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Cladrastis lutea - (F.Michx.)K.Koch.

Common Name Yellow Wood, Virgilia, American Yellow Wood
Family Fabaceae or Leguminosae
USDA hardiness 4-8
Known Hazards None known
Habitats Woods in rich well-drained limestone soils, in river valleys, slopes, ridges and the borders of streams[229].
Range South-eastern N. America - Appalachian mountains, mainly in North Carolina and Tennessee.
Edibility Rating    (0 of 5)
Other Uses    (3 of 5)
Weed Potential No
Medicinal Rating    (0 of 5)
Care (info)
Fully Hardy Moist Soil Full sun
Cladrastis lutea Yellow Wood, Virgilia, American Yellow Wood


http://commons.wikimedia.org/wiki/User:Jaknouse
Cladrastis lutea Yellow Wood, Virgilia, American Yellow Wood
http://flickr.com/photos/13426637%40N00/

 

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Summary

Bloom Color: White. Main Bloom Time: Early summer, Late summer, Mid summer. Form: Rounded, Vase.


Physical Characteristics

 icon of manicon of lolypop
Cladrastis lutea is a deciduous Tree growing to 15 m (49ft) by 8 m (26ft) at a slow rate.
See above for USDA hardiness. It is hardy to UK zone 3 and is not frost tender. It is in flower in June, and the seeds ripen in September. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects.
It can fix Nitrogen.
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 and can grow in very alkaline soils.
It cannot grow in the shade. It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

C. tinctoria. Virgilia lutea.

Plant Habitats

Woodland Garden Canopy;

Edible Uses

None known

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

Dye  Fuel  Wood

The tree is deep-rooting, allowing many other plants to succeed beneath its crown[352]. A clear yellow dye is obtained from the heartwood[46, 61, 82]. Wood - is relatively heavy, very hard, strong, close-grained, durable and takes a beautiful polish[11, 46, 61, 82, 229]. It weighs 39lb per cubic foot[235] and is a good fuel[82].

Special Uses

Nitrogen Fixer  Scented Plants

References   More on Other Uses

Cultivation details

Landscape Uses:Pest tolerant, Aggressive surface roots possible, Specimen, Street tree. Prefers a rich well-drained loamy soil in a very sunny position[11, 200]. Tolerates slightly acid to very alkaline soils[200]. A very ornamental plant[1], when dormant it is hardy to -30°c or lower[200]. However, plants can be excited into early spring growth in the mild climate of Britain and that growth is very susceptible to frost damage[200]. A slow-growing but moderately long-lived tree in the wild[229]. The branches are brittle and can be broken off in strong winds[188, 200]. The plants contain a copious watery sap and can bleed profusely if they are pruned in winter or spring[82, 200]. Any pruning is best done in late summer[200]. This species often only flowers in alternate years in the wild[82]. The flowers are produced most freely after a long hot summer[200]. The flowers have a soft scent of vanilla[245]. This species has a symbiotic relationship with certain soil bacteria, these bacteria form nodules on the roots and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby[200]. Special Features:North American native, Fragrant flowers, Blooms are very showy.

References   Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

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Plant Propagation

Seed - can be sown as soon as it is ripe in a cold frame[78]. Stored seed should be pre-soaked for 24 hours in warm water and then sown in a greenhouse in late winter[78, 164, 200]. Three months cold stratification at 5°c can reduce the germination time[200]. Germination usually takes place within 1 - 3 months at 10°c[164]. When large enough to handle, prick the seedlings out into individual pots and grow them on in the cold frame for at least their first winter. Plant them out in late spring or early summer after the last expected frosts. Root cuttings, 5 - 7cm long, December in a greenhouse. Good percentage[78].

Other Names

If available other names are mentioned here

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 :

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther

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

(F.Michx.)K.Koch.

Botanical References

1143200

Links / References

For a list of references used on this page please go here

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