Hardiness Zones / 12

 

Plants For Hardiness 12, Flowers For Hardiness 12, Perennials For Hardiness 12, Annuals For Hardiness 12, Shrubs For Hardiness 12, Bulbs For Hardiness 12, Border ideas For Hardiness 12

Zone 12

Hardiness zone 12: lowest average temperatures of 50°F and 60°F or +10°C and +15.6°C

Based on the minimum ten-year average winter temperatures, plant hardiness zones maps have been progressively developed, first by the Department of Agriculture (USDA) for the United States and then more or less applied to the rest of the planet. The purpose of these hardiness zones is to identify how well plants will withstand the cold winter temperatures of these zones. The USDA Hardiness Zone Map divides North America into 13 zones. The range of minimum average temperatures for zone 12 is between 50°F and 60°F or +10°C and +15.6°C. If you are planning to buy a shrub, perennial or tree, you need to make sure that this new plant will tolerate year-round conditions in your area. Therefore, to ensure your new acquisition will survive and grow year after year, you will need to compare the hardiness zone of your area with the hardiness zone of your plant.


Zone 12 Guides


Aeonium 'Sunburst'

Among the loveliest of Aeoniums, award-winning 'Sunburst' is an evergreen succulent with large variegated rosettes, 6-8 in. across (15-20 cm), of fleshy, spoon-shaped leaves. Held on long bare stems, the leaves are a delightful combination of creamy yellow and green stripes and are adorned with coppery red tips when exposed to the sun.

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Aeonium 'Zwartkop'

A truly captivating Aeonium, award-winning 'Zwartkop' is an evergreen succulent with large rosettes, 6-8 in. across (15-20 cm), of glossy, fleshy, dark burgundy, pointed leaves. If grown in full sun, the foliage of this Aeonium turns almost black, adding incredible drama and interest to the garden or containers.

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Aeonium canariense (Canary Island Aeonium)

Aeonium canariense is an impressive evergreen succulent with large velvety rosettes, 6-12 in. across (15-30 cm), of fleshy leaves. Fresh green when grown in part shade, the soft, fuzzy leaves become tinged with reddish pink when exposed to the sun.

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Aeonium haworthii 'Kiwi'

A very pretty Aeonium, award-winning 'Kiwi' is an evergreen succulent with small variegated rosettes, 3-5 in. across (7-12 cm), of fleshy, spoon-shaped leaves. Creamy-yellow in their center, the pointed leaves gradually change to soft green towards their edges, which are elegantly adorned with a rose-red ribbon when adequately exposed to the sun.

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Agave attenuata 'Boutin Blue' (Fox Tail Agave)

A splendid blue selection of Fox Tail Agave, Agave attenuata 'Boutin Blue' is an evergreen succulent perennial which produces elegant rosettes of wide, flexible, blue-green leaves, without any teeth along their margins. Emerging from a tight center, the soft, pliable, voluptuous leaves arch gracefully back.

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Agave attenuata 'Ray of Light' (Fox Tail Agave)

An exquisite variegated selection of Fox Tail Agave, Agave attenuata 'Ray of Light' is an evergreen succulent perennial which produces elegant rosettes of wide, flexible, pale green leaves, adorned with a fine white streak running the length of each leaf margin. Emerging from a tight center, the soft, pliable leaves arch gracefully back.

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Agave attenuata (Fox Tail Agave)

Unlike many Agaves, Agave attenuata (Fox Tail Agave) is an evergreen succulent perennial which produces a handsome rosette of silvery, pale green leaves, up to 4 ft. wide (120 cm), without teeth or terminal spines. Born on a thick stem which can reach 4 ft. (120 cm), the rosette is composed of flexible leaves which gracefully arch back, resembling an open flower.

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Agave parryi (Artichoke Agave)

Surprisingly cold hardy, award-winning Agave parryi (Artichoke Agave) is an evergreen, perennial succulent forming pretty rosettes of thick, rigid, silvery-blue to silvery-green leaves, tipped and edged with short, dark spines.

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Agave parryi var. huachucensis (Artichoke Agave)

Fairly compact and cold tolerant, Agave parryi var. huachucensis (Artichoke Agave) is an evergreen, perennial succulent forming tight rosettes of broad, thick, rigid, silvery-gray leaves with a conspicuous dark terminal spine.

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Agave parryi var. truncata 'Huntington' (Artichoke Agave)

Highly sought after, Agave parryi var. truncata 'Huntington' (Artichoke Agave) is an evergreen, perennial succulent forming tight rosettes of thick, broad, short, pale blue-gray leaves with widely spaced small teeth and a wavy terminal spine. Dark reddish-brown on new leaves, the spines fade to gray on older leaves. Adding intriguing beauty, the leaves carry on their lower surfaces the distinct imprints of the thorny leaf margins of the previous outer leaf-bud.

