How to Propagate Syngonium: Cuttings, Layering and Division

Arrowhead plant (Syngonium podophyllum) is one of the easier houseplants to multiply. NC State Extension lists three methods: stem cuttings, layering and division. The RHS adds leaf-bud cuttings. A leggy plant is a good source of material, because the long stems you prune off can become new plants.

The one thing every method needs is a node. A node is where a leaf joins the stem, often a slightly raised ring or bump. Roots and new shoots grow from nodes. Make sure every piece you root carries at least one.

Choose a method

Method	Best for	What you need
Stem cutting	Leggy or pruned stems	8–15 cm (3–6 in) of stem with at least two nodes
Leaf-bud cutting	Making many plants from little material	One leaf, its stalk and a short piece of stem with a bud
Layering	A long vine you don’t want to cut yet	A second pot of mix and a pin or wire
Division	A pot with several crowns	A plant ready to repot

Stem cuttings, step by step

Iowa State University Extension’s stem cutting guide gives this method for houseplants:

1. Water the parent the day before, so the stems are fully hydrated.
2. Cut a stem 8–15 cm (3–6 in) long with at least two nodes. Tip pieces or sections from lower on the stem both work. Keep track of which end was the bottom, because segments won’t root upside down.
3. Remove the lower leaves. At least one node, but no leaves, should go below the surface.
4. Use a light rooting medium. Iowa State likes perlite, or perlite or sand mixed with peat. Moisten it first.
5. Raise humidity. Cover the pot with a clear bag held off the leaves, and leave it unsealed for air exchange.
6. Give light and warmth. Iowa State suggests 4 to 6 hours of bright indirect light and an air temperature of 18–24 °C (65–75 °F). A heat mat holding the medium at 24–27 °C (75–80 °F) speeds rooting. The RHS also recommends bottom heat.
7. Pot up when roots are about 2.5 cm (1 in) long. Iowa State says most houseplant cuttings root in 3 to 6 weeks.

Wear gloves when you cut. The RHS lists the plant as a skin and eye irritant, and UF/IFAS notes that its sap can irritate sensitive people.

Rooting hormone is optional. Iowa State warns that too much can slow root development, and that you shouldn’t dip cuttings straight into the original container.

Rooting in water

Many houseplants root in a jar of water. Iowa State notes that water roots are coarser and less suited to potting mix. Newly potted cuttings may wilt, drop leaves or brown at the tips while they adjust.

To give a water cutting the best start:

• Change the water once or twice a week.
• Never let the level drop and expose the new roots.
• Move it to mix when roots are about 2.5 cm (1 in) long, then keep it evenly watered while it settles.

Leaf-bud cuttings

Illinois Extension describes a leaf-bud cutting as a leaf blade, its stalk and a piece of stem containing a bud. It lets you make many plants from a small amount of material, and is used for many trailing vines. Treat them like stem cuttings: bury the stem piece, keep them humid and in bright indirect light.

Layering a long stem

Penn State Extension describes simple layering for vines. Leave the stem attached to the parent. Make a small slice in it, bend it down, and pin it into mix in a second pot. Once it has rooted, cut it free. This is the lowest-risk option, because the parent keeps feeding the new plant while it roots.

Division

If your pot holds several separate stems or crowns, divide it when you repot. Gently separate the root ball into sections, each with its own stems and roots, and pot them up separately. NC State lists division as a recommended method.

If cuttings fail

• Rotting at the base. Iowa State says too little light slows rooting, so cuttings may rot or dry out before roots form. Move them brighter, but out of direct sun.
• Wilting. Cut large leaves down to reduce water loss and keep humidity up.
• No roots after several weeks. Check that a node is below the surface, and add bottom warmth.

Arrowhead vine is invasive in parts of Florida, according to UF/IFAS, and broken pieces re-sprout easily. Bag unwanted trimmings rather than dumping them outdoors in warm climates.

The ASPCA lists arrowhead vine as toxic to cats, dogs and horses. Keep jars of cuttings out of pets’ reach.

For other species and methods, see our houseplant propagation guide.

Related guides

Other arrowhead plant problems we cover: yellow leaves, leggy growth, brown spots.

References

• NC State Extension Gardener Plant Toolbox: Syngonium podophyllum
• RHS: Syngonium podophyllum
• Iowa State University Extension: How to Propagate Houseplants by Stem Tip Cuttings
• Illinois Extension: Cuttings
• Penn State Extension: Propagating Houseplants
• Illinois Extension: Nephthytis
• UF/IFAS Extension: Wildland Weeds: Arrowhead Vine, Syngonium podophyllum (ENY-715)
• ASPCA: Arrow-Head Vine