Siberian Pea Shrub
Caragana arborescens
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Description
The Siberian Pea Shrub is a deciduous shrub native to Siberia, China, and Mongolia, thriving in temperate regions. It plays a crucial role in agroecology as a nitrogen-fixing plant, enhancing soil fertility and supporting surrounding plant growth. This shrub can reach up to 6 meters in height and is characterized by its bright yellow flowers that bloom from late spring to early summer. It is particularly valued for its resilience in poor soils and drought conditions, making it ideal for challenging environments. In a food forest, it serves as a shrub layer, providing habitat and food for beneficial insects and birds. It is often planted in guilds with fruit trees and berry bushes, where it acts as a windbreak and erosion control plant. Historically, it has been used in traditional farming systems for its soil-improving properties and as a protein-rich food source for both humans and livestock. The plant is also known for its ability to attract pollinators and beneficial insects, contributing to a balanced ecosystem.
Growing Details
Siberian Pea Shrub is easy to grow from seed. It thrives in full sun and well-drained soil but is tolerant of poor soil conditions. Before planting, prepare the soil by incorporating organic matter such as compost to improve drainage and fertility. It can be direct sown outdoors after the last frost or started indoors and transplanted. Regular pruning can help maintain its shape and encourage denser growth. Companion plants include fruit trees, berry bushes, and other nitrogen-demanding plants.
Tags
Nitrogen Fixing
Hedge
Carbon Farming
Attracts Wildlife
Windbreak
Erosion Preventing
Bee Friendly
Visual Appeal
Easy Propagating
High Protein
Range (Based on GBIF Data)
The map shows known occurrence points of <strong>Caragana arborescens</strong> recorded in scientific biodiversity databases.
Source: <a href="https://www.gbif.org" target="_blank">GBIF.org</a> โ Global Biodiversity Information Facility
Location & Timing
native geo location: Native to Siberia, China, and Mongolia
applicable geo region: Temperate regions
language used: en
Flowering:
beginning
of May for 30 days
Harvest:
middle
of July for 30 days
Seed Start:
beginning
of March
Indoor Start:
beginning
of March
Transplant:
middle
of May
Uses & Benefits
Edible Rating:
(3/5)
edible uses: The seeds of the Siberian Pea Shrub are edible and can be used in soups, stews, or ground into flour. They are high in protein, containing around 12-36% protein, and can be a valuable food source in sustainable agriculture systems. However, they should be cooked to neutralize any anti-nutritional factors such as trypsin inhibitors. The seeds are typically harvested in late summer when the pods begin to dry and turn brown.
Medicinal Rating:
(1/5)
medicinal uses: Traditionally, parts of the plant have been used in herbal medicine to treat various ailments, although scientific evidence is limited. The bark and leaves have been used in poultices for their purported anti-inflammatory properties. Caution is advised due to potential anti-nutritional factors in seeds. Always consult with a healthcare provider before using it medicinally.
health concerns: The seeds should be consumed in moderation as they may contain anti-nutritional factors such as trypsin inhibitors. Cooking the seeds can help reduce these compounds.
other uses: The plant can be used for mulch, as a windbreak, and for erosion control. It is also valued for its ability to improve soil fertility through nitrogen fixation. Its dense foliage provides excellent habitat for wildlife.
Scientific Literature
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Botanical data
specie: Caragana arborescens
common names: Siberian Pea Tree; Siberian Peashrub; Carag
family: Fabaceae
sub family: Faboideae
tribe: Hedysareae
sub tribe:
genus: Caragana
Growing Conditions
area needed: 4.0 m
spacing: 2.0 m
growing difficulty: Low
Deciduous / Evergreen: Evergreen
Seed Temp (Opt/Min/Max): 20ยฐC / 15ยฐC / 25ยฐC
Plant Temp (Opt/Min/Max): 18ยฐC / -40ยฐC / 30ยฐC
water demands: Low
humidity:
light demands: High
root type: Medium
frost tender: Low
hardness:
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(3/10)
first harvest: 3 years
life span: 50 years
succession: Pioneer
growth rate: Fast
max height: 6.0 m
max width: 4.0 m
soil preference:
Medium (Loam)
pH preference:
Neutral
flower type:
Hermaphrodite
growth details: Siberian Pea Shrub is easy to grow from seed. It thrives in full sun and well-drained soil but is tolerant of poor soil conditions. Before planting, prepare the soil by incorporating organic matter such as compost to improve drainage and fertility. It can be direct sown outdoors after the last frost or started indoors and transplanted. Regular pruning can help maintain its shape and encourage denser growth. Companion plants include fruit trees, berry bushes, and other nitrogen-demanding plants.
Potential Disturbances: Siberian Pea Shrub is generally resilient but can occasionally face pressures from aphids and caterpillars. Encouraging natural predators like ladybugs and parasitic wasps can help manage these challenges.
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