Chinese indigo
Indigofera decora
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Pl. E68A — Indigofera decora
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IOverview
Overview
Chinese indigo, scientifically known as Indigofera decora, is a deciduous shrub native to the south-central and southeast regions of China and Japan. This plant thrives in full sun and prefers moist, well-drained soil that is light (sandy) or medium in texture. It is hardy in zones 5-7 and grows to about 1 meter in height. Notably, Chinese indigo is both edible and ornamental, with its seeds being the part used for culinary purposes. Its distinctive feature lies in its attractive foliage and vibrant flowers, making it a valuable addition to gardens seeking both beauty and utility.
Quick answers
What is Chinese indigo?
Chinese indigo, scientifically known as Indigofera decora, is a deciduous shrub native to the south-central and southeast regions of China and Japan. This plant thrives in full sun and prefers moist, well-drained soil that is light (sandy) or medium in texture.
Growingconditions · propagation · uses
VCultivation
Cultivation
Chinese indigo thrives in full sun and prefers moist, light to medium soil. It is hardy in zones 5-7 and can grow up to 1 meter tall. For propagation, seeds are the recommended method. Ensure the plant has adequate moisture while it establishes itself. Given its native range in China South-Central, Southeast, and Japan, Chinese indigo adapts well to temperate regions with similar climates.
Light
Full sun
Water
Moist
Soil
Light (sandy), Medium
Hardiness
5-7
Mature size
1.0 m tall
For first-time growers
How to grow Chinese indigo for the first time
8steps
Chinese indigo is a low-maintenance plant that's perfect for beginners.
- 1
What you'll need
Seeds, planting pot or garden bed, gardening gloves.
- 2
Best time to plant
Plant in spring after the last frost, when temperatures are mild.
- 3
Soil and container prep
Use well-draining soil with a pH between 6.0 and 7.5; ensure containers have drainage holes.
- 4
Sowing or transplanting
Direct sow seeds in the garden or start them indoors 4-6 weeks before planting outside.
- 5
First two weeks
Water regularly to keep soil moist but not waterlogged. Monitor for pests and diseases.
- 6
Ongoing care
Provide full sun, regular watering, and occasional pruning to maintain shape.
- 7
Harvest or pruning
Prune in late winter to early spring to encourage new growth and maintain size.
- 8
Common mistakes
Overwatering, planting in heavy soil, neglecting to prune regularly.
VIEdible & utility
Edible & utility
Edible parts:Seed
Edible uses: The seeds of Chinese indigo are edible and can be consumed raw or cooked. They are often prepared by boiling to add flavor to dishes. Skip the detailed recipe as per instructions.
Other uses:Nitrogen fixerFragrance
Contextrange · companions · related
VIIDistribution
3 native · 4 introduced
Distribution
3 native · 4 introducedDistribution across1 continent· 3 native· 4 introduced
Asia3 regions
native (2)ChinaJapan
introduced (1)Sri Lanka
Broader regions
introduced:KwaZulu-Natal, New South Wales, Queensland
IXSpecimen gallery
1 image
Specimen gallery
1 imageXI
Explore further
Companion planting
Growing zone
XII
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Back to the cataloguePlant id · e68a28cc-7339-4dae-a73f-48a982114fd1
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