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Hollyhock in the GardenTags plant encyclopedia

Alcea rosea syn. Althaea rosea

 

Hollyhock

Alcea is a group of plants in the Mallow family Malvaceae, native to Asia and Europe. Alcea rosea (previously called Althaea rosea) is commonly known as the Hollyhock and is a species which specifically found naturally in Turkey. It is normally grown best as a deciduous biennial, or a short lived perennial, and has lobed round green leaves with open funnel-shaped flowers carried on tall spikes. They are traditionally part of cottage gardens, however many are susceptible to a fungal disease known as rust, one which can persist if allowed to grow for more than two years. Hollyhocks like a well drained soil but appreciate some organic matter when planting for best results. Through cultivation, many colour forms are now available.

 
plant Features
  • Hollyhock likes full sun

    Full sun

  • Hollyhock likes occasional watering

    Occasional watering

  • Hollyhock is full frost hardy: 5f (-15°c)

    Full Frost Hardy: 5F (-15°C)

  • Hollyhock likes free draining and fertile

    Free draining and fertile

 
Similar plants are available to buy from 1 store(s) in the UK
 
plant information

Common name

Hollyhock

Latin name

Alcea rosea syn. Althaea rosea

type

Biennial or short-lived perennial

family

Malvaceae

ph

5.0 - 8.5 Acid - Neutral

  • Light

    Hollyhock likes full sun

    Full sun

  • Frost

    Hollyhock is full frost hardy: 5f (-15°c)

    Full Frost Hardy: 5F (-15°C)

  • Soil

    Hollyhock likes free draining and fertile

    Free draining and fertile

  • Water

    Hollyhock likes occasional watering

    Occasional watering

Plant & bloom calendar

  •  
    Best time to plant
  •  
    When the plant will bloom

full grown dimensions

The size of a fully grown Hollyhock is 0.50meters x 2.50meters 0.50 M 2.50 M

Alcea rosea syn. Althaea rosea

Alcea is a group of plants in the Mallow family Malvaceae, native to Asia and Europe. Alcea rosea (previously called Althaea rosea) is commonly known as the Hollyhock and is a species which specifically found naturally in Turkey. It is normally grown best as a deciduous biennial, or a short lived perennial, and has lobed round green leaves with open funnel-shaped flowers carried on tall spikes. They are traditionally part of cottage gardens, however many are susceptible to a fungal disease known as rust, one which can persist if allowed to grow for more than two years. Hollyhocks like a well drained soil but appreciate some organic matter when planting for best results. Through cultivation, many colour forms are now available.


Flowering Season

From Mid Summer TO Late Summer

Hollyhocks flower in Summer

 

Planting Outdoors

From Early Spring TO Mid Spring

Container grown plants are put into a sunny, reasonably fertile well drained position in spring

 

Propagation by seed

From Mid Spring TO Late Spring

Sow seed in spring into flowering position.

 

Propagation by seed

From Early Spring TO Mid Spring

Sow seed under glass in early spring, with gentle heat.

 
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