Overview
Iberis aurosica 'Sweetheart' is a spreading branched herbaceous perennial in the genus Iberis, part of the Brassicaceae family, with evergreen foliage. Iberis aurosica 'Sweetheart' grows best in full sun, and tolerates most soils and alkaline and neutral pH. Its UK hardiness is rated H5. Suggested uses include coastal, cottage and informal garden, patio and container plants, rock garden, gravel garden and garden edging.
About
Iberis aurosica 'Sweetheart' is a spreading branched, evergreen herbaceous perennial belonging to the genus Iberis, which includes annuals, perennials, and sub-shrubs known for their slender foliage and clusters of flowers in white, pink, or purple. This cultivar thrives in full sun and can be grown in a variety of soil types, including chalk, loam, and sand, provided the soil is fertile, moist but well-drained, and alkaline to neutral in pH. Hardy to UK zone H5, it is suitable for coastal, cottage, rock, and gravel gardens, as well as patios and containers. It flowers in spring and summer and can be propagated by seed or semi-hardwood cuttings.
Growing conditions
Best soil and position for Iberis
- Sunlight
- Full sun
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, North-facing, West-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H5
Plant details
Iberis aurosica 'Sweetheart' size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Spreading branched
- Foliage
- Evergreen
- Suggested uses
- Coastal, Cottage and informal garden, Patio and container plants, Rock garden, Gravel garden, Garden edging
Care notes
Pruning and caring for Iberis aurosica 'Sweetheart'
- Propagation
- Seed, Semi-hardwood cuttings
- Pest resistance
- Slugs, Snails, Caterpillars
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Iberis aurosica 'Sweetheart'?
Iberis aurosica 'Sweetheart' prefers full sun. It suits exposed and sheltered positions.
What soil does Iberis aurosica 'Sweetheart' need?
Iberis aurosica 'Sweetheart' 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 moist but well-drained.
Is Iberis aurosica 'Sweetheart' hardy in the UK?
Iberis aurosica 'Sweetheart' 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 Iberis aurosica 'Sweetheart'?
Seed, Semi-hardwood cuttings.
More in the Iberis genus
- Iberis aurosica

- Iberis saxatilisrock candytuft

- Iberis sempervirens 'Nevina'

- Iberis sempervirens 'Plena' (d)

- Iberis sempervirens 'Snowflake'Evergreen Candytuft

- Iberis amara coronariarocket candytuft