How to Propagate Orchids from Keikis: Free Baby Plants from Your Flower Spike
The first time I noticed a tiny plantlet sprouting from one of my orchid’s flower spikes, I genuinely thought something had gone wrong. My mom’s orchid collection had never done this - at least, not that I had noticed. I poked at it, Googled it, and then texted a photo to my mom, who responded with a voice memo longer than I could understand. Her Cantonese gardening vocabulary is on another level.
Turns out, I had a keiki. And it was a good thing.
If you have never heard this word, “keiki” (pronounced KAY-kee) is Hawaiian for “baby” or “little one.” In the orchid world, it refers to a small plantlet that grows directly from the flower spike or base of the mother plant - a miniature version of your orchid, complete with its own leaves and, eventually, its own roots. It is, in short, a free orchid.
Getting a keiki is one of those rare moments in houseplant ownership where your plant does you a favor without being asked. Here is how to handle it.
Why Does Your Orchid Have a Keiki?
Before we get into the how, it helps to understand the why - because the reason can affect how you handle things going forward.
Orchids produce keikis for a few different reasons. Sometimes it is just what the plant does. Phalaenopsis orchids - the ones you find at every grocery store and hardware store - are particularly prone to producing keikis, especially as they age. Some hybrids are just genetically inclined to grow them.
Other times, stress is involved. An orchid that is struggling - overwatered roots, inconsistent care, or a sense that its conditions are not quite right - may produce a keiki as a survival strategy. The thinking, if you want to anthropomorphize a little, is that the plant is trying to reproduce before things go south. This is not necessarily bad news, but it is worth checking on your mother plant’s roots and potting situation if you find yourself with an unexpected keiki.
There is also a third option: keiki paste. This is a product containing cytokinin, a plant hormone that encourages cell division. Applied directly to a node on the flower spike, it can prompt the plant to produce a keiki on purpose. We will come back to this.
The Golden Rule: Patience
If you have just spotted a keiki and you are already reaching for scissors, slow down.
The number one mistake with keiki propagation is detaching the baby plant too soon. A keiki that is removed before it has developed its own robust root system has a very poor chance of surviving on its own. The mother plant is still feeding it, and those tiny exposed roots need time to grow strong enough to sustain the plantlet independently.
The rule of thumb that orchid growers use is the “3-3-3 rule”: wait until your keiki has at least three leaves, at least three roots, and those roots are at least three inches long. The root tips should look fresh - a healthy green or silvery white when dry. If you are seeing short, stubby roots under an inch long, keep waiting.
This can take anywhere from six months to a year. Yes, really. Orchids are not in a hurry. The good news is you do not need to do anything during this time except enjoy the show.
What You Need Before You Start
Once your keiki has hit the 3-3-3 benchmark, gather your supplies before you cut anything:
- A small pot, 3 to 4 inches, with drainage holes - clear plastic orchid pots are ideal because you can monitor root health
- Fine-grade orchid bark, sphagnum moss, or a commercial orchid potting mix
- A sharp, sterile blade (scissors or a knife, wiped with rubbing alcohol)
- Cinnamon powder or a commercial antifungal powder
- A spray bottle with water
That is it. Orchid propagation is one of the more straightforward propagation methods once the keiki is ready - the tricky part is all the waiting beforehand.
How to Detach the Keiki
Step one is cutting the keiki free from the mother plant. This sounds more dramatic than it is.
Using your sterile blade, cut the flower spike about an inch on either side of where the keiki is attached. You want to leave a little of the stem intact - it will act as a small handle and make potting easier. Try not to damage the roots during this step. If the roots have wrapped around the mother plant’s spike, take your time and gently untangle them rather than tugging.
Once the keiki is detached, dust both the cut end of the keiki and the cut end of the mother plant’s spike with cinnamon powder. Cinnamon is a natural antifungal and helps protect the wound from infection while it heals. Some growers prefer commercial orchid sealants, and those work great too. The main thing is to not leave an open wound untreated.
How to Pot the Keiki
Pre-moisten your potting medium before you start. If you are using sphagnum moss, soak it in water for a few minutes, then squeeze out the excess so it is damp but not dripping. If you are using bark, a quick rinse under the tap works fine.
Place a small amount of your medium in the bottom of the pot. Then nestle the keiki in with the roots spread out as naturally as possible. Gently pack the medium around the roots, working carefully to avoid crushing them. The base of the keiki - where the leaves meet the roots - should sit right at or just below the top of the potting medium.
If the keiki seems wobbly or wants to tip over, you can stake it with a small bamboo skewer and a loose twist of wire or twine. This is common. Orchid keikis are top-heavy when they are young, and a little support goes a long way while they establish.
Caring for Your Keiki After Potting
This is the stage where most keikis either thrive or struggle, and the main variable is humidity.
Young orchids need significantly more humidity than established ones. The keiki has just been separated from its food source and is now entirely dependent on its own (still-developing) root system. Low humidity will stress it further. Aim for 60 to 80 percent relative humidity around the plant.
In a New York City apartment in February, this requires some effort. A few approaches that work:
Cover the potted keiki with a clear plastic bag, propped up so it is not touching the leaves. This creates a humid microenvironment. Remove the bag for an hour or two every day or two to allow fresh air circulation and prevent fungal growth. Do this for the first four to six weeks, or until you see signs of active growth.
