A general increase in interest and use of medicinal and aromatic plants as
natural products for food and pharmaceutical applications has swept the Uni
ted States during the past twenty years. As demand for these natural produc
ts expands, the efforts of plant collectors and growers to supply the marke
t have created opportunities and problems. Considerations about supply, saf
ety, and sustainability probably best characterize turmoil in the marketpla
ce. To meet the need for safe, sustainable, plant supplies, education and n
ew technology are being utilized.