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Summary
Bloom Color: Yellow. Main Bloom Time: Early summer, Late summer, Mid summer. Form: Rounded, Vase.
Physical Characteristics
Koelreuteria is a deciduous Tree growing to 10 m (32ft) by 10 m (32ft) at a fast rate.
See above for USDA hardiness. It is hardy to UK zone 6 and is not frost tender. It is in flower from July to August, and the seeds ripen from September to October. 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 can grow in nutritionally poor soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil. The plant can tolerates strong winds but not maritime exposure.
It can tolerate atmospheric pollution.
UK Hardiness Map
US Hardiness Map
Synonyms
Habitats
Edible Uses
Berries - roasted[2, 177]. Leaves and young shoots - cooked[2, 105, 177, 179].
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.
The flowers are ophthalmic[178, 218]. They are used in the treatment of conjunctivitis and epiphora[218].
References More on Medicinal Uses
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Other Uses
A yellow dye is obtained from the flowers.[46, 61, 178]. A black dye is obtained from the leaves[178]. The seeds are used as beads in necklaces etc[46, 61, 178].
Special Uses
References More on Other Uses
Cultivation details
Landscape Uses:Pest tolerant, Specimen. Succeeds in any good loamy soil[1, 11] and in dry soils. Prefers a sunny sheltered position[1, 11]. A wind resistant plant, but it does not like salt-laden winds[200]. Tolerates atmospheric pollution[200]. This species is hardy to about -10°c when fully dormant[200], though the young growth in spring can be damaged by late frosts. Grows best in areas with long hot summers, it is fast growing in such conditions[200]. A short-lived tree[11]. A good bee plant[108]. Plants are susceptible to coral spot fungus, especially if the wood is not properly ripened due to insufficient summer heat[11]. This species is notably resistant to honey fungus[200]. Special Features:
Not North American native, Blooms are very showy.
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
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Propagation
The seed requires a period of cold stratification. It is probably best sown as soon as it is ripe in a cold frame[200]. Pre-soak stored seed for 24 hours in warm water. If it swells up then sow it in a cold frame. If it does not swell then soak it for a further 24 hours in hot water prior to sowing. This should cause the seed to swell but, should this fail, scarification (taking care not to damage the seed embryo) followed by a further 24 hours in warm water should do the trick[80]. Germination is usually good[78], though the seedlings are very variable[200]. 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. Consider giving the plants some protection from the cold for their first winter outdoors[78]. Root cuttings, 4cm taken in December. Plant horizontally in individual pots in a warm greenhouse[78].
Other Names
If available other names are mentioned here
Found In
Countries where the plant has been found are listed here if the information is available
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
Laxm.
Botanical References
11200
Links / References
For a list of references used on this page please go here
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