Plant Guide

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Hedge

choisya-ternata

Choisya ternata

Mexican orange blossom, Mexican orange

Rounded, evergreen shrub native to southern USA and Mexico. Glossy leaves palmately divided into three leaflets, 5-8 cm long, covered with oilglands, aromatic when crushed.  Clusters of small, star-shaped, scented, pure white flowers, 1-2 cm across, similar to orange blossoms in shape and fragrance. Main flowering season is spring, but flowers intermittently during the rest of the year.

Choisya ternata prefers a sheltered position in full sun, but copes with full shade. In very hot climates a position in partial shade whithout afternoon sun is best. Will grow in a range of soils, including sandy or loamy, and acidic or neutral. Drought tolerant once established. 

Lightly prune after flowering.

 

convolvulus-cneorum

Convolvulus cneorum

silverbush, shrubby bindweed, silvery bindweed

Bun-shaped evergreen shrub with silvery appearance, native to the Mediterranean. Silky, grey-green leaves, covered with tiny hairs. White flower buds, flushed with pink, open to short trumpet-shaped, 4 cm wide, white flowers with yellow centers, often completely covering the plant. Flowers close at night and may only partially open on dull days. 

Convolvulus cneorum prefers a position in full sun and light, poor to moderately fertile, well draining soil. Tolerates coastal conditions, drought, and light to medium frosts. Usually free from pests and diseases. Lightly trim after flowering to keep compact. Suitable for containers.

Excellent choice for hot and dry areas. Suitable as a low, informal hedge or path edging. Combines beautifully with purples and blues. The silvery foliage looks great when planted en masse and used as a colour and shape contrast for more architectural shrubs such as dark--leafed flax cultivars, or as a shape contrast for grey, architectural plants like Astelia chathamica 'Silver spear'. 

coprosma-repens

Coprosma repens

taupata, mirror plant

Variable evergreen shrub or tree to 4-6 m tall, with oblong, thick, very shiny leaves. Leaf size varies from 6-9 cm long and 4-7 cm wide in shade to 2-3 cm long and 1.5-2 cm wide in full sun. Leaf margins may be wavy or somewhat curled under.  Like many coprosma species, the leaves have small pits (domatia) between the midvein and one or more lateral veins of the undersides. Inconspicuous female and male flowers on separate plants. On female plants, flowers are followed by bird-attracting orange-red drupes.

Occurs naturally throughout the North Island and parts of the South Island of New Zealand. Has give rise to a number of variegated cultivars.

Extremely tough plant, tolerant of very exposed coastal situations where it may become prostrate or assume gnarled and twisted shapes. Prefers full sun, but tolerates partial shade well. Copes with deep shade, but is more stretched and less compact. Intolerant of wet or waterlogged soil. Suitable for dry areas. Tolerates light frosts.

Responds well to clipping and is often used as a hedge, in particular in coastal areas.

dodonaea-viscosa

Dodonaea viscosa

akeake, hopbush, hopseed, hopwood, soapwood, sticky hopbush

Variable, evergreen shrub or small tree, occurring naturally in coastal and lowland forests throughout the North Island, the northern part of the South Island of New Zealand, and the Chatham Islands. Also found in southern Africa, tropical America, the Pacific Islands, and throughout Australia. Alternate, linear to lanceolate, pale to mid-green, sticky leaves, 4-10 cm long and 1-3 cm wide. Tiny creamy yellow, usually unisexual flowers in spring, with male and female flowers borne mostly on separate trees. In summer, female flowers are followed by conspicuous, 1-2 cm wide, winged seed capsules. These capsules are pale yellow, gradually turning reddish brown, starting from the edges of the wings. Attractive red-brown bark, peeling in stringy flakes. Very tough wood, black with white streaks.

Prefers a sunny or semi-shaded position in well-draining soil. Tends to become leggy when light levels are too low. Tolerates light to moderate frosts (zone 9), coastal conditions, dry soils, and strong winds. Does not tolerate wet soils. Prune regularly and lightly to keep compact. Responds to trimming for hedging purposes.

