Lobelias

Blue Cardinal Flower: How to Grow Lobelia, a Native Perennial

October 13, 2025 · Home & Garden

Lobelia siphilitica, Blue Cardinal Flower Blue cardinal flower, also known as great blue lobelia, is a tall native perennial that blooms for long weeks at the end of…

Best Blue Flowers to Grow in the Garden: My Favorite Blue Perennials and Annuals

April 30, 2024 · Home & Garden

Recently, one of my clients asked if I would add some blue flowers to her garden. Her young daughter had learned that dogs are color-blind and can see…