Coprosma billardieri

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Coprosma billardieri
Light:Full Sun Part Shade
Moisture:Mesic
Hardiness:9
Soil pH:5.6-7.3
Evergreen Cross Pollinated
Height:10'
Native to:
Edible Rating:PFAF Edibility Rating
Tea:Yes
Poisonous

Coprosma billardieri (common name: native currant)

Propagation: Seed - probably best sown as soon as it is ripe in a greenhouse or cold frame[K]. Sow stored seed in spring in a cold frame[1]. Germination can be slow, often taking more than 12 months even when fresh seed is used[K]. When the seedlings are large enough to handle, prick them out into individual pots. Grow on the plants for at least their first winter in a greenhouse and plant out in late spring or early summer. Give the plants some protection from the cold for their first winter outdoors[K].

Cuttings of mature wood of the current year's growth, autumn in a frame.

Cultivation: Requires a moist, very well-drained neutral to slightly acid soil in full sun or light shade[1]. Succeeds in most soils[2].

Somewhat intolerant of frost, this species is only likely to succeed outdoors in the mildest areas of Britain[1]. Plants are hardy to at least -7°c in Australian gardens[3] though this does not translate directly to British gardens due to our cooler summers and longer, colder and wetter winters.

Hybridizes freely with other members of this genus[1][2].

Plants are tolerant of heavy clipping or pruning[2].

Plants are normally dioecious, though in some species the plants produce a few flowers of the opposite sex before the main flowering and a few hermaphrodite flowers are sometimes produced[2]. Male and female plants must usually be grown if seed is required.

Range: Australia - New South Wales, Tasmania, Victoria.

Habitat: Shady mountain gullies in moister forests to the montane zone[3].

Edibility: Fruit - raw or cooked. Sweet and juicy[4][3][5], but with little flavour[2]. The red fruit is about 7mm in diameter[1][2].

The roasted seed is an excellent coffee substitute[6].

Usage: A yellow dye is obtained from the wood, it does not require a mordant[6].

Pollinators: Wind

Soil: Can grow in light and medium soils.

Drainage: Prefers well drained soil.

In Leaf: Evergreen

Flower Type: Dioecious

Also Known As: C. quadrifida. (Labill.)Robinson.

Links

References

  1. 1.0 1.1 1.2 1.3 1.4 Huxley, Anthony. The New Royal Horticultural Society Dictionary of Gardening. MacMillan Press, 1992.
  2. 2.0 2.1 2.2 2.3 2.4 2.5 Knees, Sabina. The New Plantsman Volume 2. Royal Horticultural Society, 1995.
  3. 3.0 3.1 3.2 Wrigley, John and Murray Fagg. Australian Native Plants. Collins, 1988.
  4. Cribb, Alan and Joan Cribb. Wild Food in Australia. Fontana, 1976.
  5. Crowe, Andrew. Native Edible Plants of New Zealand. Hodder and Stoughton, 1990.
  6. 6.0 6.1 Brooker, Stanley. Economic Native Plants of New Zealand. Oxford University Press, 1991.