Scrophulariaceae

Antirrhinum majus Snapdragon

Edward F. Gilman, Ryan W. Klein, and Gail Hansen

This document provides a comprehensive overview of snapdragons (Antirrhinum majus), detailing their various types, growth habits, and care requirements. It covers the plant’s physical characteristics, including height, spread, and flower colors, as well as its preferred growing conditions such as soil type, light requirements, and planting months for different USDA hardiness zones. The document also discusses propagation methods, common pests and diseases, and recommended companion plants. Additionally, it highlights the ornamental uses of snapdragons in landscaping and provides tips for maintaining healthy plants. Original publication date October 1999.

Goatweed Biology and Control in Pastures

Brent A. Sellers

Paulownia tomentosa: Princess-Tree

Edward F. Gilman and Dennis G. Watson

Veronica spp. Wooly Speedwell, Speedwell

Edward F. Gilman, Ryan W. Klein, and Gail Hansen

This publication provides an overview of various Veronica species, commonly known as wooly speedwell or speedwell. These herbaceous plants can grow between 2 to 18 inches tall and thrive in full sun or light shade. They are suitable for USDA hardiness zones 4 through 9A. The document discusses the plant’s moderate drought tolerance, growth habits, and uses in landscaping, such as ground cover, borders, and mass plantings. It also addresses common pests and diseases, including downy mildew and leaf spot. First published 1999.