle of water? Can it properly drain through and get the air underneath the pot?

@pamelahayes8029 Жыл бұрын

I just got a red mandevilla for mothers day an it has some white spotts on the leaves an some black spots on the leaves .how do i treat this an help it ??

@Grow_Up_Man55 Жыл бұрын

Difficult to say exactly what's wrong from here - but assuming you can't see any signs of insects - even with a hand lens - then I'd just give it a spray with a fungicide and see what the new growth is like.

@katrinahendrey9826 3 жыл бұрын

Hi could I grow mandevilla sanderi in a large hanging basket ?

@Grow_Up_Man55 3 жыл бұрын

Hi Katrina, yes you can - there are even hybrids grown specifically for this purpose, that don't vine at all. But I've had 3 cuttings of Mandevilla sanderi (the vining species) in a pot for 2 years and it's still not started to vine, so I see no reason why it wouldn't go very nicely in a hanging basket.

@joannparker1977 11 ай бұрын

I have mine on my balcony in full shade. And it’s been blooming like crazy and vining all over the place since the end of April. And it’s been healthy and beautiful. Fast forward. It’s now early August. And I live in Austin, Texas. And our summer has been experiencing extreme. And I mean extreme heat for weeks. The base of the plant doesn’t have many leaves anymore. And the poor plant is stopping its blooming. But it’s in no way dead. It really just needs to be taken inside. I will cut back the tendrils and take it inside. And I will bring back out in mid-September when summer subsides. They are considered annuals here because we get bouts of extremely cold weather in winter. I expect it will die when it gets really cold.

@Grow_Up_Man55 11 ай бұрын

Some hybrids reportedly can go right down towards the low few degrees above frost level but obviously it depends which you have. Mine definitely doesn’t like to go much below 15 degrees C, without going into a semi dormancy. A lot depends on the maturity of the plant and the light intensity it gets.

@vanschermerhorn7167 Жыл бұрын

Great presentation . Would it be better to grow in a clay pot instead of plastic ?

@Grow_Up_Man55 Жыл бұрын

Thanks! Although this is an old video. And yes, clay pots are better for these kinds of plants. Here's an updated care guide on it: kzfaq.info/get/bejne/a9yqlrt9yti6mn0.html

@joyj6702 2 жыл бұрын

Hi thank you.. my red mandivila keep dying every year.. i am from india i do terrace gardening .. is ths plant cant tolerate sun very well??

@Grow_Up_Man55 2 жыл бұрын

Hello Joy. It's hard to say without knowing more about the growth factors it's being subjected to. Generally they like the sun. But life in a pot is a lot more stressful for a plant than life planted in the ground. Maybe the pot is getting too hot? What watering regime are you following? I've recently released a new and updated video than the one you watched - which is over 2 years old now. I suggest you watch that one and see if it helps with your problem. Here's the link: kzfaq.info/get/bejne/a9yqlrt9yti6mn0.html

@joyj6702 2 жыл бұрын

@@Grow_Up_Man55 thank you somuch i will go through your every video.. i planted in a earthen 12 inch pot .. 50%sand 20% soil 20% compost 10% horn meal... cocopeat some( well drained soil). during summer heat went upto 44 to 46 degree Celsius may june july... india also belong to tropical..tried alot but unable save ths red variety but white mandivila is really doing well .. i m really thankful for your videos where i get lots of insights.. thank you.. will follow you in Instagram n pinterest

@Grow_Up_Man55 2 жыл бұрын

@@joyj6702 You're welcome! They are some very high temperatures compared to what I'm dealing with here - but it does come from the tropics so should be able to cope. Yours could possibly be a hybrid which might affect things. I would definitely try to keep the pot cooler with some shade, and make sure it gets plenty of water at those temperatures. Good luck!

@kimlewis5429 9 ай бұрын

Mine were burning up in the front yard , i trimmed them down , mived them to morning sun in the back yard. Now they are absolutely beautiful..its mid October in zone 9b and they are still blooming! I also used 2-3 hydrogen peroxide treatments and fed them with bloom food after they started growing again in the morning sun. Im about to prepare for winter now and dont know where to place it inside. I dont have a morning sun window ..

@Grow_Up_Man55 9 ай бұрын

I have mine with zero sun all winter in a greenhouse - but I do have supplementary lighting which helps. I made a more up to date care video which might help here: kzfaq.info/get/bejne/a9yqlrt9yti6mn0.html

@a.p.sarkar3967 2 жыл бұрын

Good post .It will be even better if main points are also displayed on the screen in short.

@Grow_Up_Man55 2 жыл бұрын

Noted.👍

@raquelsunshine1582 2 жыл бұрын

Why are my white dipladenia flowers browning???

@Grow_Up_Man55 2 жыл бұрын

That's impossible for me to answer, Raquel, without knowing your exact growing conditions and how you're caring for it. It could be watering, sunlight, pests...a number of possibilities. I've made a more up to date Mandevilla care video I'll link to here, but if you want to expand on your question I'll do my best to help. Here's the care video: kzfaq.info/get/bejne/a9yqlrt9yti6mn0.html