Giant scabious (Cephalaria gigantea)

Giant scabious

Giant scabious is characterized by small, yellowish flowers that grow straight up from slender yet rigid stems to heights of 2 meters. It originates in the Caucuses and requires plenty of sunlight. When grown in clusters, it can really enhance the appearance of a garden.

Scientific classification

Species

Giant scabious (Cephalaria gigantea)

Honeysuckles, moschatels and allies

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2.5 m

Plant Height

1 m

Spread

Green

Leaf Color

Yellow

Flower Color

Deciduous

Leaf type

Images of Giant scabious

Distribution of Giant scabious

Distribution Map

Giant scabious is a plant originating from the mountainous regions of the Caucasus and parts of Western Asia. It has been introduced and naturalized in various parts of northern and central Europe and can be found in temperate regions of North America. Giant scabious has adapted to these areas and is also cultivated in gardens for its ornamental value.

Native

Cultivated

Invasive

Introduced

No species reported

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Care Guide for Giant scabious

Every week

Water

Full sun

Sunlight

Water: Giant scabious prefers consistently moist soil similar to its native habitat and tolerates moderate drought. To replicate its environment, water weekly, especially during the growing season when rainwater provides better nutrients than tap water.

Fertilize: For healthy growth and blooms in giant scabious, use a balanced, slow-release fertilizer monthly during the growing season, starting lightly in early spring. Avoid fertilizing in fall and winter, and water thoroughly after application. Over-fertilization can hinder blooms; reduce if nutrient overload occurs.

Pruning: Giant scabious thrives with early to late spring pruning to enhance growth and vigor. Deadheading extends blooming and prevents self-seeding, while removing dead foliage maintains health. Regular trimming promotes shape and prevents legginess, syncing with giant scabious's growth cycle for optimal performance.

Propagation: To propagate giant scabious, use a well-drained soil mix and sow seeds thinly, covering lightly. Maintain steady moisture until germination occurs in warmth. Once seedlings have true leaves, transplant them into individual pots for stronger growth before transferring to their final location.

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Common Pests & Diseases

Leaf rot Leaf wilting Flower withering Dark blotch Flower wilting

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