Water regularly during the first growing season to establish a deep root system. Once established, Glandular Globe-thistle is drought-tolerant.

Water only during prolonged dry spells, ensuring the soil dries out between waterings to prevent root rot. Overwatering is detrimental to this plant's health.

Deadhead spent flower stalks to prevent self-seeding and encourage a tidier appearance. Cut back dead foliage in late autumn or early spring before new growth emerges.

This removes potential overwintering sites for pests and diseases and tidies the garden for the next season.

Echinops sphaerocephalus can be propagated by seed sown in autumn or early spring, or by root cuttings taken in late winter. Division of established clumps in early spring is also effective.

Ensure seeds are sown thinly and seedlings are transplanted carefully to avoid disturbing roots.

As a perennial that prefers to be established, repotting is rarely necessary.

If a specimen outgrows its container, which is uncommon for this plant in garden settings, repot in early spring into a larger pot with well-draining soil. Ensure the root ball is disturbed minimally.