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Indigofera decora - Lindl.

Common Name Chinese indigo
Family Fabaceae or Leguminosae
USDA hardiness 5-7
Known Hazards None known
Habitats River banks and old stone walls in C. and S. Japan[58].
Range E. Asia - China, Japan.
Edibility Rating    (2 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (1 of 5)
Care
Fully Hardy Moist Soil Full sun
Indigofera decora Chinese indigo


http://commons.wikimedia.org/wiki/User:KENPEI
Indigofera decora Chinese indigo
http://commons.wikimedia.org/wiki/User:KENPEI

 

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Summary

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


Physical Characteristics

 icon of manicon of shrub
Indigofera decora is a deciduous Shrub growing to 1 m (3ft 3in) by 1 m (3ft 3in) at a medium rate.
It is hardy to zone (UK) 5 and is not frost tender. It is in flower from June to August. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects.
It can fix Nitrogen.
Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (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

I. incarnata. Hedysarum incanum. Thunb. 1784. - this does not relate to I. incanum. Hedysarum incarn

Habitats

 Cultivated Beds; South Wall. In. West Wall. In.

Edible Uses

Edible Parts: Seed
Edible Uses:

Seed - cooked[105, 177]. It can also be dried and ground into a powder then mixed with wheat flour or other cereals when making bread, cakes etc[179].

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.
Miscellany

A broth made from the leafy shoots is used in the treatment of cough, dyspepsia, haemorrhage and poisoning[218].

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Other Uses

Miscellany

None known

Special Uses

Food Forest  Nitrogen Fixer  Scented Plants

Cultivation details

Landscape Uses:Border, Foundation, Massing, Specimen. Requires a light or medium well-drained soil and a warm sunny position[11, 200, 260]. Succeeds on chalk[11]. Prefers growing in areas with warm summers[260]. Plants are hardy to about -10°c[260]. The top-growth is not very winter-hardy however, the stems are often cut back by cold weather but new shoots are produced in spring and these flower in late summer[182]. A very ornamental plant[1], it is closely related to I. fortunei[182]. The flowers, which are borne over a period of about 20 weeks, have a vanilla scent[245]. Plants in this genus are notably resistant to honey fungus[200]. 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:Not North American native, Attracts butterflies, Attractive flowers or blooms. The plant is heat tolerant in zones 9 through 7. (Plant Hardiness Zones show how well plants withstand cold winter temperatures. Plant Heat Zones show when plants would start suffering from the heat. The Plant Heat Zone map is based on the number of "heat days" experienced in a given area where the temperature climbs to over 86 degrees F (30°C). At this temperature, many plants begin to suffer physiological damage. Heat Zones range from 1 (no heat days) to 12 (210 or more heat days). For example Heat Zone. 11-1 indicates that the plant is heat tolerant in zones 11 through 1.) For polyculture design as well as the above-ground architecture (form - tree, shrub etc. and size shown above) information on the habit and root pattern is also useful and given here if available. The plant growth habit is multistemmed with multiple stems from the crown [1-2].

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Propagation

Pre-soak the seed for 12 hours in warm water and sow February in a warm greenhouse. The germination can be variable. Prick out the seedlings when large enough to handle and overwinter the young plants in a greenhouse for the first winter, planting out in late spring or early summer after the last expected frosts[78]. Cuttings of half-ripe wood, 5 - 8cm with a heel if possible, July/August in individual pots in a frame. Good percentage[78]. Overwinter the young plants in a greenhouse for the first winter and plant out in late spring or early summer[11]. Root cuttings 3cm long in December. Good percentage[78]. Suckers. Remove them in the dormant season, preferably towards the end of winter, and plant out into their permanent positions.

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 :

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Indigofera arrectaBengal Indigo, Java indigo, Natal indigoPerennial2.0 10-12 MLMHNM224
Indigofera cassioides Shrub3.5 8-11  LMNM11 
Indigofera hebepetala Shrub1.2 7-10  LMNM10 
Indigofera hendecaphyllaCreeping indigo, spicate indigo, trailing indigoShrub0.5 10-12 FLMHFSNDM004
Indigofera heteranthaIndigo BushShrub3.0 6-9  LMNDM10 
Indigofera kirilowiiKirilow's indigo, IndigoShrub1.5 5-7 MLMNM01 
Indigofera pseudotinctoriaIndigoShrub1.0 6-10 MLMNM10 
Indigofera suffruticosaAnil Indigo, Anil de pastoPerennial1.5 10-12 FLMHSNDM024
Indigofera tinctoriaIndigo, True Indigo, dye indigoShrub2.0 5-12 FLMHSNM224

 

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Expert comment

Author

Lindl.

Botanical References

1158200

Links / References

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Subject : Indigofera decora  
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