Alphabetical Plant Listing

Garden Types / Formal Garden


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Formal Garden

Add a dramatic sense of scale and proportion to your garden!

Formal gardens are often characterized by well-defined structure and geometry as a reflection of man’s influence on nature. Organized around a central axis or pathway, formal garden designs focus on symmetry and easily recognizable ground patterns. Often, this axis features a sculpture or decorative ornament for effect and a focal point. The materials palette is generally kept to a minimum, with gravel and regular paving stones. The main planting features consist of lawns and hedges, the latter being used to define space, edge borders or create parterres. Adding height, pleached trees may be introduced to create ordered avenues while decorative borders may be planted to soften the garden’s rigorous geometry.

Formal Garden Guides


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Allium 'Ambassador' (Ornamental Onion)

Award-winner Allium 'Ambassador' is one of the tallest and most architectural onions with its large globe-shaped inflorescence, 8 in. across (20 cm), densely packed with hundreds of small, star-shaped purple flowers. Blooming for up to 5 weeks in late spring to early summer, this spectacular Allium enjoys one of the longest blooming season.

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Allium 'Firmament' (Ornamental Onion)

Regarded by some as one of the very best, Allium 'Firmament' is a rather unusual Allium. Instead of having round flowerheads, it is only two-thirds of the sphere, about 4-5 in. wide (10-12 cm). It is packed with star-shaped, dark silvery purple flowers, each flower being comprised of dark purple florets adorned with shimmering silver anthers.

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Allium 'Gladiator' (Ornamental Onion)

One of the tallest and most architectural onions with its inflorescence consisting of dozens of small star-shaped reddish-purple flowers forming a 6 inches across (15 cm) globe-shaped cluster

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Allium 'Globemaster' (Ornamental Onion)

Boasting of of the biggest flower heads, multiple award-winner Allium 'Globemaster' is a striking ornamental onion with its inflorescence consisting of dozens of small star-shaped violet flowers forming a 10 inch wide (25 cm) globe-shaped cluster!

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Allium 'His Excellency' (Ornamental Onion)

Tall and majestic, Allium 'His Excellency' is a most architectural flowering onion with its large globe-shaped inflorescence, 5 in. across (12 cm), densely packed with hundreds of small, star-shaped violet-blue flowers. Blooming for weeks in late spring to early summer, this spectacular Allium remains ornamental in the garden well into summer. Planted in groups, it makes a terrific focal point within the border.

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Allium 'Mont Blanc' (Ornamental Onion)

Tall and elegant! Allium 'Mont Blanc' is a splendid beauty with its 4 inch wide (10 cm) umbels of pure-white flowers atop sturdy, upright stems

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Allium 'Mount Everest' (Ornamental Onion)

Large shimmering white flowers! Allium 'Mount Everest' is a splendid beauty with its 6 inch wide (15 cm) umbels of pure-white flowers atop sturdy, upright stems! Its basal, semi-erect strap-shaped grayish-green leaves are also quite ornamental.

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Allium 'Round and Purple' (Ornamental Onion)

Long-lasting, large round lilac flower heads! Probably the biggest flower heads of all Alliums.

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Allium giganteum (Ornamental Onion)

Dramatic border background plant! Perhaps the tallest of the ornamental onions, Allium giganteum is a striking and bold addition to the garden with its star-shaped, tiny lilac-purple flowers forming a 5-6 in. wide (12-15 cm) globe-shaped cluster.

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Allium hollandicum 'Purple Sensation' (Ornamental Onion)

A favorite of many gardeners, multiple award-winner Allium 'Purple Sensation' is a striking ornamental onion with its inflorescence consisting of dozens of small, star-shaped, rich violet-lilac flowers, forming perfectly round flowerheads, 3 in. wide (8 cm). They are borne atop sturdy stalks, which arise from a group of 6 to 8 handsome, blue-green, straplike leaves.

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Allium stipitatum 'White Giant' (Ornamental Onion)

One of the tallest white Alliums, Allium 'White Giant' features huge globes, 6-8 in. wide (15-20 cm), densely packed with hundreds of snow-white flowers adorned with emerald green eyes. They are borne atop sturdy, upright stems and rise above the foliage of upright, strap-shaped, glossy green leaves.

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Buxus 'Green Velvet' (Boxwood)

Buxus 'Green Velvet' (Boxwood) is a compact, broad-mounded, evergreen shrub with a lush foliage of opposite, glossy, dark green leaves. The foliage retains its excellent dark green color throughout the winter.

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Buxus microphylla 'Faulkner' (Small-Leaved Boxwood)

Award-winning Buxus microphylla 'Faulkner' (Small-Leaved Boxwood) is a dense, compact, evergreen shrub with a lush foliage of small, rounded, dark bluish green, glossy leaves. The foliage retains its rich color most of the year, becoming bronze-tinged in cold winter weather.

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Buxus microphylla var. japonica 'Green Beauty' (Japanese Boxwood)

Buxus microphylla var. japonica 'Green Beauty' (Japanese Boxwood) is a dense and compact evergreen shrub with a lush foliage of small, glossy, lance-shaped, dark green leaves. The foliage retains its rich color most of the year, becoming bronze-tinged in cold winter weather.

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Buxus sempervirens 'Blauer Heinz' (Boxwood)

Compact, Buxus sempervirens 'Blauer Heinz' (Boxwood) is a small, slow-growing, broadleaf evergreen shrub with a soft and lush foliage of ovate, fairly glossy, blue-green leaves.

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