How to Propagate Aristolochia ?
Propagating aristolochia typically involves seed sowing, stem cuttings, or division. Successful propagation requires attention to key factors such as warm temperatures (ideally between 20°C to 30°C), high humidity, and well-draining soil with sufficient organic matter. Special considerations include ensuring seeds are fresh and scarifying them to enhance germination. Some species may have a dormancy period that needs to be broken with temperature fluctuations or chemical treatments. The general difficulty of propagating aristolochia is moderate, with challenges arising from slow seed germination and the potential for root rot with cuttings. Step-by-step, one would sow seeds in moist soil after treating them, or take semi-hardwood cuttings in summer and root them in a mix of peat and perlite under high humidity and indirect light. Division can be done in spring or autumn by gently separating the rhizomes and planting them in suitable substrate.