Grey asparagus (Asparagus horridus)

Grey asparagus

The key feature of grey asparagus (Asparagus horridus) is right in its Latin name: "horridus" means prickly or rough, referring to the pervasive spiny leaves that cover the plant. The pale green of the leaves differentiates it from other asparagus species. Grey asparagus somewhat softens its appearance with creamy yellow flowers in the spring.

Scientific classification

Species

Grey asparagus (Asparagus horridus)

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Perennial

Lifespan

Shrub

Plant Type

Yellow, Green

Flower Color

Semi-evergreen

Leaf type

20 - 35 ℃

Ideal Temperature

Images of Grey asparagus

Distribution of Grey asparagus

Distribution Map

Grey asparagus is native to the Mediterranean region and parts of Northern Africa, thriving particularly in semi-arid to temperate zones. It has been introduced and has established populations in parts of Southern Europe where its growth is favored by the climate. Grey asparagus tends to occupy habitats consistent with its Mediterranean origin, spreading into ecologically similar regions.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Dry rocky or sandy ground

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Grey asparagus

Every 2-3 weeks

Water

Full sun

Sunlight

20 - 35 ℃

Ideal Temperature

Water: Grey asparagus has moderate water needs and thrives in arid conditions, showing notable drought resistance. It should be watered every 2-3 weeks, making it ideal for indoor container gardening where moisture levels can be easily managed.

Fertilize: Grey asparagus needs balanced fertilizers, transitioning to high-nitrogen during its growth phase. Fertilize bi-monthly in spring/summer, reducing in winter. Dilute to half-strength to avoid root damage, ensuring optimal nutrition aligns with grey asparagus's active growth for enhanced vigor and resilience.

Pruning: Grey asparagus is a hardy, thorny perennial that benefits from early spring pruning to remove dead stems and shape growth. This enhances air circulation, reducing disease risk. Use sharp, sanitized tools and wear gloves for safety, promoting resilience and ornamental value.

Propagation: Grey asparagus is a strong perennial best propagated through division. Separate rhizomes, ensuring each has roots and a shoot. Immediately plant in well-draining soil and maintain moisture. This method revitalizes the plant and helps expand your collection or share with others.

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Learn More About Grey asparagus

Sunlight Requirements

How to Transplant

How to Prune

How to Grow and Care

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