Versatile, fast-growing plant. Dodonaea viscosa can be grown as a specimen tree by gradually removing the lower branches, showing off the bark and developing an interesting, irregular crown, shaped by the wind in exposed situations. Although predominantly used as a foliage plant, a tree laden with seed capsules is a sight to behold. Excellent choice for a hedge, in particular in coastal areas, and when alternated with other hedging plants. Also makes a good filler or backdrop for lower-growing shrubs with different textures and/or foliage colours. 

dodonaea-viscosa-purpurea

Dodonaea viscosa 'Purpurea'

purple akeake

Purple-bronze cultivar of Dodonaea viscosa, originally discovered in the early 1890s on a riverbank in Marlborough in New Zealand. Grows into a small bushy tree or shrub up to 4 m tall and 2 m wide. Narrow-obovate to narrow-elliptic leaves, 4-10 cm long and 1-3 cm wide. The purple leaf colour intensifies during the colder months. Flowers are arranged in terminal panicles to 4 cm long, purplish red, and mostly bisexual. (The species itself produces dull yellow unisexual flowers, usually on separate plants.) Flowers are followed by much larger, winged, purplish red seed capsules in summer. Red-brown, stringy bark. 

Prefers a sunny or partially shaded position in free-draining soil. Suitable for dry, exposed, and coastal sites. Tolerates light to moderate frosts (zone 9). Intolerant of very wet soils. Soft growth responds well to trimming, but avoid pruning old wood. Lower branches can be removed to create a clear-trunk. Leaf colour is better when planted in poor soil.

Makes an interesting specimen tree with attractive bark, beautiful purple foliage, reddish purple seed capsules and, in particular in very windy areas, an irregularly shaped canopy. Excellent choice for hedging purposes in coastal gardens. Cut stems with foliage and seed capsules add an unusual dimension to floral arrangements.

duranta-erecta-geisha-girl

Duranta erecta 'Geisha Girl'

geisha girl pigeon berry

Fast growing, evergreen shrub with glossy green leaves and cascading branches. Purple-blue flowers with wrinkly white edges, mainly during summer, followed by orange-yellow berries. Poisonous leaves and berries. Attracts birds and butterflies.

Duranta repens is a synonym for Duranta erecta. The species itself is native to Southern USA, Central America, the Carribean, and South America, and has become an environmental weed in several warmer parts of the world. The newer cultivars, such as 'Geisha Girl' are thought to be less invasive.

Prefers a sunny position in any well-draining soil. Water regularly until established. Fertilise in spring with an all-purpose fertiliser. Prune after flowering to keep the plant compact. Tolerates light frost (zones 9-12). Can be trained as a standard, grown as a shrub, or trimmed as a hedge.

What a pity this shrub is so toxic! When flowering, it looks absolutely stunning.

Elaeagnus pungens 'Maculata'

Elaeagnus pungens 'Maculata'

variegated silverberry

Evergreen variegated shrub, native to Japan. Main branches spiny and more or less horizontal and arching. Copper coloured twigs. Oval leaves shiny green and yellow above, dull grey beneath with small brown glandular dots. Insignificant, but very fragrant flowers in autumn. Fast growing and tough: prefers full sun, but tolerates a wide range of conditions.

escallonia-apple-blossom

Escallonia 'Apple Blossom'

Evergreen shrub with glossy, dark green, finely toothed foliage and pale pink with white, 1 cm wide flowers for 1-2 months from early summer. Attracts bees.

Escallonia 'Apple Blossom' prefers a sunny or partially shaded position in any well-draining soil. Prune to keep compact. Suitable for coastal gardens. Responds well to trimming. Frost hardy to about -12 deg. Celsius. Drought tolerant once established. Usually disease free, but may get brown scale.

