Overview
Coreopsis maritima is a bushy, clump forming herbaceous perennial in the genus Coreopsis, part of the Asteraceae family, with deciduous foliage. Coreopsis maritima grows best in full sun, and tolerates loam and sand soils and any pH. Its UK hardiness is rated H5. Suggested uses include city and courtyard gardens, coastal, cottage and informal garden, patio and container plants and flower borders and beds.
About
Leptosyne maritima, the sea dahlia, is a species of tickseed in the sunflower family. Leptosyne maritima is native to Southern California and Baja California, primarily in coastal California chaparral and woodlands habitats. Grow it in full sun and loam and sand soil. In UK gardens it is hardy in most of the UK (RHS H5). It works well for city and courtyard gardens, coastal, cottage and informal garden, patio and container plants and flower borders and beds. It tolerates soil of any pH, moist but well-drained conditions and south-facing, west-facing and east-facing aspects. Plant out after last frost in fertile, well-drained soil.
Wikipedia contributors, CC BY-SA 4.0 — Leptosyne maritima
About the genus
Coreopsis is a genus of flowering plants in the family Asteraceae. Common names include calliopsis and tickseed, a name shared with various other plants.
Wikipedia contributors, "Coreopsis", CC BY-SA 4.0 — Coreopsis
Growing conditions
Best soil and position for Coreopsis
- Sunlight
- Full sun
- Soil type
- Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H5
Plant details
Coreopsis maritima size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Bushy, Clump forming
- Foliage
- Deciduous
- Suggested uses
- City and courtyard gardens, Coastal, Cottage and informal garden, Patio and container plants, Flower borders and beds
Care notes
Pruning and caring for Coreopsis maritima
- Propagation
- Seed, Division, Basal root cuttings
- Pest resistance
- Susceptible to slugs and snails
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Coreopsis maritima?
Coreopsis maritima prefers full sun. It suits exposed and sheltered positions.
What soil does Coreopsis maritima need?
Coreopsis maritima grows best in loam and sand soil. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.
Is Coreopsis maritima hardy in the UK?
Coreopsis 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 Coreopsis maritima?
Seed, Division, Basal root cuttings.
More in the Coreopsis genus
- Coreopsistickseed
- Coreopsis grandiflora 'Mayfield Giants'Large-flowered Tickseed
- Coreopsis rosea Twinklebells Sunrise ('P16132')Pink Tickseed
- Coreopsis verticillata 'Ruby Red'Whorled Tickseed
- Coreopsis 'Limerock Ruby'PBR