Propagating anthuriums lets you turn one healthy plant into several, whether you want to fill your own space or share with friends. The three reliable methods are division, stem cuttings, and air layering. Division is easiest for mature plants, cuttings work well for most varieties, and air layering suits top-heavy or leggy specimens. Before you start, make sure your parent plant is healthy and pest-free, and gather a few basic supplies.
What You’ll Need
- Clean, sharp knife or pruning shears
- Small pots with drainage holes
- Fresh potting mix (well-draining, peat-based or orchid mix)
- Rooting hormone powder (optional but helpful)
- Clear plastic bag or humidity dome
- Sphagnum moss (for air layering)
- Plastic wrap or aluminum foil (for air layering)
- Spray bottle for misting
Step-by-Step
Method 1: Division
- Water the anthurium a day before dividing to reduce stress.
- Gently remove the plant from its pot and shake off excess soil so you can see the roots and stems.
- Look for natural separations where stems and roots form distinct clumps. Each division should have at least two or three leaves and a good root system.
- Using your hands or a clean knife, carefully separate the clumps. If roots are tangled, tease them apart gently.
- Pot each division into its own container with fresh, well-draining mix. Plant at the same depth it was growing before.
- Water thoroughly and place in bright, indirect light. Keep the soil slightly moist but not soggy.
Method 2: Stem Cuttings
- Choose a healthy stem that has at least two or three leaves and a few aerial roots (small brownish nubs on the stem).
- Using a clean, sharp knife, cut just below a node (the point where leaves attach). The cutting should be about 4–6 inches long.
- Remove the lower leaves, leaving the top ones intact.
- Dip the cut end in rooting hormone powder if you have it—this can speed up rooting.
- Plant the cutting in a small pot filled with moist, well-draining mix. Bury the node where the leaves were removed.
- Cover the pot with a clear plastic bag or humidity dome to keep moisture high. Place in bright, indirect light.
- Mist the cutting every few days and keep the soil lightly moist. Roots should form in a few weeks to a couple of months.
Method 3: Air Layering
- Select a healthy stem with leaves near the top. This works well for tall, leggy plants.
- Make a small upward cut about one-third of the way through the stem, just below a node. You can also remove a thin strip of bark.
- Dust the wound with rooting hormone if available.
- Wrap a handful of damp sphagnum moss around the cut area, completely covering it.
- Wrap the moss with plastic wrap or aluminum foil, securing both ends with twist ties or string. The moss should stay moist but not dripping.
- After a few weeks, check for roots growing through the moss. Once you see several roots, cut the stem below the rooted moss.
- Plant the rooted section in a pot with fresh mix, keeping the moss intact around the roots.
Common Mistakes
- Overwatering: Anthuriums hate soggy roots. Too much water after propagation leads to rot before roots even form.
- Too much direct sun: Bright, indirect light is ideal. Direct sun scorches leaves and stresses new cuttings.
- Cutting without a node: Cuttings need a node to root. Cutting a bare stem without one will fail.
- Skipping humidity: Cuttings and air layers need high humidity to survive while roots develop. A plastic bag or misting is essential.
- Dividing too aggressively: Taking very small divisions with few roots stresses the plant and reduces survival chances.
Tips
- Propagate in spring or early summer when the plant is actively growing—this gives the best success rate.
- Use a pot that is only slightly larger than the root ball. A pot that is too big holds excess moisture and can cause rot.
- Keep new plants in a warm spot (around room temperature) and away from drafts.
- Be patient. Anthurium roots can take several weeks to appear. Resist the urge to tug on cuttings to check.
- If you don’t have rooting hormone, a little cinnamon powder on the cut can help prevent fungal issues (it’s a natural antiseptic).
Troubleshooting
- Cuttings turn yellow or mushy: This is usually rot from too much moisture. Remove the cutting, let it dry for a day, and replant in drier mix. Reduce watering.
- No roots after two months: Check that the cutting has a node and that humidity is high. Try again with a fresh cutting, and consider using rooting hormone.
- Leaves wilt despite watering: This can be a sign of root rot or that the cutting has no roots yet. Gently check for roots; if none, increase humidity and reduce watering.
- Air layering moss dries out: Unwrap, re-moisten the moss, and rewrap tightly. Check every week.
- Divided plants droop: This is normal for a few days. Keep them in lower light and high humidity until they recover.
Frequently Asked Questions
Can I propagate anthurium from a single leaf?
No, a leaf without a stem node will not grow into a new plant. You need a piece of stem with at least one node.
How long does it take for anthurium cuttings to root?
Typically, roots appear in a few weeks to a couple of months, depending on conditions. Warmer, more humid environments speed things up.
Should I use rooting hormone?
It’s optional but can increase success rates, especially for cuttings. It’s not necessary for division.
Can I propagate anthurium in water?
Yes, stem cuttings can root in water, but transferring to soil later can be tricky. If you try, change the water weekly and pot up once roots are a few inches long.
Why are my new leaves smaller than the parent plant’s?
New plants often produce smaller leaves initially while they establish. Once the root system matures, leaves will grow larger.
Is it better to propagate in soil or sphagnum moss?
Both work. Sphagnum moss holds moisture well and is great for air layering. A well-draining potting mix is fine for cuttings and divisions.