Overview
Marshallia grandiflora is a plant with a clump-forming herbaceous perennial habit in the genus Marshallia, part of the Asteraceae family, with deciduous foliage. Marshallia grandiflora grows best in full sun and partial shade, and tolerates loam soils and any pH. Its UK hardiness is rated H4. Suggested uses include rock gardens, borders and woodland gardens.
About
Marshallia grandiflora, the Appalachian Barbara's buttons, is an extinct species of flowering plant in the genus Marshallia within the sunflower family. It was endemic to the Blue Ridge Mountains of North Carolina in the Eastern United States, in Henderson and Polk counties.
About the genus
Marshallia is a genus of plants in the tribe Helenieae within the family Asteraceae. Marshallia is native to the southeastern and south-central United States. A common name applied to most species in the genus is Barbara's buttons.
Wikipedia contributors, "Marshallia", CC BY-SA 4.0 — Marshallia
Growing conditions
Best soil and position for Marshallia
- Sunlight
- Full sun, Partial shade
- Soil type
- Loam
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, East-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
Marshallia grandiflora size, habit and characteristics
- Habit
- Clump-forming herbaceous perennial
- Foliage
- Deciduous
- Suggested uses
- Rock gardens, Borders, Woodland gardens
Care notes
Pruning and caring for Marshallia grandiflora
- Propagation
- Division in spring, Root basal cuttings in spring
- Pest resistance
- Susceptible to slugs
- Disease resistance
- Some resistance to powdery mildews
Frequently asked questions
Where is the best place to plant Marshallia grandiflora?
Marshallia grandiflora prefers full sun and partial shade. It suits sheltered positions.
What soil does Marshallia grandiflora need?
Marshallia grandiflora grows best in loam soil. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.
Is Marshallia grandiflora hardy in the UK?
Marshallia grandiflora 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 Marshallia grandiflora?
Division in spring, Root basal cuttings in spring.