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United Kingdom, UK gardening, UK garden, UK Climate, UK Region

United Kingdom

Be aware of the hardiness zone in your area before you decide to buy plants. Some plants might not survive over winter!

The United Kingdom lies in USDA Plant Hardiness Zones 6 through 9 with some variations across regions and seasons. It enjoys a temperate maritime climate characterized by cool winters and warm summers. Summers are cooler than those on the continent (not much higher than 32ºC in summer), but the winters are milder (not much lower than 0ºC in winter). Around the coasts, February is normally the coldest month, but inland there is little to choose between January and February as the coldest month.

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




Agave americana 'Mediopicta Aurea' (Century Plant)

Smaller than its giant cousin, Agave americana, 'Mediopicta Aurea'(Century Plant) is an evergreen perennial forming striking rosettes of thick, spiny-edged, gray-green leaves, each with a bright yellow central stripe.

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Agave americana (Century Plant)

Incredibly beautiful and majestic, Agave americana (Century Plant) is a very large, evergreen perennial forming handsome rosettes of thick, spiny-edged, blue-green leaves, up to 6 ft. long (180 cm).

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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 chrysantha (Golden Flowered Century Plant)

A fascinating North American Agave, Agave chrysantha (Golden Flowered Century Plant) is an evergreen, perennial succulent forming a pretty rosette of fleshy, sword-shaped, grey-green leaves which radiate gracefully from the center of the plant, giving it a neat and rounded shape. Deeply guttered, the leaves are lined with sharp spines along their edges and with a terminal spine.

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Agave colorata (Mescal Ceniza)

Slow growing, Agave colorata (Mescal Ceniza) is an evergreen, perennial succulent forming a rosette of fleshy, nearly spoon-shaped, powdery blue leaves with particularly fascinating crossbanding. Rough textured, the leaves are deeply scalloped and lined with formidable, dark brown teeth along their margins and tipped with a stout terminal spine.

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Agave desmetiana 'Variegata'

Graceful and upright, Agave desmetiana 'Variegata' is an evergreen succulent perennial which produces urn-shaped rosettes of elegantly curved, bright green leaves with bright golden-yellow edges and a terminal reddish-brown spine.

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Agave franzosinii (Majestic Agave)

Incredibly majestic, Agave franzosinii is a very large, evergreen perennial forming a usually solitary rosette of thick, spiny-edged, powdery blue-gray leaves that arch gracefully. While many agaves are coated with a waxy glaucus that helps reflect sunlight and conserve water, this agave displays interesting dark green patterns where the wax has been rubbed off as the leaves grow.

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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 montana (Mountain Agave)

Resembling a large artichoke, Agave montana (Mountain Agave) is an evergreen, perennial succulent forming a rosette of fleshy, broad, upright, apple green leaves with large cinnamon-red teeth along the margins and a stout terminal spine. 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 nickelsiae (King of the Agaves)

An unforgettable sight, Agave nickelsiae, previously named Agave ferdinandi-regis, is an evergreen, perennial succulent forming a striking compact rosette of stout, smooth and spineless, dark olive green leaves. Each leaf is beautifully adorned with ornamental white bud prints. Lacking teeth along the edges, they instead exhibit narrow white margins and are tipped by a contrasting black terminal spine.

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Agave ovatifolia 'Frosty Blue' (Whale's Tongue Agave)

Surprisingly cold hardy, Agave ovatifolia 'Frosty Blue' (Whale's Tongue Agave) is an evergreen, perennial succulent forming a solitary rounded rosette of thick, broad, distinctively cupped, gray to powdery-blue leaves. Adding interesting texture and interest year-round, the leaves are lined with small teeth along their margins and tipped with a dark gray terminal spine.

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Agave ovatifolia (Whale's Tongue Agave)

Surprisingly cold hardy, Agave ovatifolia (Whale's Tongue Agave) is an evergreen, perennial succulent forming a solitary rounded rosette of thick, broad, slightly cupped, gray to powdery-blue leaves. Adding interesting texture and interest year-round, the leaves are lined with small teeth along their margins and tipped with a long terminal spine.

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Agave parrasana (Cabbage Head Agave)

Slow-growing, award-winning Agave parrasana (Cabbage Head Agave) is a compact evergreen, perennial succulent forming pretty rosettes of broad, closely packed and overlapping, pale blue-gray leaves, armed with gnarled teeth along the edges. The thick, rigid leaves are often irregularly dusted with a silvery blue coating, that shows impressive bud imprints and creates a lovely mottled appearance.

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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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Agave shawii (Shaw's Agave)

Particularly stunning when lit by the morning or late afternoon sun, Agave shawii (Coastal Agave) is an evergreen, perennial succulent forming a rosette of fleshy, sword-shaped, green leaves which radiate gracefully from the center of the plant, giving it a neat and rounded shape. They are lined with gray spines which exhibit coral, gold, pink or red shades when backlit, adding intriguing beauty.

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Agave striata (Narrow Leaf Century Plant)

A very hardy Agave from northeastern Mexico, Agave striata (Narrow Leaf Century Plant) is an evergreen, perennial succulent forming interesting rosettes of thin, gray-green leaves with a sharp, dark brown terminal spine. Radiating from the center, the leaves can be stiff or upward curving, and may add lovely purple tones in drought or cold.

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Agave univittata 'Quadricolor'

An exquisite small Agave, Agave univittata 'Quadricolor' is a highly ornamental evergreen succulent forming colorful rosettes of toothed, strikingly-striped leaves about 6-12 in. long (15-30 cm). Dark green in their center, the leaves are adorned with a pale green midstripe and golden-yellow edges, which are lined with a row of dark reddish teeth.

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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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Agave victoriae-reginae (Queen Victoria Century Plant)

Incredibly attractive, award-winning Agave victoriae-reginae is an evergreen, perennial succulent forming a perfectly spherical, solitary rosette of thick, smooth and spineless, dark green leaves. Each leaf is adorned with almost 'hand-painted' white margins and a small terminal spine.

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