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Agave parryi var. truncata (Artichoke Agave)

Fairly compact and cold tolerant, Agave parryi var. truncata (Artichoke Agave) is an evergreen, perennial succulent forming tight rosettes of broad, short, thick, silvery-blue leaves with conspicuous reddish-brown teeth and terminal spines.

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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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Alocasia macrorrhiza (Giant Taro)

A striking beauty with its dramatic, gigantic leaves, Alocasia macrorrhiza (Giant Taro) is a rhizomatous evergreen perennial which is excellent for bringing a lush look to gardens. Resembling the ears of an elephant, thick, prominently-veined, ruffled, green leaves are borne on rigid stalks (petioles) which jut vertically from a stout upright trunk.

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Alocasia x amazonica 'Polly' (Amazonian Elephant Ear)

A striking and beautiful houseplant, Alocasia x amazonica 'Polly' (Amazonian Elephant Ear) is a robust rhizomatous evergreen perennial with dark green, narrowly arrow-shaped, wavy-edged leaves, adorned with ribs and margins marked in bright creamy white.

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Alocasia x amazonica (Amazonian Elephant Ear)

A striking and beautiful houseplant, Alocasia x amazonica (Amazonian Elephant Ear) is a robust rhizomatous evergreen perennial with dark green, narrowly arrow-shaped, wavy-edged leaves, up to 2 ft. long (60 cm), adorned with ribs and margins marked in bright creamy white. Reminiscent of calla lily flowers, yellow flowers appear sporadically amid the boldly patterned leaves on older plants.

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Aloe aristata (Torch Plant)

Hardy and attractive, Aloe aristata (Torch Plant) is an evergreen succulent perennial forming charming rosettes, packed with fleshy, lance-shaped, incurved leaves with tufted tips. Pale green in the shade, the leaves turn dark green in full sun. Each leaf exhibits scattered white spots, raised near the base and becoming spiny towards the tips.

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Aloe barbadensis (Barbados Aloe)

Well-known for the medicinal value of the juice of its leaves, Aloe barbadensis (Aloe vera) is an evergreen succulent perennial forming clumps of rosettes of long, fleshy, narrow, light green leaves with whitish to reddish toothed margins. The leaves turn reddish purple when the plant is under drought stress. I

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Aloe cameronii (Red Aloe)

Regarded as one of the most attractive foliage Aloes, Aloe cameronii (Red Aloe) is an evergreen succulent with upright stems of open rosettes. The fleshy, gracefully curving leaves are a rainbow of colors ranging from green to a rich coppery red, depending on sun and water.

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Aloe capitata var. quartziticola

A stemless Aloe, Aloe capitata var. quarziticola is an evergreen succulent perennial forming a beautiful open rosette of fleshy, tapered, gray-green leaves, up to 18 in. long (45 cm). Milky blue-gray in cloudy conditions, the leaves turn purple-tinged with brighter exposure.

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Aloe ferox (Cape Aloe)

Native to South Africa, Aloe ferox (Cape Aloe) is a large and showy, evergreen succulent forming a dense rosette of blue-green, lance-shaped leaves, often flushed with rose, up to 3 ft. long (90 cm). Each leaf is adorned with dark brown spines along the edges and on the leaf surfaces, especially on the lower surface.

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Aloe maculata (Soap Aloe)

Prized for its colorful flowers and interesting foliage, Aloe maculata (Soap Aloe) is an evergreen succulent perennial forming small rosettes of thick, sword-shaped, white spotted leaves adorned with sharp teeth along their edges. Pinkish red in full sun, the foliage turns bluish-green in part shade.

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Aloe marlothii (Mountain Aloe)

Adding a majestic presence to the garden, Aloe marlothii (Mountain Aloe) is a large evergreen succulent forming a dense rosette of fleshy, grayish green leaves, up to 5 ft. long (150 cm), with a broad base tapering to a sharp point. They are covered with reddish-brown spines along the edges and randomly on their upper and lower surfaces.

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Aloe plicatilis (Fan Aloe)

Unique with its fan-like leaf arrangement, Aloe plicatilis (Fan Aloe) forms a remarkable shrub or small tree. At the end of branched stems, the fleshy, strap-shaped, round-tipped, blue-gray leaves, about 1 ft. long (30 cm), are stacked in pairs and are reminiscent of fans.

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