Overview
Jacobaea maritima 'Diamond' is a upright annual biennial in the genus Jacobaea, part of the Asteraceae family, with pinnate, lobed foliage. Jacobaea maritima 'Diamond' 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 'Diamond' is a cultivar of the Jacobaea genus, which includes about 35 species of herbaceous biennial or perennial plants known for their upright stems and pinnate, lobed leaves. This cultivar thrives in full sun with a south-facing, sheltered aspect and prefers fertile, well-drained loam soil of neutral pH. It is hardy to UK zone H5 and is best suited for wildlife gardens, meadows, and naturalistic planting. 'Diamond' is notable in spring and summer, contributing to the garden's ecological value by supporting pollinators.
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 'Diamond' 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 'Diamond'
- 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 'Diamond'?
Jacobaea maritima 'Diamond' prefers full sun. It suits sheltered positions.
What soil does Jacobaea maritima 'Diamond' need?
Jacobaea maritima 'Diamond' grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.
Is Jacobaea maritima 'Diamond' hardy in the UK?
Jacobaea maritima 'Diamond' 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 'Diamond'?
Seed, division.
More in the Jacobaea genus
- Jacobaea erucifoliahoary ragwort

- Jacobaea leucophylla

- Jacobaea maritimasilver ragwort

- Jacobaea vulgarisCommon ragwort