× Alcalthaea suffrutescens 'Parkrondell' (d)
shrubby alcalthaea 'Parkrondell'
A tall, bushy deciduous perennial to 1.5m in height with lobed, softly hairy, grey-green leaves. Tall spires of light pink single, hollyhock-like flowers with an inner rosette of crinkled petals and a dark centre, are produced from mid-summer to early autumn
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Size
Ultimate height
1.5–2.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green Grey Silver | |||
---|---|---|---|---|
Summer | Pink | Green Grey Silver | ||
Autumn | Pink | Green Grey Silver | ||
Winter |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered Hardiness
H4Botanical details
- Family
- Malvaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Genus
Alcalthaea are bigeneric hybrids between Alcea and Althaea. They are tall, branching, short-lived perennials with hairy foliage and spires of pink, cream or yellow flowers
- Name status
Accepted
How to grow
Cultivation
Best in fertile, well-drained soil in a sunny, sheltered position. May need staking
Propagation
Propagate by softwood cuttings, does not produce seed
Suggested planting locations and garden types
- City and courtyard gardens
- Coastal
- Cottage and informal garden
- Wildlife gardens
- Low Maintenance
- Flower borders and beds
Pruning
Cut down to ground once flowering is over
Pests
May be susceptible to mallow flea beetles or aphids
Diseases
May be susceptible to a rust
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