Very pretty plant when in flower, but also a lovely foliage plant. Great choice for a fine-textured hedge. Not as vigorous as most other Escallonia hybrids, so requires less frequent pruning to maintain as a hedge. When intending to grow Escallonia 'Apple Blossom' as a single specimen, plant it towards the back of a border. The glossy dark green foliage is a beautiful foil for other flowering plants.

escallonia-pink-elle

Escallonia 'Pink Elle'

Escallonia laevis 'Pink Elle' is a compact, evergreen shrub with dark green, glossy foliage, and clusters of pink flowers in summer. The leaves are ovate in shape, 4-8 cm long, and have toothed leaf margins.The flower clusters are about 10 cm long.

Also known as Escallonia laevis 'Lades'. The original plant was discovered and propagated by French nurseryman Ludovic Ladan at his nursery Pepinieres Ladan on the coast of Brittany (North-West France).

Escallonia 'Pink Elle' prefers a moist, but well-drained position in full sun, but will tolerate light shade. Grows in most soil types, including clay and sand. Once established, it has low water requirements. Hardy to about -15 degC. If trimmed back immediately after flowering the plant may flower again in Autumn.

Escallonia 'Pink Elle' puts on a magnificent flower display in summer with most of the plant covered with candy-floss pink flowers. For the rest of the year it is a well-behaved, healthy-looking filler. Looks awesome as an informal hedge too.

euryops-pectinatus

Euryops pectinatus

golden daisy bush, grey-haired euryops

Evergreen bushy shrub in the daisy family, native to South Africa. Finely divided grey-green, downy foliage. Silvery grey buds on white, downy stems, open to yellow daisies, to 6 cm across. Flowers virtually all year round in warmer climates.

Very versatile, unfussy plant. Prefers a position in full sun and well-draining soil, but tolerates a wide range of conditions, including drought and coastal exposure. Hardy to -120C. 

Prune to maintain size and shape. Great for winter colour. Mainly grown for its attractive flowers, but also useful as a beautiful grey green foliage plant that can be trimmed to a compact ball or bun shape or used as a hedge.

garrya-elliptica

Garrya elliptica

silk tassel bush; wavyleaf silktassel; coast silk-tassel; rats-tail tree; catkin bush

Evergreen shrub, or sometimes a small tree with dull, dark green wavy-edged, opposite leaves that are about 4-7 cm long. Native to the coastal areas of California and southern parts of Oregon. Winter-flowering with silvery-cream male and female flowers on separate plants. Both types of flowers are arranged in clusters of catkin-like structures (tassels), the males 8-20 cm long and the female flowers about half that size. Garrya elliptica 'James Roof' (pictured) is a male form with particuarly long tassels. Fruits on female trees resemble tiny grapes,green initially, turning purplish-grey.

Prefers a sunny spot. Can be grown in any type of soil as long as it is well-draining. Tolerant of coastal conditions and pollution. Moderately frost hardy (Zones 8-9). Prune after flowering.

The photos were taken in my street where I don't really notice it for most of the year, except for the three months of winter when it puts on this impressive show of unusual flowers. Garrya elliptica would be great in a spot where you need an evergreen filler and where it can shine in winter without other attention-seeking plants. It can also be grown as a hedge either inland or on the coast.

griselinia-littoralis

Griselinia littoralis

kapuka, papauma, broadleaf

Glossy bright green oval leaves 5 to 10 cm long and to 5 cm wide. Panicles of very tiny greenish flowers in spring. Occurs in forests throughout New Zealand. Grows as a tree up to 15 m high in nature, but is generally grown as a shrub or hedge in garden situations and maintained at a height of 1.5 to 4 m.

Will grow in a wide range of conditions. Prefers a sunny position, but also tolerates shade. Intolerant of excessively wet sites. Suitable for exposed areas. Quite drought tolerant once established. To keep the plant compact, prune once a year, preferably with secateurs (as opposed to pruning shears).  Hardy to -12 0C.

