Regions / Upper South

 

Southern states, Southern gardening, Southern garden, Southern Climate, Southern Region

Upper South

Selecting plants suited to the Upper South climate is a key step to success.

Various initiatives have taken place to determine how well plants would withstand the cold winter temperatures (Plant Hardiness Zones) or when plants would start suffering from the heat (Plant Heat Zones).

The Upper South region lies in USDA Plant Hardiness Zone 6 and in AHS Heat Zones 2 through 8. It typically enjoys four distinct seasons. Rain and snowfall tends to be evenly distributed throughout the seasons.

If you know your hardiness zone and heat zone, find the best plants or exciting garden ideas for your geographic area.




Agave havardiana (Harvard Agave)

Extremely cold hardy, Agave havardiana (Havard Agave) is an evergreen, perennial succulent forming a tight rosette of fleshy, broad, cupped, silver-gray leaves. Adding an attractive texture and interest year-round, the leaves are heavily lined with dark brown teeth along their margins and tipped with a wickedly sharp black terminal spine.

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Agave Utahensis (Utah Agave)

Regarded as one of the most cold-tolerant agaves, Agave utahensis (Utah Agave) is a small, evergreen perennial succulent forming rosettes of thick, narrow, upward-curving, spiny-edged, blue-gray leaves with a long dark spine at their tips.

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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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Ajuga reptans 'Black Scallop' (Carpet Bugle)

Ajuga reptans 'Black Scallop' (Carpet Bugle) is a creeping perennial prized for its short spikes of fragrant, deep blue flowers and very glossy, near-black, scalloped leaves. Blooming in late spring to early summer, the flowers rise above the contrasting, spreading rosettes formed by the leaves, putting on an eye-catching display.

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Ajuga reptans 'Blueberry Muffin' (Carpet Bugle)

Fast growing, Ajuga reptans 'Blueberry Muffin' (Carpet Bugle) is a vigorous evergreen perennial prized for its blueberry-blue flowers and thick leaves, which quickly form a dense mat of attractive rosettes. Emerging with a bronze flush in mid-spring, the small but weather resistant, green leaves contrast nicely with the lavender-blue flower spikes

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Ajuga reptans 'Bronze Beauty' (Carpet Bugle)

Fast growing, Ajuga reptans 'Bronze Beauty' (Carpet Bugle) is a vigorous perennial prized for its rich blue flowers and contrasting bronze-tinged leaves, which quickly form a dense mat of attractive rosettes. Ajuga reptans is valued as a wonderful spreader making a colorful groundcover, which will thrive in shady areas where grass has difficulty growing.

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Ajuga reptans 'Burgundy Glow' (Carpet Bugle)

Noted for its wonderful tricolored foliage, Ajuga reptans 'Burgundy Glow' (Carpet Bugle) is a popular low-growing perennial prized for its short spikes of pretty blue flowers and contrasting creamy-white, rose-burgundy, and dark green foliage. Spreading more slowly than many other varieties, 'Burgundy Glow' will form over time a thick mat of attractive, lustrous rosettes.

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Ajuga reptans 'Catlin's Giant' (Carpet Bugle)

Award-winning Ajuga reptans 'Catlin's Giant' (Carpet Bugle) is an evergreen perennial prized for its large, glossy purplish-bronze leaves, 6 in. long (15 cm), which quickly form a dense mat of attractive rosettes.

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Ajuga reptans 'Chocolate Chip' (Carpet Bugle)

Noted for its extremely dwarf habit and chocolate foliage, Ajuga reptans 'Chocolate Chip' (Carpet Bugle) is a ground-hugging perennial prized for its bluish-purple flower spikes on display in mid to late spring. The blossoms rise slightly above the foliage of tiny, glossy, oval leaves which are chocolate with burgundy highlights.

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Ajuga reptans (Carpet Bugle)

Valued as a wonderful spreader making colorful groundcovers with its dense, attractive leaf rosettes, Carpet Bugle (Ajuga reptans) is a quick mat-forming grower which will thrive in shady areas where grass won't grow

Akebia quinata (Chocolate Vine)

Vigorously spreading, Akebia quinata (Chocolate Vine) is a dainty semi-evergreen, twining, woody vine with dangling racemes of small, wine-red flowers with a spicy, chocolate fragrance in spring. The blooms stand out against the bright green foliage of elliptic leaflets which becomes purple flushed in cold weather.

