(Purple Allamanda)

A large, evergreen climber native to the tropical areas of Central and South America; purple allamanda is a striking addition to any frost-free landscape.

Pretty violet-shaded flowers are trumpet-shaped, very showy and appear all year in consistently warm climates. This vine has thin, arching, twining woody branches. The bark is brown, furrowed on mature stems and yellow-green on younger branches. These emit a milky irritating sap when broken. The leaves are elliptical in shape, slightly fuzzy,...

(Compact Golden Trumpet, Golden Trumpet, Yellow Allamanda)

Yellow allamanda is a massive climbing evergreen shrub native to tropical South America. Its cultivar 'Grandiflora' has large, abundant, light yellow flowers. The fragrant, loosely clustered blooms appear nearly year-round in tropical conditions. Spiny seed capsules follow the flowers. The coarse oval leaves are leathery and glossy. The long, scrambling stems will climb any structures available, or will grow as a freestanding shrub if their tips are regularly pruned. They are relatively compact compared...

(Yellow Allamanda)

Yellow allamanda is a massive climbing evergreen shrub native to tropical South America. Its cultivar 'Grandiflora' has especially large, abundant, light yellow flowers. The fragrant, loosely clustered, trumpet-shaped blooms appear nearly year-round in tropical conditions. Spiny seed capsules follow the flowers. The coarse oval leaves are leathery and glossy. The long, scrambling stems will climb any structures available, or will grow as a freestanding shrub if their tips are regularly pruned. They...

(Golden Trumpet, Henderson's Golden Trumpet, Yellow Allamanda)

Yellow allamanda is a massive climbing evergreen shrub native to tropical South America. Its cultivar 'Hendersonii' has especially large, orange-yellow, bronze-tinged flowers with white-spotted throats. The fragrant, loosely clustered, trumpet-shaped blooms appear nearly year-round in tropical conditions. Spiny seed capsules follow the flowers. The coarse oval leaves are leathery and glossy. The long, scrambling stems will climb any structures available, or will grow as a freestanding shrub if their...

(Golden Trumpet, Lemon Sprite Golden Trumpet, Yellow Allamanda)

Yellow allamanda is a massive climbing evergreen shrub native to tropical South America. Named for its relatively small flowers, leaves, and stature, the cultivar 'Lemon Sprite' bears loose clusters of fragrant, trumpet-shaped, yellow blooms nearly year-round. Spiny seed capsules follow the flowers. The oval leaves are leathery and glossy. The scrambling stems will climb any structures available, or will grow as a freestanding shrub if their tips are regularly pruned.

This handsome shrub requires...

(Golden Trumpet Bush)

The heat-loving golden trumpet bush, also called dwarf allamanda, is a beautiful, compact shrub that is covered in bright yellow flowers all year around. Brazilian in origin, Allamanda schottii is a tropical evergreen that is popular plant for beds, borders, hedges and large containers.

Bright green to yellow-green leaves cover this shrub throughout the year. These are opposite to one another, and broadly elliptical in shape. The woody branches are covered with brown, furrowed bark...

(Beau Regard Ornamental Onion, Ornamental Onion)

This excellent allium hybrid displays enormous, rosy-purple flower clusters on tall, sturdy stems in late spring to early summer. Its starry, individual florets are packed densely in rounded globes that can be as large as 8 inches (20 centimeters) in diameter, adding instant drama to mixed beds and borders. They rise from low rosettes of bold, strappy, deep green leaves that remain attractive while the plants are in flower, unlike those of many other alliums.

In autumn, plant the bulbs of ‘Beau...

(Firmament Ornamental Onion, Ornamental Onion)

This gorgeous ornamental allium graces the garden with globes of starry, silvery-purple blossoms in late spring. The rounded, softball-sized flower clusters are borne on sturdy, slender stems which rise above strappy, deep green basal leaves that emerge in spring and fade as the plants bloom.

In autumn, plant the bulbs of ‘Firmament’ in fertile, well-drained soil at a depth of two to three times their diameter. Full sun is essential, and dryish summer conditions are preferable. Plant in small...

(Gladiator Ornamental Onion, Ornamental Onion)

A hybrid of two large-flowered Central Asian alliums, ‘Gladiator’ is a bulbous perennial grown for its huge globes of starry, metallic purple, green-eyed flowers displayed in late spring to early summer. The dense, rounded flower clusters are borne singly atop tall, sturdy, bare stems which rise above deep green, broadly sword-shaped basal leaves that emerge and spring and wither as the blossoms appear.

In autumn, plant the bulbs of ‘Gladiator’ in fertile, well-drained soil at a depth of two...

(Globemaster Ornamental Onion, Ornamental Onion)

For many, ‘Globemaster’ is the standard against which all other ornamental alliums are judged. The gigantic, rounded, lavender-purple flowerheads of this hybrid are composed of small, starry, densely packed florets, and can approach the size of a volleyball. Appearing in late spring, they are borne singly on tall, sturdy stems which rise above bold, strappy, deep green basal leaves that appear in spring and fade as the plants bloom.

In autumn, plant the bulbs of ‘Globemaster’ in fertile, well-drained...