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Browse Plants

Narrowed By:Type: Annuals+ Uses: Container+ Flower Color: Blue
Displaying 1 - 8 of 8 listings   Sort By: Sort
Ageratum houstonianum Ageratum houstonianum
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

There are many cultivars available of this fast-growing annual. They are best used as bedding, edging, or container plants. Panicles of blue, pink, purple, or white flowerheads arise from oval, downy leaves in midsummer and continue until frost. They have a soft, fuzzy appearance and attract butterflies.

Ageratum houstonianum 'Blue Danube' Ageratum houstonianum 'Blue Danube'
('Blue Danube' ageratum, 'Blue Danube' floss flower)
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This early, compact bloomer grows to only about 6 or 7 inches tall. With its icy blue-purple flowers, it works well when planted tightly along the foreground of a bed. Its color blends easily with most other hues and textures. -Julia Jones, Designing with annueals, Fine Gardening issue #120

Centaurea cyanus Centaurea cyanus
(Bachelor's buttons, Bluebottle, Cornflower)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Bachelor's buttons bear charming and prolific flowers in hues of blue, pink, lavender, white, and maroon. Those with a true blue color are especially welcome in the garden as that color is rare in nature. Each disc-shaped flower is about 1.5 inches across, with ragged petals radiating out from the center.

Heliotropium arborescens cvs. Heliotropium arborescens cvs.
(Heliotrope, Cherry pie)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Heliotrope has a compact form with broadly oval to lance-shaped, wrinkled leaves tinged with purple. In summer, it bears a profusion of deep violet-blue or lavender-blue flowerheads up to 6 inches across. Cultivars vary in height as well as bloom fragrance and color.

Lathyrus odoratus and cvs. Lathyrus odoratus and cvs.
(Sweet pea)
(1 user review)

This annual climber has winged stems and deliciously fragrant, ruffled blossoms. Many cultivars exist with varying bloom color (solid, mixed, or bicolor), size, and climbing habit.

Lobelia Techno® Blue Lobelia Techno® Blue
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Unlike most trailing lobelias, this cultivar does not falter in hot temperatures. Techno® Blue is covered in intense, cobalt blue flowers. Its semitrailing, mounding habit is a great addition to containers and hanging baskets.

no image available Salpiglossis sinuata and cvs.
(Painted tongues)
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Long, narrow leaves grow in rosettes near the ground. Flower stems shoot upward to 2 feet with 3-inch-wide, petunia-like, purple, blue, or scarlet flowers marked with broad veins of gold. Cultivars include 'Splash,' 'Bolero,' and the more compact-growing 'Casino'.

Viola tricolor Viola tricolor
(Heartsease, Johnny-jump-up, Love-in-idleness, Wild pansy)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This annual, biennial, or short-lived perennial is grown for its long season of pansy flowers in shades of purple, blue, yellow, and white. Viola tricolor is pretty in containers, as edging, or as a companion for bulbs. It self-seeds readily.


Displaying 1 - 8 of 8 listings   Sort By: Sort