Plant Guide

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Items starting with M

melia-azedarach

Melia azedarach

Persian lilac, Indian lilac, Cape lilac, bead tree, chinaberry tree, syringa berrytree, white cedar, Ceylon cedar, Texas umbrella, umbrella tree

Deciduous tree with a rounded canopy and glossy foliage, native to northern and eastern parts of Australia, and South East Asia. Belongs to the Mahogany family (Meliaceae). Leaves are 2-3 times odd-pinnately compound, to 50 cm long, and consist of 3-8 cm long leaflets with entire or lobed and/or toothed margins. Foliage is mid green, turning yellow in autumn. Small, pale purple to mauve and white, fragrant flowers in loose panicles during spring after the new leaves have emerged. Flowers are followed in autumn by 1.5 cm wide bead-like fruit, smooth and green initially, wrinkled and yellow when mature, remaining on the tree for a long time during winter. Has become invasive in some parts of the world. Poisonous fruits and foliage.

Synonyms (among many others): Melia australis, Melia japonica, Melia sempervirens.

Prefers a sunny position in well-draining soil. Copes well with partial shade. Adaptable to a wide range of conditions, but sensitive to waterlogged soils. Can handle considerable drought. Prune for shape to encourage a good branching structure. Suitable for coastal areas. Melia azedarach has a shallow root system and is best planted at some distance from hard surfaces. Tolerates moderate frosts (zones 8-12).

Attractive shade or specimen tree with graceful foliage, perfumed spring flowers, and a lovely display of yellow fruit in winter. When in flower, the canopy has a beautiful soft, smokey mauve appearance. Also suitable for erosion control and timber production.

metrosideros-carminea

Metrosideros carminea

akakura, carmine rata, crimson rata

Evergreen climber, endemic to New Zealand, but only occasionally found in its natural habitat of coastal and lowland forests in the northern half of the North Island. Climbs by adhering to tree trunks and other rough surfaces with aerial, adventitious roots. When the juvenile plant eventually reaches the light, it gradually transforms into the shrubby, non-climbing, flowering, adult form. Cuttings from an adult plant will result in a small spreading shrub rather than a climber. Shaded parts of an adult shrub may produce juvenile climbing or creeping stems. Glossy, dark green, rounded leaves, 1-2 cm long on juvenile plants and 2-4 cm long on adult plants. Bright crimson flowers in dense clusters from mid winter to mid spring.

Synonym: Metrosideros diffusa

Prefers a position in well-draining soil. If you intend to use Metrosideros carminea as a climber, then find a spot in the shade, preferably where it can grow towards the light. If you want to grow it as a shrub, then a sunny position is best. Suitable for coastal gardens. Once established, the crimson rata tolerates drought, and light to moderate frosts (USDA zones 8-11). The adult form copes well with exposed, windy conditions. Generally trouble free.

Very tough, but slow growing plant. Spectacular when in flower. Worth the wait!

metrosideros-excelsa

Metrosideros excelsa

pohutukawa, New Zealand pohutukawa, New Zealand Christmas tree

Evergreen, usually multi-stemmed tree, often developing a spreading canopy, endemic to New Zealand. Occurs mainly in coastal regions of the northern part of the North Island. Leaves of mature trees are covered with a fine tomentum, lightly on the upper surface and densely on the lower surface, giving the foliage a grey-green appearance. Leaves are elliptic to oblong, to 10 cm long and 5 cm wide, arranged in pairs. Bright red flowers begin to appear in November, and continue to open during December and January (New Zealand summer). Individual trees may vary in flowering time, and in flower colour shade and intensity. Flowers attract nectar-feeding birds. Grey, deeply furrowed bark. Metrosideros excelsa trees often develop clusters of aerial roots from the trunk and the lower branches, some of which may reach the ground.

Prefers a position in full sun and well-draining soil. Does not like wet feet. Very wind-tolerant. Good for coastal areas with poor soils. Tolerates dry conditions. Copes well with moderate frosts once established, but is frost tender when young. No major pests and diseases. Root system can become invasive, so it is best not to plant Metrosideros excelsa close to buildings or near drainage systems. Use drought-tolerant plants for under-planting.

Magnificent tree, smothered with flowers around Christmas time in the Southern Hemisphere. Use as a specimen tree in large gardens. If you have insufficient space, select one of the smaller growing selections, such as 'Scarlet Pimpernel' or 'Vibrance'.

michelia-doltsopa-silver-cloud

Michelia doltsopa 'Silver Cloud'

Small to medium, mostly evergreen tree with pyramidal canopy, long leathery leaves and masses of scented flowers in late winter and spring.  Dark green leaves, paler beneath, up to about 17 cm long. Leaves tend to hang. Floppy, multi-petalled creamy white magnolia-like flowers emerge from bronzy-brown, furry buds. In colder areas, Michelia doltsopa 'Silver Cloud' behaves like a semi-evergreen.

'Silver Cloud' was originally selected by Duncan and Davies in New Zealand. It has a smaller and neater growth habit than the parent species and flowers from a younger age (after 2-3 years). Michelia doltsopa itself originates from western China and eastern Himalayas.

Prefers a sheltered position in full sun and slightly acidic, well-draining soil. Keep roots cool and moist in summer. Requires little maintenance other than gradually removing the lower branches to lift the crown, and maybe some shaping of the canopy. Flowers may get damaged by frost.

muehlenbeckia-astonii

Muehlenbeckia astonii

Fine, dark, densely interlaced branches. The minute round to heart-shaped green leaves fall in winter in colder climates, giving the shrub a brown to purple colour. Small white flowers, followed by tiny, translucent white fruits with black seeds inside. Occurs naturally in coastal areas in the south of the North Island of New Zealand and the north-east of the South Island.

Forms a great contrast with larger-leafed shrubs such as Griselinia littoralis or with flaxes and grasses or grass-like plants such as Chionochloa flavicans.

Muehlenbeckia astonii prefers dry conditions, but will cope with wet soils as long as the plant has a cool root run. Can be pruned to shape. Hardy to -12oC.

muscari-armeniacum

Muscari armeniacum

grape hyacinth, Armenian grape hyacinth

Small, perennial, early spring-flowering bulb to about 20 cm tall. Slightly fragrant blue, purple or white flowers in dense 5 cm long spikes, resembling clusters of upside-down grapes. Narrow, linear leaves appear in autumn and die down in summer after which they can be removed. Reproduces by offsets from the main bulb and seed dispersal.

Occurs naturally in forests and meadows of Eastern Mediterranean regions.

Prefers full sun or partial shade and well drained soil. Generally trouble-free, but susceptible to root rot in wet sites. Divide large clumps in summer.

Looks great when planted in groups.

myosotidium-hortensia

Myosotidium hortensia

Chatham Island forget-me-not

Evergreen perennial with large heart- or kidney-shaped leaves, deeply veined, 15 to 30 cm wide. Large heads, 10 to 15 cm wide, of sky blue flowers with white centers in spring. Native to the Chatham Islands.

Ideal for shady areas. Tolerates full sun as long as the root system is kept cool. Requires fertile, well-draining soil. Susceptible to fungal diseases, in particular in moist sites. Needs protection from slugs and snails. Hardy to -12oC.

Combine wiith fine-leafed plants, such as ferns and grasses.