Hymenosporum flavum

subsp. var.
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Standard Cyclopedia of Horticulture

Hymenosporum flavum, F. Muell. (Pittosporum flavum, Hook. f.). Shrub or tree, to 50 ft.: lvs. obovate, entire, to 9 in. long: fls. yellow, marked with red at the throat, fragrant, over 1 in. across: caps, compressed, 1 in. long and nearly as broad. B.M. 4799. R.H. 1913, p. 327. Alfred Rehder. The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.

Overview

Hymenosporum flavum finds its roots along the coastlines of Queensland and New South Wales of Australia. In its natural habitat, it can attain heights of up to 25 metres. However, when cultivated in domestic gardens, it generally restricts its growth to approximately 10 metres.

Floral Characteristics: During the early spring, this species blossoms, presenting flowers of a golden yellow hue, reminiscent of the frangipani. These flowers undergo a colour transition from cream to a deeper red as they mature, accompanied by a distinctive sweet aroma.

Cultivation

1. Light Conditions: Although Hymenosporum flavum predominantly favours direct sunlight, it demonstrates adaptability, flourishing even in semi-shaded or dappled light conditions. Nonetheless, reduced sunlight might result in diminished blooming.

2. Temperature and Climate Preferences: This species exhibits a predilection for warmer, humid conditions. Nevertheless, once it surpasses a height of 2 metres, it manifests moderate frost resistance. For juveniles in cooler climates, it is imperative to provide frost protection.

3. Soil Preferences: Hymenosporum flavum displays versatility concerning soil types. However, a loamy composition enriched with organic matter is optimal. It is essential that the soil possesses good drainage capabilities, though the species can also tolerate a degree of moisture.

4. Watering Recommendations: During the summer months, especially in areas with limited rainfall, supplementary watering becomes essential. The soil should maintain a consistent moisture level, without becoming saturated. Implementing a layer of mulch can aid in moisture retention.

5. Fertiliser Recommendations: An annual application of fertiliser in the spring season is recommended. A balanced fertiliser, especially one enriched with potassium, will promote floral proliferation.

6. Pruning Guidelines: Typically, pruning is not mandated, as the species boasts an aesthetically appealing natural structure. However, if reshaping or size management becomes necessary, pruning can be undertaken.

Pests and diseases

Under certain conditions, you might find Hymenosporum flavum infested with scale insects. These will usually appear as small dark bumps or white cottony specks on the stems and sometimes, the foliage.

Gallery

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References

• Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963

External links

• w:Hymenosporum flavum. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
• Hymenosporum flavum QR Code (Size 50, 100, 200, 500)
• Ultimate Backyard