Osmanthus × burkwoodii

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Osmanthus × burkwoodii
Light:Full Sun Part Shade
Moisture:Mesic
Hardiness:6
Soil pH:5.6-8.4
Evergreen
Height:10'
Width:10'
Speed:Slow
Blooms:Mid Spring
Open Woods Forest
Tea:Yes
Poisonous

Osmanthus × burkwoodii

Propagation: Seed - best sown as soon as it is ripe in a coldframe[1]. Stored seed probably germinates best if it is given 3 months warm then 3 months cold stratification before sowing[2]. The seed usually takes 6 - 18 months to germinate, it should be pricked out into individual pots when it is large enough to handle. Grow the plants on for their first winter in the greenhouse and plant them out in early summer. This species is a hybrid and will not breed true from seed.

Cuttings of half-ripe wood taken at the end of July, in a frame with bottom heat[3].

Cuttings of almost ripe wood, 7 - 12cm with a heel, September/October in a cold frame. A good percentage. Plant out in the spring 18 months later[4].

Layering in spring[1] or autumn[4]. Partially sever the layer leads in the following late summer and plant out in the autumn. High percentage[4].

Cultivation: Prefers a good loamy soil[5], but succeeds in any soil, including shallow chalk, in sun or part shade[3][6][7]. Dislikes unduly exposed conditions but succeeds in windier conditions than most other members of this genus[1].

Hardy to about -20°c[6].

A very ornamental plant[5], the flowers are deliciously scented. If plants are clipped after flowering they will flower more freely each year[1].

Rather slow growing according to one report[3], whilst another says that plants are very free growing once they are established[8].

Range: A hybrid of garden origin, O. decorus x O. delavayi.

Habitat: Not known in the wild.

Usage: A good plant for a large hedge or screen[9][8]. It responds well to pruning, though any trimming is best carried out in mid-summer[10].

Soil: Can grow in light, medium, and heavy soils.

In Leaf: Evergreen

Flower Type: Hermaphrodite

Also Known As: Osmorea burkwoodii.

Links

References

  1. 1.0 1.1 1.2 1.3 Huxley, Anthony. The New Royal Horticultural Society Dictionary of Gardening. MacMillan Press, 1992.
  2. Dirr, Michael and Charles Heuser. The Reference Manual of Woody Plant Propagation. Athens Ga. Varsity Press, 1987.
  3. 3.0 3.1 3.2 Bean, William. Trees and Shrubs Hardy in Great Britain. Murray, 1981.
  4. 4.0 4.1 4.2 Sheat, Wilfrid. Propagation of Trees, Shrubs and Conifers. St Martin, 1948.
  5. 5.0 5.1 Chittendon, Fred. RHS Dictionary of Plants. Oxford University Press, 1951.
  6. 6.0 6.1 Phillips, Roger and Martyn Rix. Shrubs. Pan Books, 1989.
  7. Davis, Brian. Climbers and Wall Shrubs. Viking, 1990.
  8. 8.0 8.1 Thomas, Graham. Ornamental Shrubs, Climbers and Bamboos. Murray, 1992.
  9. Shepherd, F. W.. Hedges and Screens. Royal Horticultural Society, 1974.
  10. Brickell, Christopher. The RHS Gardener's Encyclopedia of Plants and Flowers. Dorling Kindersley Publishers, 1990.