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Summary
Physical Characteristics
Knightia excelsa is an evergreen Tree growing to 20 m (65ft) by 4 m (13ft).
See above for USDA hardiness. It is hardy to UK zone 9 and is frost tender. It is in leaf all year, in flower from July to August. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees.
It is noted for attracting wildlife.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.
UK Hardiness Map
US Hardiness Map
Synonyms
Plant Habitats
Woodland Garden Canopy; Secondary; Sunny Edge; Dappled Shade;
Edible Uses
Edible Parts: Nectar
Edible Uses:
The flowers are very rich in nectar, this can be extracted and used as food. It contains about 45% sugars[173].
References More on Edible Uses
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
None known
References More on Medicinal Uses
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Other Uses
Wood
Wood - handsomely variegated. Highly valued for superior woodwork, inlay etc[1].
Special Uses
Attracts Wildlife
References More on Other Uses
Cultivation details
Succeeds in any well-drained fertile soil in sun or semi-shade[200]. Requires protection from cold and drying winds[200]. Plants tolerate very light and short-lived frosts, but they are best with a minimum winter temperature of about 3°c[200]. Another report says that trees are hardy in south Cornwall[1]. A very good bee plant[173].
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
Type a value in the Celsius field to convert the value to Fahrenheit:
Fahrenheit:
The PFAF Bookshop
Plants For A Future have a number of books available in paperback and digital form. Book titles include Edible Plants, Edible Perennials, Edible Trees,Edible Shrubs, Woodland Gardening, and Temperate Food Forest Plants. Our new book is Food Forest Plants For Hotter Conditions (Tropical and Sub-Tropical).
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Plant Propagation
Seed - sow spring in a warm greenhouse[188]. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for at least their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts.
Other Names
If available other names are mentioned here
Native Range
AUSTRALASIA: New Zealand (North Island, South Island)
Weed Potential
Right plant wrong place. We are currently updating this section.
Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.
Conservation Status
IUCN Red List of Threatened Plants Status :
Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
Expert comment
Author
R.Br.
Botanical References
44200
Links / References
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