FAQ at Pleasant Valley Glads and Dahlias.
Empire State Gladiolus Society
Features an event schedule, photos of past shows, news, and membership information. Based in Ballston Lake, New York.
Description, potting, and propagation.
Diseases and treatments, from University of Minnesota Extension Service.
Summer Bulb Guide: Gladiolus
Information about varieties and culture of gladiolus.
Site selection, planting, culture, care, insects and disease; from the Cooperative Extension, University of Nebraska-Lincoln.
Gladiolus Insect Problems.
From the Michigan State Extension Service.