Overview

Cephalaria ambrosioides is a columnar upright herbaceous perennial in the genus Cephalaria, part of the Caprifoliaceae family, with deciduous foliage. Cephalaria ambrosioides grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H7. Suggested uses include wildlife gardens, cut flowers and flower borders and beds.

About

Cephalaria ambrosioides is a deciduous, columnar upright cultivar within the Cephalaria genus, known for its pinnately divided foliage and flower heads resembling those of scabious. It thrives in full sun or partial shade and is adaptable to various soil types including chalk, clay, loam, and sand, provided the soil is moist but well-drained. Suitable for all garden aspects and exposures, it is hardy in the UK (H7) and offers interest during spring and summer. This cultivar is ideal for wildlife gardens, cut flowers, and flower borders, and is best planted after the last frost in fertile soil.

Growing conditions

Best soil and position for Cephalaria

Sunlight
Full sun, Partial shade
Soil type
Chalk, Clay, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained
Aspect
South-facing, West-facing, East-facing, North-facing
Exposure
Exposed, Sheltered
UK hardiness
H7

Plant details

Cephalaria ambrosioides size, habit and characteristics

Plant type
Herbaceous Perennial
Habit
Columnar upright
Foliage
Deciduous
Suggested uses
Wildlife gardens, Cut flowers, Flower borders and beds

Care notes

Pruning and caring for Cephalaria ambrosioides

Propagation
Seed sown in pots in a cold frame in early spring, Division in spring
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free

Frequently asked questions

Where is the best place to plant Cephalaria ambrosioides?

Cephalaria ambrosioides prefers full sun and partial shade. It suits exposed and sheltered positions.

What soil does Cephalaria ambrosioides need?

Cephalaria ambrosioides is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.

Is Cephalaria ambrosioides hardy in the UK?

Cephalaria ambrosioides has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.

How do I propagate Cephalaria ambrosioides?

Seed sown in pots in a cold frame in early spring, Division in spring.

More in the Cephalaria genus

Browse all Cephalaria