Monrovia Adds Nine Varieties for 2014

Monrovia has introduced nine exclusive and semi-exclusive new varieties for 2014.

According to Nicholas Staddon, director of new plants, the company partners with breeders and plant hunters like Dan Hinkley.

“We look for plants that are healthier, hardier and easier to care for – plus those with outstanding color, shape, flowers and foliage,” he says.

The latest offerings include three additional selections to the Dan Hinkley Collection, two from the U.S. National Arboretum and four discovered by craftsmen at one of Monrovia’s nurseries.

Callistemon Scarlett Torch Bottlebrush 

Callistemon rigidus ‘RutCall’ P.P.A.F. 

USDA  Zones 8 – 11 

This new variety blooms from late spring through summer and intermittently year-round in frost-free climates. The shrub has gray-green foliage and can be a hedge or pruned as a small tree. From breeder Dr. John Ruter at the University of Georgia, this floriferous Bottlebrush has a compact form that is ideal for smaller landscapes. It will reach nine feet tall and 12 feet wide in 10 years. Full sun.


Nikko Blush Deutzia 

Deutzia x ‘Nikko Blush’ (NA74356) 

USDA Zones 5 – 8 

A new hybrid from the U.S. National Arboretum, this blushing beauty will herald spring with a profusion of soft pink blooms. A compact shrub with multi-branched form, it is perfect for foundation plantings or to create a low hedge. Bright green foliage on arching branches displays deep burgundy fall color. Deciduous. Moderate growing to six to eight feet tall and six feet wide.


Windcliff Slaty Blue Lenten Rose 

Helleborus x ‘Windcliff Slaty Blue’ 

USDA Zones 4 – 9 

Grown from seed collected at Dan Hinkley’s Windcliff gardens, this winter-blooming flower is named for its rare and unusual slate-blue colored flowers on tall, robust stems. A very adaptable and hardy, deer-proof perennial, it is well-suited for woodland garden or dappled shade borders. Gray-green foliage forms clumps 15 to 18 inches tall and 24 inches wide. The strong flower stems hold up well in cut flower arrangements.


Enchantress Hydrangea 

Hydrangea macrophylla ‘Monmar’ P.P.A.F. 

USDA Zone 5 – 9  

Enchantress has large mophead flowers atop ruby-black stems. Blooming on old and new wood, clusters are up nine inches across; blue in acid soils, pink in alkaline soils. The plant has tall, dark stems that are pencil thick. Great in warmer climates and cold hardy to Zone 5. A rounded habit, it will reach three to five feet tall and wide. 


Lionel Fortescue Mahonia 

Mahonia x media ‘Lionel Fortescue’ 

USDA Zones 5 – 9 

New to our Dan Hinkley Collection is this larger-growing Mahonia, featuring sprays of fragrant yellow flowers that appear in late fall through winter. When not in flower, this evergreen shrub has a statuesque, upright branching structure with thick fern-shaped leaves. Shiny blue-black berries mature by late summer or autumn. With resistance to black stem rust, this  selection is ideal for a woodland setting or wildlife garden. A moderate grower, it will reach seven to 10 feet tall and four to five feet wide.


Brookside Miniature Lily of the Valley 

Pieris japonica ‘Brookside Miniature 

USDA Zones 6 – 9 

This slow-growing, dwarf evergreen shrub has plentiful clusters of fragrant white flowers in early spring. The small, tight foliage emerges chartreuse before maturing to green. Its small stature makes it a perfect choice for small spaces. Slow growing, reaching two to three feet tall and wide. Partial to full sun.


Formosan Fingers Pittosporum 

Pittosporum illiciodes ‘MonToroko’ 

USDA Zones 7 – 10 

A compact selection made by Dan Hinkley, this rare, evergreen species was discovered in Taiwan. This handsome, upright evergreen shrub is clad with remarkably long and narrow eight-inch leaves on a moderately sized framework. Slightly fragrant creamy white flowers in spring result in crops of orange-red berries in autumn. Reaches up to six feet tall and wide.


Tasman Ruffles Pittosporum 

Pittosporum tenuifolium ‘Tasman Ruffles’ 

USDA Zones 7 – 10 

One of the hardiest selections of this New Zealand native species, this evergreen shrub has clean, creamy white marginated foliage on a dense, conical framework reaching 10 feet tall.


Golden Duchess Eastern Hemlock 

Tsuga canadensis ‘MonKinn’ P.P.A.F. 

USDA Zones 4 – 7 

The Golden Duchess has golden yellow foliage on arching branches. A dwarf shrub with a low, mounding form, this new selection shows improved sun tolerance. It is an ideal choice for woodland, rock garden or container specimen, plant in mass for a truly dramatic effect. It will reach three to four feet tall and three to five feet wide. Prefers a dappled shade position in the garden. This selection was discovered at Monrovia’s Oregon nursery by craftsman Ron Kinney as a sport of Tsuga canadensis.

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