1. The season of All Saints' Day

Type of: season

• blue elder
• blue elderberry
• blue false indigo
• blue fig
• blue flag
• blue fleabane
• blue fox
• blue funk
• blue goose
• blue grama
• blue gum
• blue jack
• blue jasmine
• blue jay
• blue jean
• blue jessamine
• blue jet
• blue joke
• blue law
• blue lotus
• blue mahoe
• blue marguerite
• blue marlin
• blue mockingbird
• blue mold fungus