Overview
Holosteum umbellatum is a plant with a herbaceous annual habit in the genus Holosteum, part of the Caryophyllaceae family, with deciduous foliage. Holosteum umbellatum grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H5. Suggested uses include rock garden and wildlife garden.
About
Holosteum umbellatum, commonly known as jagged chickweed or mouse ear, is a herbaceous annual in the Caryophyllaceae family. This deciduous plant thrives in full sun on a south-facing, exposed aspect, preferring fertile, well-drained loam soil with a neutral pH. Hardy to UK zone H5, it is best suited to rock gardens and wildlife gardens. It flowers in spring and summer and is propagated by seed.
About the genus
Holosteum is a genus of plants in the family Caryophyllaceae with 3 or 4 species native from southern Europe through central and south western Asia and in Africa. They are herbs with an annual life span, some growing as winter annuals. They have slender roots and thin stems that are upright or ascending.
Wikipedia contributors, "Holosteum", CC BY-SA 4.0 — Holosteum
Growing conditions
Best soil and position for Holosteum
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing
- Exposure
- Exposed
- UK hardiness
- H5
Plant details
Holosteum umbellatum size, habit and characteristics
- Habit
- Herbaceous annual
- Foliage
- Deciduous
- Suggested uses
- Rock garden, Wildlife garden
Care notes
Pruning and caring for Holosteum umbellatum
- Propagation
- Seed
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Holosteum umbellatum?
Holosteum umbellatum prefers full sun. It suits exposed positions.
What soil does Holosteum umbellatum need?
Holosteum umbellatum grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.
Is Holosteum umbellatum hardy in the UK?
Holosteum umbellatum 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 Holosteum umbellatum?
Seed.