Complete Gardening
Discover the enchanting world of blue flowers with our curated list of 30 stunning varieties. Blue flowers are nature’s way of adding a touch of tranquility and elegance to any garden.
Whether you’re looking to fill your flower beds or create a serene landscape, these blue blooms will surely refresh your garden palette.
Bluebell
Bluebells are a classic woodland flower, known for their sweet scent and vibrant blue hue. These flowers bloom in spring and are perfect for naturalistic gardening. Plant them under trees or in shaded areas to mimic their natural habitat.
Hydrangea ‘Blue Heaven’
Hydrangea ‘Blue Heaven’ is a stunning shrub producing large clusters of vivid blue flowers. Ideal for borders or as a focal point, they thrive in moist, well-drained soil and partial shade.
Delphinium
Delphiniums are known for their striking tall spires adorned with numerous blue blossoms. These perennials prefer full sun and rich soil, making them a favorite in cottage gardens.
Himalayan Blue Poppy
The Himalayan blue poppy is renowned for its unique blue petals and striking appearance. These poppies require a cool climate and well-drained, acidic soil to thrive.
Cornflower
Cornflowers, or bachelor’s buttons, are annuals that add a splash of blue to any garden. They’re easy to grow, drought-tolerant, and attract pollinators like bees and butterflies.
Morning Glory ‘Heavenly Blue’
Morning Glory ‘Heavenly Blue’ is a vigorous climber with stunning azure blooms. Perfect for trellises or fences, they thrive in sunny spots and bloom from summer to fall.
Siberian Squill
Siberian squill produces charming blue flowers in early spring. They’re ideal for naturalizing in lawns or under trees, spreading easily to create a blue carpet.
Gentian
Gentians are alpine plants admired for their intense blue flowers. They prefer rocky, well-drained soils and are perfect for rock gardens or alpine troughs.
Balloon Flower
Balloon flowers are perennials that start as balloon-like buds before opening into star-shaped blue flowers. They thrive in sunny borders and are low-maintenance.
Blue Star Amsonia
Blue Star Amsonia offers delicate blue star-shaped flowers and attractive foliage that turns gold in the fall. These perennials are hardy and resistant to deer and pests.
Forget-Me-Not
Forget-Me-Nots are charming biennials with small, sky-blue flowers. They thrive in moist, shaded areas and are perfect for woodland gardens or along water features.
Borage
Borage is an herb with star-shaped blue flowers that are edible and attractive to pollinators. It’s easy to grow and can be used to add color to salads or drinks.
Lobelia
Lobelia is a versatile annual that blooms profusely with small blue flowers. It’s ideal for hanging baskets, window boxes, or as edging in flower beds.
Blue Eyed Grass
Blue Eyed Grass is a perennial that resembles grass but produces charming starry blue flowers. It thrives in full sun and well-drained soil, perfect for borders.
Brunnera ‘Jack Frost’
Brunnera ‘Jack Frost’ features silvery foliage with delicate blue flowers resembling forget-me-nots. These perennials are ideal for shady borders or woodland gardens.
Blue Mist Shrub
Blue Mist Shrub, or Caryopteris, is a small shrub with masses of blue flowers that attract bees. It’s drought-tolerant and perfect for sunny, dry locations.
Salvia ‘Blue Hill’
Salvia ‘Blue Hill’ is a compact perennial producing spikes of blue flowers. It’s drought-tolerant and attracts pollinators, making it a great choice for borders.
Sea Holly
Sea Holly is a unique perennial with spiky blue flowers and attractive silvery foliage. It’s drought-tolerant and thrives in sandy, well-drained soil, ideal for coastal gardens.
Love-in-a-Mist
Love-in-a-Mist is an annual with intricate blue flowers and feathery foliage. It’s easy to grow and reseeds freely, adding a whimsical touch to gardens.
Blue Vervain
Blue Vervain is a native wildflower with slender spikes of blue flowers. It’s perfect for meadows or naturalistic gardens and attracts a variety of pollinators.
Chicory
Chicory is a hardy perennial known for its sky-blue flowers. Often found along roadsides, it’s easy to grow and adapts well to poor soils and dry conditions.
Virginia Bluebells
Virginia Bluebells are native perennials with nodding blue flowers that bloom in spring. They thrive in woodland settings and add a touch of charm to shaded gardens.
Anchusa
Anchusa is a sun-loving perennial with clusters of intense blue flowers. It’s a favorite for attracting bees and butterflies, adding vibrancy to borders and beds.
Agapanthus
Agapanthus, or African Lily, features large clusters of blue flowers on tall stems. They’re perfect for sunny borders or containers and attract pollinators.
Veronica ‘Royal Blue’
Veronica ‘Royal Blue’ is a perennial with dense spikes of blue flowers. It blooms all summer and is perfect for borders, attracting bees and butterflies.
Polemonium ‘Blue Pearl’
Polemonium ‘Blue Pearl’, or Jacob’s Ladder, offers clusters of blue flowers and fern-like foliage. It’s perfect for cottage gardens and thrives in partial shade.
Clematis ‘Perle d’Azur’
Clematis ‘Perle d’Azur’ is a vigorous climber with large pale blue flowers. It’s ideal for training over trellises or walls, adding vertical interest to gardens.
Pasque Flower
Pasque Flower is a perennial with blue petals and a fluffy yellow center, blooming in early spring. It’s perfect for rock gardens or as an early spring accent.
Veronicastrum ‘Fascination’
Veronicastrum ‘Fascination’ features tall, graceful spires of blue flowers. It’s ideal for prairie-style gardens or mixed borders, attracting bees and butterflies.