www.readwritethink.org Searching under Haiku will provide links to lesson plans for different grade levels.
https://www.education.com Searching under Haiku lesson plans provides several lesson plans
www.thehaikufoundation.org Go to features and then educational resources provides several lesson plans for grades 1 and 2.
Lesson plan for grades 7-12 on PBS LearningMedia.
www.cln.org;themes/haiku.html Various resources for teaching haiku