Overview
Moltkia is a bushy, clump-forming herbaceous perennial in the genus Moltkia, part of the Boraginaceae family, with evergreen, semi-evergreen foliage. Moltkia grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H4. Suggested uses include city and courtyard gardens, cottage and informal garden, patio and container plants, coastal, gravel garden, rock garden, mediterranean climate plants and flower borders and beds.
About
Moltkia is a genus in the Boraginaceae family that includes both evergreen and deciduous subshrubs and perennials. These bushy, clump-forming plants have simple, lanceolate or linear foliage and produce funnel-shaped or tubular flowers in shades of blue, purple, or yellow during late spring and early summer. They thrive in full sun with a sheltered aspect, preferring fertile, well-drained soils such as chalk, loam, or sand with a range of pH levels. Suitable for a variety of garden settings, Moltkia is hardy to UK zone H4 and can be propagated by seed or softwood cuttings.
Growing conditions
Best soil and position for Moltkia
- Sunlight
- Full sun
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, East-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
Moltkia size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Bushy, Clump-forming
- Foliage
- Evergreen, Semi-evergreen
- Suggested uses
- City and courtyard gardens, Cottage and informal garden, Patio and container plants, Coastal, Gravel garden, Rock garden, Mediterranean climate plants, Flower borders and beds
Care notes
Pruning and caring for Moltkia
- Propagation
- Seed, Softwood cuttings
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Moltkia?
Moltkia prefers full sun. It suits sheltered positions.
What soil does Moltkia need?
Moltkia is adaptable and grows happily in most soil types, including chalk, loam and sand. It is happy in soil of any pH. Aim for soil that stays well-drained.
Is Moltkia hardy in the UK?
Moltkia has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.
How do I propagate Moltkia?
Seed, Softwood cuttings.