Most popular blue-flowering plants

'Pugster Blue' Butterfly Bush is an excellent choice for small spaces, offering deep, true blue, full-sized flowers despite its dwarf habit. It's highly popular for attracting hummingbirds, pollinators, and butterflies.

Hydrangeas remain a garden staple, with 'Let's Dance® Rhythmic Blue®' being a standout for its showstopping blue mophead flowers. Its ability to rebloom and perform well in various climates contributes to its enduring popularity.

'Beyond Midnight' Bluebeard provides welcome late-season color with its fragrant, deep purple-blue blooms. Its resistance to most diseases and pests, along with its appeal to pollinators, makes it a popular and reliable shrub.

Blue My Mind® Dwarf Morning Glory is praised for its unmistakable true-blue color and continuous blooming from early summer until frost. Its non-vining, low-growing habit makes it a versatile and attractive choice for various garden settings.

'Storm Cloud' Amsonia is a dependable native perennial, recognized in 2026 top picks for its unique periwinkle blue, star-shaped flowers. Its distinctive purplish-black stems and deer resistance add to its appeal.

Lobelia, particularly the Laguna® series, remains a popular choice for 2026, offering cascades of soft-blue flowers. Its heat-tolerant varieties make it an excellent and reliable option for continuous color in containers and hanging baskets.

Delphinium was named 2026's Flower of the Year, highlighting its exceptional popularity and recognition within the gardening community. Its tall, dramatic spires of vivid true-blue flowers make it a commanding presence in any garden.

Salvia continues to be a popular choice, with new breeding in 2026 offering improved cultivars like 'Rockin' Playin' the Blues®'. This variety is celebrated for its prolific blooming and vibrant blue flowers, making it a favorite for continuous color.

Bachelor's Button is a continuously popular annual, highly recommended for 2026 due to its vivid blue, thistle-like blooms. It's easy to grow from seed and effectively attracts bees and other pollinators to the garden.

Floss Flower 'Blue Horizon' provides consistent blue color throughout the season and is a favorite for cut flower arrangements. Its long-lasting, fuzzy blue blossoms make it a reliable and attractive annual for any garden.

Borage is a versatile annual herb that adds both beauty and utility to the garden, with its star-shaped blue flowers. It's highly popular for attracting pollinators, especially bumblebees, and its edible flowers and leaves.

Brunnera 'Frost King' is a new introduction for 2026, highly praised for its soft blue, forget-me-not-like flowers and attractive variegated foliage. It's an ideal choice for shade gardens, offering delicate beauty.

Grape Hyacinth is a continuously popular early spring bloomer, offering dense clusters of deep blue, bell-shaped flowers. It's a reliable and low-maintenance bulb that naturalizes easily and provides early food for bees.

Hardy Plumbago is a popular low-growing groundcover, valued for its bright blue flowers in late summer and early fall. Its attractive foliage that turns deep red in autumn adds multi-seasonal interest to the garden.