Key takeaways
- Propagate houseplants between April and July when growth is strongest and rooting is fastest
- Stem cuttings in water root in 2-3 weeks for easy species like pothos, tradescantia, and philodendron
- Division of mature clumps gives near 100% success rates and produces full-sized plants immediately
- Always cut below a node — the bump on the stem where leaves emerge — as roots form from nodes
- Rooting hormone is optional but increases success rates by 20-30% for difficult species
- One healthy spider plant can produce 10-20 baby plants in a single growing season
Our team produces practical UK gardening guidance from source research, contributor records and established horticultural practice. Editorial standards are overseen by Matt W.