Spiny rest-harrow (Ononis spinosa)

Spiny rest-harrow

Spiny rest-harrow (Ononis spinosa) is a Eurasian perennial. Portions of the spiny rest-harrow plant were key ingredients in the creation of Bulat steel, which was used by the Mongol armies in what is now Russia and Mongolia. The exact formula of this steel has unfortunately been lost.

Scientific classification

Species

Spiny rest-harrow (Ononis spinosa)

Legumes, milkworts and allies

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Perennial

Lifespan

Shrub

Plant Type

Mid summer, Late summer, Early fall

Bloom Time

1 cm to 1.2 cm

Flower Size

Pink, White, Purple

Flower Color

Deciduous

Leaf type

5 - 35 ℃

Ideal Temperature

Images of Spiny rest-harrow

Distribution of Spiny rest-harrow

Distribution Map

Spiny rest-harrow is traditionally native to temperate regions across Europe and western Asia, thriving in well-drained, open landscapes. The plant has broadened its habitat range, being introduced to countries in Oceania and Northern Europe. These introductions amplify spiny rest-harrow's presence outside its historical range and indicate its adaptability to new environments.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Chalk and limestone grassland, stony hillsides, open pine forests, dry stony ground

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Spiny rest-harrow

Every 2-3 weeks

Water

Full sun

Sunlight

5 - 35 ℃

Ideal Temperature

Water: Spiny rest-harrow is well-suited for arid environments, showing exceptional drought tolerance. It requires watering every 2-3 weeks, allowing soil to dry between sessions. Often grown outdoors, spiny rest-harrow thrives with natural rainfall, making it suitable for xeriscaping in diverse climates.

Fertilize: To ensure optimal growth, spiny rest-harrow should be fertilized with balanced nutrition every 6-8 weeks during the growing season. Reduce feeding in cooler months, always water before applying fertilizer, and adjust based on plant response. Use gloves and avoid overapplication to prevent damage.

Pruning: Spiny rest-harrow is a hardy perennial that benefits from early spring pruning to promote growth and maintain shape. Trim dead branches and thin out crowded areas for better air circulation. Regular pruning prevents legginess and encourages denser branching for a healthier appearance.

Propagation: Renowned for its resilience, spiny rest-harrow is best propagated through division. Gently divide the root systems to create new plants, ensuring minimal root damage for successful growth. This method fosters a high success rate and preserves the genetic consistency of spiny rest-harrow.

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Images of Spiny rest-harrow

Distribution of Spiny rest-harrow

Care Guide for Spiny rest-harrow

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