Overview
Seseli rigidum is a clump forming, tufted, columnar upright annual biennial in the genus Seseli, part of the Apiaceae family, with deciduous foliage. Seseli rigidum grows best in full sun, and tolerates most soils and alkaline and neutral pH. Its UK hardiness is rated H7. Suggested uses include cottage and informal garden, gravel garden, cut flowers and flower borders and beds.
About
Seseli rigidum is a deciduous cultivar of the Seseli genus, which includes herbaceous perennials with woody bases and conical tap roots. This clump-forming, tufted plant grows upright in a columnar habit, featuring rigid, grey-green leaves on erect stems. It produces compact clusters of white umbels in spring and summer, thriving best in full sun with a south- or west-facing aspect. Suited to fertile, well-drained chalk, loam, or sandy soils with neutral to alkaline pH, it is hardy in the UK (H7) and ideal for cottage gardens, gravel gardens, flower borders, and cut flowers.
Growing conditions
Best soil and position for Seseli
- Sunlight
- Full sun
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H7
Plant details
Seseli rigidum size, habit and characteristics
- Plant type
- Annual Biennial, Herbaceous Perennial
- Habit
- Clump forming, Tufted, Columnar upright
- Foliage
- Deciduous
- Suggested uses
- Cottage and informal garden, Gravel garden, Cut flowers, Flower borders and beds
Care notes
Pruning and caring for Seseli rigidum
- Propagation
- Seed
- Pest resistance
- Slugs and snails
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Seseli rigidum?
Seseli rigidum prefers full sun. It suits sheltered positions.
What soil does Seseli rigidum need?
Seseli rigidum is adaptable and grows happily in most soil types, including chalk, loam and sand. It prefers alkaline and neutral soil. Aim for soil that stays well-drained.
Is Seseli rigidum hardy in the UK?
Seseli rigidum has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.
How do I propagate Seseli rigidum?
Seed.
More in the Seseli genus
- Seseli
- Seseli elatum osseum
- Seseli montanum subsp. montanum
- Seseli pallasii
- Seseli arenarium
- Seseli elatum subsp. osseum