How to Propagate a Rubber Plant from Stem Cuttings

Pick a healthy stem on your rubber plant and cut a section 6 to 8 inches long with clean pruning shears. The important part is where you cut. Make the cut just below a node, the little bump where a leaf or growth point meets the stem. That node is where new roots will come from, so every cutting needs at least one near the bottom.

Wipe your shears with rubbing alcohol first if you have it. A clean cut on a clean tool heals faster and gives fungus one less way in.

The moment you cut a rubber plant, the cut end oozes a sticky white latex. This is normal, and every Ficus elastica does it. Give the cut end a few minutes to air out, or dab it with a clean tissue until the sap stops running.

Do not skip this. If you drop a fresh, bleeding cutting straight into water, the sap can cloud the jar and coat the wound, which slows rooting. A quick blot and a short rest is all it needs. Wear gloves if your skin is sensitive, since the sap can irritate.

Set up two jars side by side, one filled with plain water and one filled with damp perlite. Strip off any lower leaves so nothing but bare stem sits below the surface. Leaves left underwater rot and foul the whole jar.

Stand a cutting in each medium with the bottom node covered. Running both at once is a fun little experiment. Water lets you watch the roots form, while perlite gives you stronger, less shock-prone roots that transplant more easily. There is no wrong choice here.

Move the jars somewhere bright and warm, out of direct sun, and then mostly leave them alone. Top up the water as it evaporates and keep the perlite damp to the touch. Rubber plants are slow rooters, so steady warmth and indirect light matter more than fussing over them.

The best sign that a cutting is alive and working is new growth up top. When a bright crimson sheath pushes out and unfurls into a fresh leaf, like the one in this shot, roots are almost always forming down below at the same time.

Around the 30 day mark the payoff shows up. The cutting in the water jar sends out dark red roots right from the submerged node, easy to spot against the glass. The perlite cutting is rooting too, it just hides its work down in the granules.

Once you see real roots, the cutting has stopped living off the energy stored in the stem and started feeding itself. Let those roots reach an inch or two long before you think about potting up. Longer roots take the move better.

By Day 40 the perlite cutting is ready to come out. Tip the jar and gently work the cutting free, shaking off the loose granules. A well rooted cutting lifts out with a thick, pale tangle of roots gripping the perlite, exactly like the one held up here.

Be gentle. These fresh roots are brittle and snap easily. Handle the cutting by the stem, not the roots, and leave a little perlite clinging on rather than picking every piece off.

Fill a small pot with a well draining potting mix, one with some perlite or bark worked in so water runs through. Make a hole, set the rooted cutting in, and hold the stem upright while you firm soil around the roots.

Water it in slowly until it drains from the bottom. That first watering settles the mix and closes any air pockets around the roots. Keep the new plant somewhere bright and warm for a few weeks while it adjusts, and your single cutting is now a full rubber plant of its own.