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Herbaceous Perennial

× Alcalthaea suffrutescens 'Parkallee' (d)

shrubby alcalthaea 'Parkallee'

A tall, bushy perennial to 2.5m with lobed, softly hairy, grey-green leaves. Tall spires of apricot-cream, semi-double, hollyhock-like flowers are produced from mid-summer to early autumn

Synonyms
Alcea × kitaibela 'Parkallee'
Althaea 'Parkallee'
see moreMalva 'Park Allee'
Alcea × _Althaea_, 'Parkallee'
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Size
Ultimate height
1.5–2.5 metres
Time to ultimate height
2–5 years
Ultimate spread
1–1.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Grey Silver
Summer Cream Green Grey Silver
Autumn Cream Green Grey Silver
Winter
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H4
Botanical 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
  • Cottage and informal garden
  • Wall side borders
  • 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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