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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 deers. 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.

Annuals Guides


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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) features fluffy round clusters of lavender to purplish-blue flowers resembling asters.

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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

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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 round 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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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 in color from 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 vigourous, 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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Ammi majus (Queen Anne's Lace)

Adding a delicate airiness to borders or fresh bouquets, Ammi majus (Queen Anne's Lace) is an upright, hardy annual with large domed umbels, densely packed with pristine white flowers. Borne on tall, branched, slender stems, the lacy blossoms mingle gracefully with the other plants in the border.

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Ammi visnaga (Toothpick Weed)

Adding a delicate airiness to borders or fresh bouquets, Ammi visnaga (Toothpick Weed) is a lovely hardy annual or biennial plant with large domed umbels, up to 5 in. across (12 cm), of densely packed white flowers which mingle gracefully with the other plants in the border. The finely divided foliage is attractive and acts as a light but effective filler, making this plant one of the best filler foliage plants.

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Anagallis arvensis (Scarlet Pimpernel)

Anagallis arvensis (Scarlet Pimpernel) is a small, low-growing, weedy annual with small, egg-shaped, soft green leaves oppositely arranged along its four-angled stems.

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Anethum graveolens (Dill)

A popular culinary herb noted for its attractive foliage and flowers, Anethum graveolens (Dill) is an upright annual with feathery, aromatic, blue-green foliage and attractive flat umbels, 10 in. across (25 cm), of tiny yellow flowers in summer.

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Angelonia 'Angelface Blue' (Summer Snapdragon)

Angelonia 'Angelface Blue' (Summer Snapdragon) is a tender perennial, usually grown as an annual, boasting a profusion of showy spikes of large, deep violet-blue flowers from late spring to the first frosts. Resembling small snapdragons, the eye-catching blossoms exude a slight grape soda fragrance. They rise on flexible stems clad with narrow, pointed, medium green leaves.

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