Variegated Monstera Care
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(I'm combining these into one post since, really, the care for variegated Monstera doesn't differ much in anything except for maybe light. This will thusly be a general care for your Monstera Albo, Aurea and Mint.)
ABOUT
Variegated Monstera are a subspecies of the popular Monstera Deliciosa (a flowering plant native to tropical forests of southern Mexico) characterized by large patches of white (albo), yellow (aurea) or speckled green (mint.) They have been introduced to many tropical areas and are considered a mildly invasive species.
FUN FACT - The fruit of variegated Monstera are also variegated! The smell has been compared to a combination of pineapples and bananas. The fruit is edible (safe for humans) and, I'm told, delicious - hence the name.
FAMILY
Araceae
LIGHT REQUIREMENTS
(Here's one place where things will differ, a bit.) Generally speaking, for most Monstera I would suggest a bright indirect light, near a sunny window, or under a grow light would be best. Monstera Albo, specifically, require quite a bit of light to keep from browning (more on browning later.) So I would put the emphasis on 🌟 B R I G H T 🌟 for them. Other types, Aurea and Mint are a little more forgiving, though I wouldn't consider any variegated Monstera "low light." Mine (personal and shop plants) are kept under grow lights for about 14 hours a day at 250 PPFD.
TEMP / HUMIDITY
60 - 80° F (15.5 - 26.5° C) / 50% + Humidity.
Monstera, in general, are pretty tolerant to most normal household conditions. As with any tropical plant, they'll certainly do better (grow larger, and a bit faster) with higher temperatures and especially humidity, but they have no problem getting on in less ideal conditions either. They're pretty hardy.
WATERING
Monstera like to dry out a bit between waterings, so I'd say when the top few inches of soil have dried out (it should be dry down to your finger if you test that way, or I like clear pots so you can see where the soil is still moist much more easily.) You can also check for guttation, or the lack there of, or the leaves are another good indicator - If you notice them drooping or feeling a bit thin, it's probably gone too long without a water.
Important note: If you do suspect your Monstera has gone too long without a water, be careful not to flood it. I would suggest a little bit at a time over the course of the day. When a plant is severely dehydrated (and this is true of any plant, not just Monstera) it's root can't absorb the water effectively, causing the remaining root system and surrounding soil to become overly saturated - The perfect environment for rot.
GROW MEDIA
A chunky well draining mix, something heavy with perlite, orchid bark or coco husk. (Or semi-hydroponic media, I've had success with both Pon and LECA and even Perlite.) They also like to be a bit root-bound, so I would up-pot conservatively and not as routinely as with some other plants.
GROWTH RATE
Growth rate is going to depend a lot on your conditions. Faster in ideal conditions or in the summer months, slower if colder or at lower humidity.
EASE OF PROPAGATION
On a scale of 1 (easiest) to 5 (most difficult) I'd say they're a 3. I've had great success propagating these guys in perlite (treating it like LECA, basically, in a net pot with a reservoir.)
TOXICITY
Mildly toxic to humans and animals. (Most commonly oral irritation, but in extreme cases can cause vomiting and difficulty swallowing.)
ADDITIONAL INFO
Monstera are (hemi)epiphytic which means they start their life on the ground and then begin to climb up surrounding vegetation (or structures) as they grow. As such, they definitely do benefit from having a nice support to get their aerial roots in or around. Obviously, moss poles are a popular choice, personally I find them to be a huge enormous pain in the ass (my ass, your ass, all asses everywhere, really) to maintain and so I tend to only use them when I absolutely must.
My Monstera are all on coir poles, some people like to use planks, they climb trees in the wild so I promise they're not particular. Whatever you go with, be prepared to anchor it as the plant gets larger.
Lastly, I'm going to take a minute here to talk about...
BROWING & SILICA
One of the most common issues to befall Monstera, specifically the Albo variety, is browning on the variegated parts of the leaves, and (unpopular opinion forthcoming) in response, a lot of the plant community has taken to Silica as some kind of panacea for all that ails your plant. Especially when it comes to browning.
Now, I'm not saying there are no benefits to Silica. There have been a couple of studies that have found, particularly in hydroponic environments, that silica can act as a root inoculant, helping to strengthen the plant in those extreme condition, but it seems to have taken on an almost miraculous status and it is absolutely NOT going to save your plant dying.
What will? Identifying and correcting the problem. (The cause of the browning.)
So what causes browning? The first thing to know is that the variegated leaves (the white parts) on your plant do no benefit the plant at all. They produce no chlorophyll, and so cannot aid in photosynthesis. When something is wrong with the plant, when it's unhealthy or stressed, it will cut that dead weight (the white parts) in an effort to conserve it's energy and save itself.
The most common causes of browning in Monstera Albo are:
- Not enough light (and I would argue this is the most common. However much light you think your Albo needs, it probably needs more. Again, all those beautiful white bits are not helping your plant to photosynthesize, so it needs an assist from you in the form of very ample light for energy to stay nice and healthy.)
- Inconsistent watering. Including;
- Overwatering - If your brown spots are a bit soft and squidgy, this could be a sign of overwatering. Often this will occur on the lower, older, leaves first and may or may not be accompanied by some wilting or yellowing.
- Underwatering - If your brown spots are crispy this could be a sign of underwatering. Typically this will present first on newer leaves and may also be accompanied by curling leaf tips / edges and / or yellowing.
In either case, and as mentioned above, long periods of under or overwatering can lead to root rot. So if the browning / wilting / yellowing of your plant is extreme, you might also want to pop him out to check his roots.
There are some other (less common) causes of browning, including fertilizer burn and fungal issues, but 9 times in 10 it's light or water. So I would definitely investigate the horses before the zebra.
Anyway. Thanks for coming to my TEDTalk. If you have any questions, or some advice of your own to offer, please feel free to comment below.
Thanks so much for stopping by!