Hollyhock Gardening Tips


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Hollyhock

The hollyhocks (Alcea, formerly Althaea) comprises 60 species of the genus Alcea in the mallow family Malvaceae. It is native to southwest and central Asia. Hollyhocks are biennial or short-lived perennial plants growing to 3.5 m tall. They are useful for adding height and color to borders in cottage gardens. Their numerous flowers are pink or yellow in the wild species.

Hollyhocks are popular as ornamental plants particularly Alcea rosea. The flowers of Alcea rosea come in a variation of colors ranging from dark purple and red to white in addition to the colors found in wild plants. Hollyhocks are extremely drought resistant and would do well in full sun locations which might be too hot or dry for other plants. They produce large, flat coin-shaped seeds and grow easily wherever they drop. Although hollyhocks live only a handful of years, by then they should have produced plenty of descendants.

The following is a selection of Alcea species:

  • Alcea biennis
  • Alcea ficifolia - Antwerp Hollyhock
  • Alcea heldreichii
  • Alcea lavateriflora
  • Alcea pallida
  • Alcea rosea - Common Hollyhock
  • Alcea rugosa
  • Alcea setosa - Bristly Hollyhock
  • Alcea striata
  • Alcea sulphurea


    Botanical Name Alcea
    Features
  • Biennial or perennial
  • Flowers on tall spikes
  • Planting condition Full sun in well-drained soil
    Propagation Seed in late winter or early spring
    Pests and diseases Aphids, capsid bugs, slugs, mallow flea beetles, cutworms, rust


    Hollyhock Photo Album

    Alcea rosea
    Alcea rosea
    Author: Moralist (public domain)


    Alcea rosea
    Alcea rosea
    Author: NaJina McEnany. (GFDL)


    Hollyhock
    Hollyhock
    Author: Roo72 (cc-by-sa-3.0)





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