17. Clay Arch Propagation Station
Combine your love for houseplant propagation with sleek architectural design by creating an arch-shaped clay propagation station. This project holds glass test tubes filled with water, allowing you to watch roots develop on plant cuttings while serving as an alluring desktop centerpiece. Air-dry clay or polymer clay provides the perfect sturdy material for this build.
Condition a generous block of terracotta or white air-dry clay until soft and pliable. Mold the clay into a thick archway shape, ensuring the base is wide and flat so it can stand independently without tipping over. While the clay is still wet, take a glass test tube and gently press it vertically down into the center of the top arch to create a perfectly fitted cylindrical hole. Carefully remove the test tube, smooth any rough clay edges with a damp sponge, and leave the clay arch to cure and harden completely for 48 to 72 hours. Once dry, seal the clay with a waterproof varnish. Re-insert your glass test tube, fill it with water, and pop in a fresh stem cutting of ivy or monstera.