Overview
Acantholimon caesareum is a matforming alpine rockery in the genus Acantholimon, part of the Plumbaginaceae family, with evergreen foliage. Acantholimon caesareum grows best in full sun, and tolerates most soils and alkaline and neutral pH. Its UK hardiness is rated H7. Suggested uses include gravel garden, patio and container plants and rock garden.
About
Acantholimon caesareum is a matforming evergreen perennial from the genus Acantholimon, known for its thick mats of narrow, needle-like foliage. It thrives in full sun on south-facing, sheltered sites with well-drained alkaline or neutral soils such as chalk, loam, or sand. In early summer, it produces funnel-shaped blooms arranged in short spikes or panicles. Hardy to UK zone H7, this cultivar is suitable for gravel gardens, rock gardens, and patio containers, preferring fertile, well-drained soil and can be propagated by seed sown in spring or semi-ripe cuttings taken in late summer.
Growing conditions
Best soil and position for Acantholimon
- Sunlight
- Full sun
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing
- Exposure
- Sheltered
- UK hardiness
- H7
Plant details
Acantholimon caesareum size, habit and characteristics
- Plant type
- Alpine Rockery, Conservatory Greenhouse
- Habit
- Matforming
- Foliage
- Evergreen
- Suggested uses
- Gravel garden, Patio and container plants, Rock garden
Care notes
Pruning and caring for Acantholimon caesareum
- Propagation
- Seed sown in spring, Semi-ripe cuttings taken in late summer
- Pest resistance
- Generally problem free
- Disease resistance
- Generally problem free
Frequently asked questions
Where is the best place to plant Acantholimon caesareum?
Acantholimon caesareum prefers full sun. It suits sheltered positions.
What soil does Acantholimon caesareum need?
Acantholimon caesareum 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 Acantholimon caesareum hardy in the UK?
Acantholimon caesareum has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.
How do I propagate Acantholimon caesareum?
Seed sown in spring, Semi-ripe cuttings taken in late summer.