Cold Temperature Injury in April - Delayed Symptom Expression in July and August

Indiana Freeze/Frost Probability Maps - Indiana State Climate Office

Indianapolis Airport Freeze Probability Data 1971-2000 (pdf file) - NOAA

Ornamentals

• Ornamental Pest and Disease Update - University of Kentucky - August 24, 2007 (pdf file)
• White Pine Shoot and Top Dieback—Insect or Environmental? - Gail Ruhl and Cliff Sadof - June 29, 2007
• Spring Puts the Freeze on Gardens - by: B. Rosie Lerner, Extension Consumer Horticulturist - April 19, 2007
• Cold damage (pdf file) - Michael V. Mickelbart, Department of Horticulture & Landscape Architecture - April 18, 2007
• HO-203: Effects of Cold Weather on Horticultural Plants in Indiana
• Spring Frost Can Spoil the Show - Rosie Lerner, Purdue Consumer Horticulture Specialist - April 4, 2007
• Spring Weather Gives Gardeners the Chills - Rosie Lerner, Purdue Consumer Horticulture Specialist - April 19, 2001
• Gardeners-Don't Panic During Cold Weather - Rosie Lerner, Purdue Consumer Horticulture Specialist - March 16, 2000
• County Reports
  • Let's Get Growing - Doug Akers, Boone Co Extension Educator - April 19, 2007
  • Cold Weather Concerns, Upcoming Programs - By Larry Caplan, Extension Horticulture Educator, Vanderburgh County - April 15, 2007
  • April Frost, Home Show - By Larry Caplan, Extension Horticulture Educator, Vanderburgh County - April 8, 2007
  • Remember Winter? It's Back! (pdf file) - Roy Ballard - April 9, 2007
  • Freeze injury to plants - What's Hot article for April 5, 2007, Doug Akers, Boone Co Extension Educator
• Other States
  • What Do We Know 16 Days after the Freeze? - Nursery Notes by Mark Halcomb, University of Tennessee - April 25, 2007
  • Excellent photos of the various stages of fruit bud development and their critical temperatures: http://www.canr.msu.edu/vanburen/crittemp.htm
  • Freeze Recovery for Urban Landscapes (pdf file) - Beth Babbit, Urban Horticulture Specialist, Plant Sciences Department, University of Tennessee - April 10, 2007
  • KY Ornamentals April 2007 Freeze Damage - Winston Dunwell, University of Kentucky

Fruit

• Facts for Fancy Fruit Newsletter (pdf file) - April 20, 2007
• ID-168: Commercial Tree Fruit Spray Guide (pdf file)

Turf

• Cold Weather Yellowing or Bleaching Newly Mowed Turf - Zac Reicher - April 13, 2007

Agronomic Crops

• Freeze and Rain Damaged Glyphosate Resistant Corn Receives Crisis Exemption - Pest & Crop Newsletter, Indiana State Chemist Office - May 11, 2007
• Impact of freeze damage on wheat diseases - Kentucky Pest News - April 30, 2007
• 'Don't judge a book by its cover' holds true for alfalfa crop - Purdue News Service - April 26, 2007 - contains images
• Evaluating Winter Wheat Post-Freeze - University of Nebraska-Lincoln Extension, Institute of Agriculture and Natural Resources, by Bob Klein - April 20, 2007
• Epilogue on the April Freeze: Tough Decisions Remain - University of Illinois, by Emerson Nafziger - April 20, 2007
• Early-Season Corn Injury During Cool Wet Conditions - By James R. Martin and J.D. Green - April 16, 2007
• Frosted injury to alfalfa (pdf file) - Mark Sulc - April 16, 2007
• Evaluating alfalfa for cold weather damage - BrownfieldNetwork.com, by Dave Russell - April 20, 2007