Alternatively, place the pot on a humidity tray - a shallow tray filled with pebbles and water, where the pot sits on the pebbles above the waterline. This adds ambient humidity without the bag setup.
Keep the keiki in bright, indirect light. No direct sun, especially not at first. A spot near an east-facing or north-facing window is ideal. Temperatures between 70 and 80 degrees Fahrenheit during the day are perfect. Avoid cold drafts and heating vents.
Water lightly but consistently. The potting medium should stay slightly moist, but orchid roots will rot if they sit in standing water. If you are using sphagnum moss, let it approach dryness before watering again. If you are using bark, check every few days and water when the top inch or so has dried out.
Do not fertilize for the first month. Let the keiki settle in before you add that stress.
A Realistic Timeline
Here is what to expect after potting:
In the first four to eight weeks, the keiki is just adjusting. You may not see much visible growth, which is normal. What you are hoping for is that the existing roots are taking hold in the new medium.
After a few months, you should see signs of new root growth and possibly a new leaf. This is a great sign. Keep up the care routine.
After six months to a year, the keiki should be establishing nicely as an independent plant. At this point, you can start treating it more like a mature orchid - slightly less humidity fuss, more normal watering rhythms.
Flowers? That takes patience. A keiki orchid typically takes about two years from potting to its first bloom. If you are used to the instant gratification of pothos propagation, this is going to feel like a long time. But there is something genuinely special about watching a plant you propagated yourself flower for the first time.
My oldest kid, who is six, has decided that our keiki orchid is “his” orchid. We check on it together every Sunday during our watering round. He is genuinely invested in seeing it bloom. At two years to flower, it might be third grade before we get there - but he checks the roots every week with a flashlight through the clear pot, which I think is pretty great.
What About Keiki Paste?
If you want to try producing a keiki intentionally - rather than waiting for one to appear naturally - keiki paste is a legitimate option. It contains cytokinin, a plant hormone that stimulates cell division. You apply a small amount directly to a node on the flower spike (look for the small bump under each spent flower attachment point), and over the next few weeks, a plantlet may begin to form.
It does not work every time, and not every node will respond. But it is a fun experiment if you have an orchid with a spike but no natural keiki in sight. Just do not overdo it - too much paste on too many nodes can stress the mother plant.
The Mother Plant After Separation
Before you get too focused on the baby, do not forget about mom.
After you remove the keiki, the mother plant deserves some attention. Trim the flower spike back to the base node, or if the spike looks healthy, you can leave it in place in case the plant decides to re-bloom from it. Check the roots - repot if things look crowded or if the bark has broken down into mush. Give the plant some time to recover before expecting another bloom cycle.
A healthy mother plant will bloom again. In my experience, orchids that have produced a keiki often rebloom more reliably in subsequent cycles - as if the whole ordeal reminded them that the point is to reproduce.
Common Mistakes to Avoid
Detaching too early is the big one. But here are a few others worth noting:
Putting the keiki in too large a pot. Orchid roots do better when slightly snug - too much air space in the medium can cause root rot. Start small and size up as the plant grows.
Using regular potting soil. Orchids need excellent drainage and aeration around their roots. Standard potting mix will hold too much moisture and cause rot. Use orchid bark or sphagnum moss specifically.
Forgetting humidity. This is the most common reason keikis fail after potting. It is not overwatering, it is not the wrong light - it is just that the little plant dried out too fast while its roots were still settling in.
Giving up too soon. A keiki that looks sad or droopy for the first few weeks is not necessarily dying. It is adjusting. Keep humidity up, keep watering lightly, and give it time before you write it off.
A Note on What You Are Actually Getting
One of the best things about keiki propagation - and something I genuinely did not appreciate until my mom explained it - is that a keiki is an exact clone of the mother plant.
Unlike seed propagation, which produces plants with genetic variation, a keiki shares its parent’s genetics entirely. If your mother orchid has beautiful deep purple flowers with a white center, your keiki will bloom the same way. You are not just growing an orchid - you are extending this specific plant indefinitely.
My mom has an orchid she has been growing for about twenty years, originally given to her by a neighbor in Flushing who was moving back to Taiwan. That orchid has produced two keikis over the years. She has potted both. One is now in her kitchen. The other one she gave to us when we moved to our first apartment together.
It is the same plant. Different pot, different window, different city apartment - but the same genetic lineage, blooming in the same color it always has.
That is not a bad reason to learn about keikis.
What to Do Next
If you do not have an orchid yet and you want one, start with a Phalaenopsis - they are the most common, the most beginner-friendly, and the most likely to produce keikis. Any grocery store orchid will do. Repot it properly once it is done blooming, give it bright indirect light, water it correctly (way less than you think), and wait.
If you already have an orchid but no keiki, be patient. Or try keiki paste on a healthy spike if you want to accelerate things.
If you already have a keiki - congratulations. You are a few months away from owning two orchids for the price of one.
Check out our post on caring for phalaenopsis orchids for the full guide on keeping the mother plant healthy and getting it to rebloom reliably.