Overview
Jacobaea maritima is a upright annual biennial in the genus Jacobaea, part of the Asteraceae family, with pinnate, lobed foliage. Jacobaea maritima grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H5. Suggested uses include wildlife gardens, meadows and naturalistic planting.
About
Jacobaea maritima, commonly known as silver ragwort, is a perennial plant species in the genus Jacobaea in the family Asteraceae, native to the Mediterranean region. It was formerly placed in the genus Senecio, and is still widely referred to as Senecio cineraria; see the list of synonyms (right) for other names.
Growing conditions
Best soil and position for Jacobaea
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing
- Exposure
- Sheltered
- UK hardiness
- H5
Plant details
Jacobaea maritima size, habit and characteristics
- Plant type
- Annual Biennial, Bedding
- Habit
- Upright
- Foliage
- Pinnate, lobed
- Suggested uses
- Wildlife gardens, meadows, naturalistic planting
Care notes
Pruning and caring for Jacobaea maritima
- Propagation
- Seed, division
- Pest resistance
- Generally pest-resistant
- Disease resistance
- Generally disease-resistant
Frequently asked questions
Where is the best place to plant Jacobaea maritima?
Jacobaea maritima prefers full sun. It suits sheltered positions.
What soil does Jacobaea maritima need?
Jacobaea maritima grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.
Is Jacobaea maritima hardy in the UK?
Jacobaea maritima has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Jacobaea maritima?
Seed, division.
More in the Jacobaea genus
- Jacobaea erucifoliahoary ragwort
- Jacobaea leucophylla
- Jacobaea maritima 'Diamond'
- Jacobaea vulgarisCommon ragwort