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Albizia julibrissin f. rosea (Silk Tree)

Fast growing, award-winning Albizia julibrissin f. rosea (Silk Tree) is a small to medium sized, deciduous tree with a flat-topped, spreading canopy of large, fern-like bipinnate, green leaves. Sensitive, the leaflets fold when touched and at night. Fluffy rose-pink, powder puff flowerheads, with prominent stamens, open in early summer and cover the tree until mid-summer.

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Alcea rosea 'Blacknight' (Hollyhock)

Providing architectural height to borders, Alcea rosea 'Blacknight' (Hollyhock) is a robust perennial which produces tall, sturdy spikes of funnel-shaped, deep black-purple, single flowers, 4 in. across (10 cm), with a bright buttery-yellow throat. Blooming from mid to late summer, the striking flowers are arranged all round the spike and bloom from the bottom up.

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Alcea rosea 'Fiesta Time' (Hollyhock)

Noted for its shorter stature, Alcea rosea 'Fiesta Time' (Hollyhock) is a short-lived perennial which produces sturdy spikes of large, double, cerise pink, fringed flowers. Blooming from mid to late summer, the striking flowers are arranged all round the spike and bloom from the bottom up.

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Alcea rosea 'Halo Blush' (Hollyhock)

Providing architectural height to borders, Alcea rosea 'Halo Blush' (Hollyhock) is a short-lived perennial which produces tall, sturdy spikes of large, funnel-shaped, white, single flowers, adorned with a bright fuchsia-red halo and yellow throat. Blooming from early to midsummer, the striking flowers are arranged all round the spike and bloom from the bottom up.

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Alcea rosea 'Halo Cerise' (Hollyhock)

Providing architectural height to borders, Alcea rosea 'Halo Cerise' (Hollyhock) is a short-lived perennial which produces tall, sturdy spikes of large, funnel-shaped, cerise pink, single flowers, adorned with a rich purple halo. Blooming from early to midsummer, the striking flowers are arranged all round the spike and bloom from the bottom up.

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Alcea rosea 'Mars Magic' (Hollyhock)

Providing architectural height to borders, Alcea rosea 'Mars Magic' (Hollyhock) is a robust perennial which produces tall, sturdy spikes of funnel-shaped, brilliant red, single flowers, 4 in. across (10 cm), with a bright buttery-yellow throat. Blooming from mid to late summer, the striking flowers are arranged all round the spike and bloom from the bottom up.

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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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Alcea rosea 'Radiant Rose' (Hollyhock)

Providing architectural height to borders, Alcea rosea 'Radiant Rose' (Hollyhock) is a robust perennial which produces tall, sturdy spikes of funnel-shaped, brilliant rosy-pink, single flowers, 4 in. across (10 cm), with a bright buttery-yellow throat. Blooming from mid to late summer, the striking flowers are arranged all round the spike and bloom from the bottom up.

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Alcea rosea 'Spring Celebrities Carmine Rose' (Hollyhock)

Noted for its shorter stature, Alcea rosea 'Spring Celebrities Carmine Rose' (Hollyhock) is a short-lived perennial which produces sturdy spikes of large, double, brilliant rosy-red flowers. Blooming from mid to late summer, the striking flowers are arranged all round the spike and bloom from the bottom up. An old garden favorite, this hollyhock is perfect for the sunny border or containers. Great for small gardens too!

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Alcea rosea 'Spring Celebrities Lilac' (Hollyhock)

Noted for its shorter stature, Alcea rosea 'Spring Celebrities Lilac' (Hollyhock) is a short-lived perennial which produces sturdy spikes of large, double, lilac, fringed flowers. Blooming from mid to late summer, the striking flowers are arranged all round the spike and bloom from the bottom up. An old garden favorite, this hollyhock cultivar is perfect for the sunny border or containers. Great for small gardens too!

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Alcea rosea 'Spring Celebrities Pink' (Hollyhock)

Noted for its shorter stature, Alcea rosea 'Spring Celebrities Pink' (Hollyhock) is a short-lived perennial which produces sturdy spikes of large, double, soft pink flowers. Blooming from mid to late summer, the striking flowers are arranged all round the spike and bloom from the bottom up. An old garden favorite, this hollyhock is perfect for the sunny border or containers. Great for small gardens too!

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Alcea rosea 'Spring Celebrities Purple' (Hollyhock)

Noted for its shorter stature, Alcea rosea 'Spring Celebrities Purple' (Hollyhock) is a short-lived perennial which produces sturdy spikes of large, double, rich purple flowers. Blooming from mid to late summer, the striking flowers are arranged all round the spike and bloom from the bottom up. An old garden favorite, this hollyhock is perfect for the sunny border or containers. Great for small gardens too!

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