While human life depends heavily on plants for the medicines, building materials, and fuel they provide, they also play a vital role in many ecological processes. From climate regulation through carbon dioxide absorption to soil fertility and the purification of air and water, plant diversity offers opportunities to address some of the most pressing challenges of this century, including food security, energy availability, climate change, and habitat degradation. In this context, botanical gardens act as living refuges that foster innovation, adaptation, and human resilience. But what can architectural practice learn from botany and its methods?