Propagation Guide
Node Cutting Propagation
Maximising propagation from valuable plants
A node cutting is a minimal stem cutting that takes just one node — the joint where a leaf attaches to the stem — sometimes with no leaf at all. This technique lets you get the maximum number of cuttings from a single plant and is especially valuable when working with rare or expensive specimens where losing the parent would be costly. The node alone contains all the genetic material needed to produce a full new plant.
Best For
- Philodendrons — particularly expensive variegated forms
- Monstera — widely used for Thai Constellation and Albo cuttings
- Any climbing aroid where maximising yield from the parent plant is important
What You Need
- Very sharp, sterilised blade (scalpel or razor blade preferred over scissors)
- Moist sphagnum moss
- Clear propagation box or zip-lock bag
- Seedling heat mat (strongly recommended)
- Rooting hormone (more beneficial for leafless nodes than for standard stem cuttings)
Step by Step
- 1
Identify each node on the stem
Nodes are visible as slight thickenings or joints along the stem, typically where a leaf or petiole attaches. Each node has the potential to produce a new plant.
- 2
Cut between nodes
Using a sterilised blade, cut the stem between nodes to isolate individual node sections. Leave at least 1 cm of stem above and below each node. Sterilise the blade between each cut to prevent cross-contamination.
- 3
Apply rooting hormone
Dip or dust the cut surfaces with rooting hormone. This is more important for leafless nodes than for stem cuttings with leaves, as leafless nodes have less stored energy to initiate rooting.
- 4
Embed in sphagnum and seal
Nestle each node in moist sphagnum moss so the node is in contact with the medium but not buried. Seal in a clear propagation box. Label each cutting if you're propagating multiple species or variations.
- 5
Provide warmth, humidity and patience
Maintain 22–26°C with humidity above 75%. Bottom heat is especially important for leafless nodes as they have no leaf to photosynthesise energy for root production. Check every 7–10 days for signs of rot or new growth.
- 6
Watch for growth
Leafless nodes will first produce a small bud or eye before roots emerge. The sequence is typically: bud swells → first leaf unfurls → roots develop. This can take 6–16 weeks. Do not disturb during this process.
- 7
Pot up when roots are established
Once 2–4 cm roots have developed and the first leaf has fully unfurled, carefully pot into a well-draining substrate. Handle roots gently — sphagnum-grown roots are fragile.
Tips for Success
- Nodes can be stored in dry sphagnum at 18–20°C for short periods if you can't propagate immediately
- A node with a visible aerial root stub already attached will root faster than a clean node
- Label everything meticulously — nodes from different plants look identical
- Higher temperatures (24–26°C) significantly speed up the process compared to cooler conditions
Common Mistakes
- Cutting nodes too thin — leaving insufficient stem means the node can't support itself in the medium
- Over-saturating the sphagnum, which causes rot at the cut surfaces
- Checking too frequently — opening the propagation box repeatedly introduces pathogens and disrupts the humid environment
- Giving up too soon — leafless nodes routinely take 10–16 weeks, which is normal