Answers about alfalfa

The name alfalfa is used in North America.
The name lucerne is more commonly used in the
United Kingdom, South Africa, Australia, and New Zealand.
The plant superficially resembles
clover (a cousin in the same family), especially while young, when trifoliate leaves comprising round leaflets predominate.

Exploring the Complex World of Alfalfa Production with Joseph Sagers, with the University of Idaho Extension


  • The critical role of environmental conditions in Idaho that favor alfalfa growth, including low humidity and the unique day-night temperature variations. 
  • How soil types and pH levels in Idaho contribute to alfalfa's success, and the importance of avoiding waterlogged conditions for optimal growth. 
  • The benefits and challenges of multiple cuttings per season, including the timing for planting and the impact of seasonal changes on alfalfa's dormancy and yield. 
  • Insights into the autotoxicity of alfalfa, which prevents new alfalfa growth in existing fields, and strategies for crop rotation and reseeding. 
  • Management practices for nutrient application, emphasizing alfalfa's need for phosphorus and potassium over nitrogen. 
  • Effective strategies for controlling weed and insect pressures, including the use of specific herbicides and the importance of early management. 
  •  The emerging threat of voles in Idaho and the limited options for control, highlighting the need for ongoing research and innovative solutions. 
  • Guidelines for selecting alfalfa varieties tailored to specific environmental and management conditions, with a nod to the resources provided by the National Alfalfa and Forage Alliance. 
  • Whether you're a seasoned alfalfa grower or new to the field, this episode is packed with practical advice and expert knowledge to help you succeed.


Watch on YouTube
Share by: