Spiny bear's breech (Acanthus spinosus)

Spiny bear's breech

Also known as: Spiny acanthus

Spiny bear's breech is considered a highly architectural plant, with its tall tower of hooded white flowers and spiky leaves. Spiny bear's breech is frequently planted in beds, borders, and gardens and commonly features in flower displays. The acanthus leaf look is often replicated in architectural and furniture design.

Scientific classification

Species

Spiny bear's breech (Acanthus spinosus)

Mints plantains olives and allies

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Perennial, Annual

Lifespan

Herb

Plant Type

Spring, Summer

Bloom Time

91 cm to 1.2 m

Plant Height

90 cm to 1.2 m

Spread

White, Purple, Pink, Red, Violet, Mauve

Flower Color

Winter dormancy

Dormancy

Deciduous

Leaf type

20 - 35 ℃

Ideal Temperature

Spring, Summer

Growth Season

Images of Spiny bear's breech

Distribution of Spiny bear's breech

Distribution Map

The plant spiny bear's breech, natively found in Southern Europe and the Eastern Mediterranean region, thrives in its original habitat. Its growth extends to Northwest Europe and North Africa through naturalization and cultivation, revealing its ability to adapt beyond its indigenous range. Spiny bear's breech is recognized not only for its presence in native landscapes but also its seamless integration into non-native gardens and environments.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Woodland margins, scrub

Quickly Identify Spiny bear's breech

Deeply lobed, shiny green leaves with sharp spines along margins.

Tall, erect floral spires with hooded white or purplish flowers in bracts.

Leaves reaching up to 3 feet (90 cm) in length, glossy and thistle-like.

Distinctive vein pattern on leaves contributing to textured appearance.

Showy white snapdragon-like blooms with spiny bracts in pink, mauve, and red.

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Care Guide for Spiny bear's breech

Every week

Water

Full sun

Sunlight

20 - 35 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Spiny bear's breech, native to Mediterranean woodlands, thrives in drought-prone areas and prefers drier conditions. It requires soil to dry out between waterings, ideally once a week. Its deep roots enhance resilience in sporadic rainfall, making it suitable for outdoor growth due to its size and spiky foliage.

Fertilize: Spiny bear's breech thrives with balanced fertilizers during spring to early summer, and high phosphorus varieties before flowering. Monthly application, diluted to half-strength, prevents over-fertilization. Reduce frequency in fall and winter, and ensure thorough watering post-fertilization to distribute nutrients and protect roots.

Pruning: Spiny bear's breech thrives with early to late spring pruning, which involves cutting back old flower stalks and damaged leaves. This encourages new growth, stronger stems, and vibrant blooms. Regular maintenance prevents overcrowding, enhances vitality, and ensures clean tools to avoid infections.

Propagation: Spiny bear's breech is a perennial with vivid foliage and spiky flowers. To propagate, take cuttings from healthy plants, ensuring one leaf node is buried in well-draining soil. Maintain moisture without overwatering and provide indirect light for optimal growth.

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