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Annuals

A quick way to fill your garden with vibrant bloom and foliage color!

Annual flowers are a great way to fill your garden with vibrant blooms and foliage color. They also make great additions to containers and window boxes and are generally easy to grow and long-lasting. Gardenia can help you determine which annual flowers are appropriate for your sunny or shady garden and soil conditions and also guide you in which annuals attract butterflies or hummingbirds but are ignored by hungry deer. Check out our list of annual flowers and browse our fabulous garden ideas. They will provide you with a wealth of inspiration and help you design a lovely garden that keeps blooming over and over.

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Abelmoschus esculentus (Okra)

Grown for its edible fruit, Abelmoschus esculentus (Okra) is an annual boasting hibiscus-like flowers, 2-3 in. across (5-7 cm), in shades of yellow, pink, orange and red with contrasting centers. Blooming freely throughout the growing season, the blossoms give way to fruit capsules that can be used fresh or dried, and can also be cooked on their own or added to soups or stews.

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Ageratum houstonianum 'Blue Horizon' (Floss Flower)

One of the tallest, Ageratum houstonianum 'Blue Horizon' (Floss Flower) is a frost-tender annual boasting fluffy lavender to purplish-blue flower clusters, up to 3 in. across (7 cm), from late spring to frost.

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Ageratum houstonianum 'Blue Mink' (Floss Flower)

Noted for its long blooming season, Ageratum houstonianum 'Blue Mink' (Floss Flower) is a compact, clump-forming, half-hardy annual boasting fluffy powder-blue flowers from late spring to frost. Attractive to butterflies, the blossoms are borne on sturdy stems and float above the foliage of mid-green ovate leaves.

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Ageratum houstonianum 'Dondo White' (Floss Flower)

Ageratum houstonianum 'Dondo White' (Floss Flower) is a frost-tender annual boasting clusters of fluffy white flowers from early summer to frost. Attractive to butterflies, the blossoms are borne on long, sturdy stems and float above the neat foliage mound of heart-shaped leaves.

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Ageratum houstonianum 'Red Bouquet' (Floss Flower)

Noted for its striking color, Ageratum houstonianum 'Red Bouquet' (Floss Flower) is a frost-tender annual boasting clusters of fluffy violet-red flowers from early summer to frost.

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Ageratum houstonianum 'White Bouquet' (Floss Flower)

Ageratum houstonianum 'White Bouquet' (Floss Flower) is a frost-tender annual boasting clusters of fluffy pure white flowers from early summer to frost. Attractive to butterflies, the blossoms are borne on long, sturdy stems and float above the neat foliage mound of heart-shaped leaves.

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Ageratum houstonianum (Floss Flower)

An old favorite with its fluffy round clusters, Ageratum houstonianum (Floss Flower) is one of the few annuals to tolerate light shade. A nonstop bloomer from mid-summer to fall (Ageratum means 'long-lived' in Greek), it grows easily in shapely mounds ranging from 6-24 in. tall (15-60 cm) and mixes extraordinarily well with all other annuals and perennials.

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Alcea rosea 'Queeny Purple' (Hollyhock)

Noted for its shorter stature, Alcea rosea 'Queeny Purple' (Hollyhock) is an annual which produces sturdy spikes of large, frilly-edged, purple flowers, resembling powder puffs. Blooming from mid to late summer, the striking flowers, up to 4 in. across (10 cm), are arranged all around the spike and bloom from the bottom up. An old garden favorite, this award-winning hollyhock is perfect for the sunny border or containers. Great for small gardens too!

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Allium cepa (Onion)

A Staple in the kitchen, Allium cepa (Onions) are biennial vegetables grown for their sweet to pungent bulbs and greens. Native to Asia, Onions have been cultivated for 5000 years and provide fantastic flavor to any meal. Rich in nutrients, Onions have been valued for their medicinal qualities by many cultures worldwide, including the prevention of cancer and cardiovascular disorders. 

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Alternanthera dentata (Joseph's Coat)

Prized for its brightly colored foliage, Alternanthera dentata (Joseph's Coat) is a tender evergreen perennial, often grown as an annual, boasting rich purple to burgundy leaves.

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Amaranthus caudatus 'Dreadlocks' (Love-Lies-Bleeding)

An architectural feature in the summer garden, Amaranthus caudatus 'Dreadlocks' (Love-Lies-Bleeding) is an erect, bushy annual noted for its unusual, long tassels of bright magenta flowers in summer and fall.

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Amaranthus caudatus (Love-Lies-Bleeding)

An architectural feature in the summer garden, Amaranthus caudatus (Love-Lies-Bleeding) is a striking, erect annual or biennial noted for its unusual, long tassel-like racemes of tiny crimson flowers in summer and fall.

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Amaranthus tricolor 'Early Splendor' (Joseph's Coat)

Amaranthus tricolor 'Early Splendor' (Joseph's Coat) is a bushy, upright annual with large, brilliant crimson-red upper leaves contrasting the lower chocolate-brown leaves.

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Amaranthus tricolor (Joseph's Coat)

Grown for its multi-colored foliage, Amaranthus tricolor (Joseph's Coat) is a bushy, upright annual with large, ovate leaves, 10 in. long (25 cm). While the species features green to purple leaves, the foliage of some cultivars can be a striking combination of brilliant yellow, red, pink or copper.

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Amaranthus viridis (Slender Amaranth)

An excellent substitute for spinach, Amaranthus viridis (Slender Amaranth) is a vigorous, erect annual or short-lived perennial with a slender branched stem and deeply veined leaves, up to 6 in. long (15 cm), with a long leaf stalk. Occasionally eaten as a cooked vegetable, the leaves are diuretic and purgative and used in poultices to treat inflammations.

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