Gaultheria nummularioides

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Gaultheria nummularioides
Light:Full Sun Part Shade
Moisture:Mesic
Hardiness:9
Soil pH:5.6-7.3
Evergreen Self Pollinated
Height:0.3'
Width:2'
Blooms:Mid Summer-Late Summer
Open Woods Forest
Native to:
Edible Rating:PFAF Edibility RatingPFAF Edibility Rating
Tea:Yes
Poisonous

Gaultheria nummularioides

Propagation: The seed requires a period of cold stratification. Pre-chill for 4 - 10 weeks and surface sow in a lime-free compost in a shady part of the greenhouse and keep moist[1]. The seed usually germinates well, usually within 1 - 2 months at 20°c, but the seedlings are liable to damp off. Watering them with care and making sure they get ample ventilation will reduce this risk. Watering them with a garlic infusion can help to prevent damping off[K]. Prick out the seedlings into individual pots when they are about 25mm tall and grow them on in light shade in the greenhouse for at least their first winter[K]. Plant them out in late spring or early summer. The seedlings are susceptible to spring frosts and so it might be wise to give them some protection in their first spring or two outdoors..

Cuttings of half-ripe wood 3 - 6cm long, July/August in a frame in a shady position. They form roots in late summer or spring[1]. A good percentage usually take.

Division in spring just before new growth begins. 'Drop' the plants 12 months earlier by digging them up and replanting them deeper in the soil so that the branches are buried and can form roots. This works best in a sandy soil[1]. It is best to pot up the divisions and grow them on in a lightly shaded position in the greenhouse until they are established. Plant them out in the summer.

Layering in September/October. Takes 12 months[1].

Cultivation: Prefers a moist but not boggy humus rich soil in shade or semi-shade[2]. A peat and moisture loving species, it requires a lime-free soil[2] and a sheltered position[3].

This species only tolerates light and short-lived frosts, so it is not very hardy in Britain. It can, however, be grown outdoors in the milder areas of the country[4]. This species does not often fruit well in Britain[5]. Our single plant flowered freely when less than 3 years old from seed, producing quite a few fruits[K].

The bruised leaves have a distinct cedar-like aroma[6]. The flowers are also aromatic[6].

Plants in this genus are notably resistant to honey fungus[4].

Range: E. Asia - Himalayas from Himachel Pradesh to southwestern China and Burma.

Habitat: Evergreen Pinus, Tsuga, Picea, or Abies forests, often on rocks and banks, rarely on trees at elevations of 1000 - 2000, occasionally to 4000 metres[7][8].

Edibility: Fruit - raw or cooked[9]. A watery flavour[10]. The fruit is quite tasty raw, but it is small and rather fiddly to harvest[K]. The fruit is about 8mm in diameter[4].

Usage: A good ground cover plant for shady positions[11]. A carpeting plant that roots as it spreads, it should be spaced about 60cm apart each way[11].

Pollinators: Insects

Soil: Can grow in light and medium soils.

In Leaf: Evergreen

Seed Ripens: Early Winter-Early Spring

Flower Type: Hermaphrodite

Also Known As: G. nummularia. G. repens.

Links

References

  1. 1.0 1.1 1.2 1.3 Sheat, Wilfrid. Propagation of Trees, Shrubs and Conifers. St Martin, 1948.
  2. 2.0 2.1 Thomas, Graham. Ornamental Shrubs, Climbers and Bamboos. Murray, 1992.
  3. Bean, William. Trees and Shrubs Hardy in Great Britain. Murray, 1981.
  4. 4.0 4.1 4.2 Huxley, Anthony. The New Royal Horticultural Society Dictionary of Gardening. MacMillan Press, 1992.
  5. Brickell, Christopher. The RHS Gardener's Encyclopedia of Plants and Flowers. Dorling Kindersley Publishers, 1990.
  6. 6.0 6.1 Genders, Roy. Scented Flora of the World. Robert Hale, 1994.
  7. Polunin, Oleg and Adam Stainton. Flowers of the Himalayas. Oxford Universtiy Press, 1984.
  8. Flora of China. 1994.
  9. Kunkel, Günther. Plants for Human Consumption. Koeltz Scientific Books, 1984.
  10. Manandhar, Narayan. Plants and People of Nepal. Timber Press, 2002.
  11. 11.0 11.1 Thomas, Graham. Plants for Ground Cover. Everyman, 1990.