Overview
Sphaeralcea munroana is a bushy, columnar upright herbaceous perennial in the genus Sphaeralcea, part of the Malvaceae family, with deciduous foliage. Sphaeralcea munroana grows best in full sun, and tolerates loam and sand soils and any pH. Its UK hardiness is rated H4. Suggested uses include cottage and informal garden, gravel garden, banks and slopes and wall side borders.
About
Sphaeralcea munroana is a herbaceous perennial cultivar within the Sphaeralcea genus, known for its bushy, columnar upright habit and deciduous foliage. This plant thrives in full sun and prefers a sheltered position with south or west-facing aspects. It grows well in fertile, well-drained loam or sandy soils across a range of pH levels, from acid to alkaline. Hardy to UK zone H4, it is suitable for cottage and informal gardens, gravel gardens, banks, slopes, and wall-side borders, offering interest from spring through summer.
About the genus
Sphaeralcea is a genus of flowering plants in the mallow family (Malvaceae). There are about 40-60 species, including annuals, perennials, and shrubs. Most originate in the drier regions of North America, with some known from South America.
Wikipedia contributors, "Sphaeralcea", CC BY-SA 4.0 — Sphaeralcea
Growing conditions
Best soil and position for Sphaeralcea
- Sunlight
- Full sun
- Soil type
- Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
Sphaeralcea munroana size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Bushy, Columnar upright
- Foliage
- Deciduous
- Suggested uses
- Cottage and informal garden, Gravel garden, Banks and slopes, Wall side borders
Care notes
Pruning and caring for Sphaeralcea munroana
- Propagation
- Seed, Division, Basal cuttings, Softwood cuttings
- Pest resistance
- Generally pest-free
- Disease resistance
- May be susceptible to hollyhock rust
Frequently asked questions
Where is the best place to plant Sphaeralcea munroana?
Sphaeralcea munroana prefers full sun. It suits sheltered positions.
What soil does Sphaeralcea munroana need?
Sphaeralcea munroana grows best in loam and sand soil. It is happy in soil of any pH. Aim for soil that stays well-drained.
Is Sphaeralcea munroana hardy in the UK?
Sphaeralcea munroana 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 Sphaeralcea munroana?
Seed, Division, Basal cuttings, Softwood cuttings.