About
Agrostemma githago 'Ocean Pearl' is a multi-stemmed annual that reaches heights of 60 to 90 cm. It features slender, greyish-green foliage and produces numerous single white blooms during the summer. Each flower is characterized by subtle dark speckles in the throat.
About the genus
Agrostemma consists of upright annual plants characterized by narrow leaves arranged oppositely along the stem. These species produce solitary flowers that feature five petals and a trumpet-like shape, with elongated calyx lobes that are visible between the petals.
Growing conditions
- Sunlight
- Full sun
- Soil type
- Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- West-facing, South-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H5
Plant details
- Plant type
- Annual Biennial
- Habit
- Bushy
- Foliage
- Deciduous
- Height
- 0.1-0.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 1 year
- Suggested uses
- City and courtyard gardens, Cottage and informal garden, Wildlife gardens
- Toxicity
- Human/Pets (dogs, poultry): Harmful if eaten. Wear gloves and other protective equipment when handling For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Care notes
- Cultivation
- Grow in poor, well-drained soil in full sun. Lax growth needs to be staked, deadhead to prolong flowering. Flowers are suitable for cutting and are attractive to bees
- Pruning
- Cut back after flowering
- Propagation
- Propagate by seed sown in-situ, self-seeds prolifically
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free