The fresh green foliage of Griselinia littoralis combines beautifully with divaricating plants such as Muehlenbeckia astonii, with flax-like plants and with taller grasses such as Chionochloa flavicans. Forms a good background for feature plantings, and perfect as a hedge.

lagunaria-patersonii

Lagunaria patersonii

Norfolk Island hibiscus, pyramid tree, Queensland white oak, itch tree, cow itch tree

Australian, evergreen tree or shrub with a columnar to pyramidal shape, endemic to Lord Howe Island, Norfolk Island, and parts of Queensland. Oval, olive to grey green leaves, 5-10 cm long. Flowering in summer and early autumn with hibiscus-like, 4-8 cm wide flowers, pale pink, fading to white. Stamens are arranged in a single, central column, typical for members of the Malvaceae (mallow family). Flowers are followed by furry seed capsules, filled with tiny hairs which are like fiber-glass splinters and cause itching and skin inflammation. Lagunaria patersonii 'Royal Purple' has crimson flowers.

Prefers a sunny position in well-draining soil. Does not like wet feet. Not suitable for heavy clay soils. Can handle considerable drought and copes well in poor soils. Ideal for coastal gardens and windy locations. Tolerates light frosts. 

Versatile plant for flower display during late summer. Suitable for screening and hedging purposes. Tends to have branches and foliage all the way along the stem from ground level, but can be grown as a clear-stemmed specimen by regularly removing new growth from the main trunk. The canopy is relatively narrow, so even though Lagunaria patersonii can grow quite tall, it is suitable for smaller spaces. Plant this tree in areas where the seed pods cannot pose problems (i.e. away from pools and public spaces, in particular those frequented by children). 

laurus-nobilis-standard

Laurus nobilis

bay laurel, bay tree, sweet bay, true laurel

Evergreen broadly conical tree or large shrub from the Mediterranean region. Glossy, leathery leaves, highly aromatic when crushed and useful in cooking. Small, star-shaped yellowish flowers in spring, followed on female plants by green egg-shaped fruits that ripen to purplish black in autumn.

Prefers a sunny or part-shady position in well-drained soil. Leaves are darker green when grown in the shade. Remove any suckers that may be formed at the base of the plant. Hardy to -12oC. 

Laurus nobilis lends itself perfectly for clipping and shaping. It is a popular hedge and topiary plant. You can create your own topiary specimen by selecting a plant with a good, straight central leader (as opposed to a bushy plant that has its tip removed to encourage branching).  Gradually remove side branches that are forming too low on the main stem, untill the plant has reached the height from which you wish the canopy to be formed. Now allow the side branches to grow, and, once or twice a year, trim the canopy to a ball-shape or any other shape that takes your fancy.

lavandula-dentata

Lavandula dentata

toothed lavender, French lavender, fringed lavender

Strongly aromatic evergreen shrub, woody at the base, with upright branches, grey-green leaves and lilac flowers for most of the year. Native to the Mediterranean region, the Cape Verde Islands and Madeira. Leaves are sticky, linear, 3-4 cm long, 0.5 cm wide. Easy to distinguish from other lavender species by the bluntly toothed leaf margins. Flowers are arranged in tight spikes, topped with pale purple bracts, to about 5 cm long on stems held above the foliage. Attracts bees and butterflies. Lavandula dentata does not have the typical lavender fragrance. Its smell is more aromatic than "flowery", rather like a blend of rosemary and lavender scents. 

Prefers a hot and sunny position in well-drained neutral to alkaline soil, not too fertile, but adapts well to a range of situations. It is tougher and less fussy in terms of growing conditions than most other lavender species. Susceptible to root rot in poorly drained soils. Very drought-tolerant once established. Tolerates light to medium frosts (to about -7oC). Prune after flowering to keep compact and remove spent flowers.

Mainly grown for its silvery grey foliage and subtle flowers. Suitable for topiary and hedging purposes. May also be grown in containers. Excellent choice for coastal gardens and for hot and dry areas.