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Browse Plants

Narrowed By:Uses: Beds and Borders , Container+ Flower Color: Blue, Yellow
Displaying 1 - 20 of 472 listings   1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24View AllNext > Sort By: Sort
Abelmoschus manihot Abelmoschus manihot
(Hibiscus manihot)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A large ornamental okra with dinner-plate-sized, sulfur yellow flowers with dark eyes. Each flower lasts only a day—unfolding slowly in the morning and closing gradually in the evening—but the abundance of flowers open on any one day conceals their short life span.

Achillea ‘Coronation Gold’ Achillea ‘Coronation Gold’
(Yarrow)
(5 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This 2.5- to 3-feet-tall and 1.5-foot wide plant produces dense, flat clusters of golden yellow flowers above fern-like, silvery foliage starting in early summer.

Achillea 'Moonshine' Achillea 'Moonshine'
(Yarrow)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This popular gray-leaved yarrow has 18-inch-tall yellow flower heads that last for several weeks in late summer.

Achillea millefolium 'Terracotta' Achillea millefolium 'Terracotta'
(Yarrow)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Flat-topped corymbs of small, daisy-like flowers in colors of salmon-peach to yellow-orange are borne simultaneously on one plant up to 2 feet tall and wide. Flowers are complemented by silvery-green, finely-textured foliage.

Aeonium arboreum 'Zwartkop' Aeonium arboreum 'Zwartkop'
(Black rose)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The "flowers" of black rose. are actually rosettes of burgundy-black leaves at the ends of stalklike stems. In winter, bright yellow flowers contrast with the dark foliage. 'Zwartkop' is a wonderful backdrop plant that can show off many companion plants to maximum advantage. -Jeff Moore, Regional Picks: Southwest, Fine Gardening issue #120

no image available Aesculus pavia
(Red buckeye)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This conical shrub to small tree has palmate leaves and bears red (sometimes yellow-marked) flowers in 6-inch panicles in summer, followed by smooth-skinned fruit. The flowers attract hummingbirds.

Agastache ‘Summer Breeze’ Agastache ‘Summer Breeze’
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Agastache ‘Summer Breeze’ produces hundreds of 1.5-inch-long translucent, tubular blossoms. The flowers are painted in luscious sunset shades and appear from late spring to frost. In hot weather, peach, champagne, and soft pink are its colors, while in cooler months the flowers darken to pale copper and medium rose. It forms an open, airy, 2- to 3-foot-tall clump, and the upper third of each stem bears a long succession of hummingbird-attracting blooms.

Agastache ‘Blue Fortune’ Agastache ‘Blue Fortune’
(Blue Fortune hyssop)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Blue Fortune' produces spikes of powder-blue flowers held over large, deep green foliage. The plant stands approximately 36 inches tall with a mature width of 18 inches. Peak bloom occurs in midsummer when butterflies are plentiful.

Agastache foeniculum 'Golden Jubilee' Agastache foeniculum 'Golden Jubilee'
(Anise hyssop)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Anise hyssop has subtle but eye-catching chartreuse foliage. Its powder-blue, long-lasting flowers contrast nicely with its leaves.

Agave parryi Agave parryi
(Mescal)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant has a dense rosette of fleshy blue-gray leaves and produces tall, cream-colored flowers tinged with red or pink in summer.

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)
Be the first to rate this plant

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

no image available Ajania pacifica 'Yellow Splash'
(Pacific chrysanthemum)
Be the first to rate this plant
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This low-mounding perennial has lobed, silver-edged foliage and small yellow flowerheads in autumn.

Ajuga reptans Ajuga reptans
(Carpet bugleweed, Common bugleweed)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This fast spreader has dark green leaves with deep blue flowers spring to summer.

Ajuga reptans 'Black Scallop' Ajuga reptans 'Black Scallop'
('Black Scallop' bugleweed)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Black foliage and spiky blue flowers (which appear in early summer) make a dramatic contrast. 'Black Scallop' thrives in full sun, which intensifies the black color. In full sun, the plant produces numerous runners, which should be thinned to prevent crown rot. In large plantings, you can run a rotary mower with a bagger attachment over the patch to control crowding and keep the foliage fresh. In mixed container plantings, the spilling habit of the plant makes it a standout choice. -Ron Smith, Regional Picks: Upper Plains, Fine Gardening issue #120

Alcea rosea Alcea rosea
(Hollyhock)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This tall, upright perennial has single flowers of various colors that grow along a spike. It blooms in early summer and midsummer.

Alchemilla alpina Alchemilla alpina
(Alpine lady's mantle)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

About a third the size of the more well known A. mollis, A. alpina has delicate leaves edged in brilliant silver.

Alchemilla mollis Alchemilla mollis
(Lady's mantle)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant has lobed, densely hairy, chartreuse foliage that is crimped at the edges. Soft, frothy, yellow-green foliage hovers above the plant from early summer through autumn.

Allium caeruleum Allium caeruleum
(Blue globe onion)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant produces dense clusters of bright blue flowerheads up to 1 inch wide. Its leaves clasp its stem and die back before flowering.

Allium moly and cvs. Allium moly and cvs.
(Golden garlic, Lily leek)
Be the first to rate this plant
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

For long-lasting bright yellow flowers that sparkle in midsummer, try Allium moly. It is robust, hardy, and an excellent cut flower, naturalizing and increasing happily in the sun in most garden soils. The cultivar 'Jeannine' flowers earlier and produces larger umbels on sturdier stems.


Displaying 1 - 20 of 472 listings   1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24View AllNext > Sort By: Sort