Plant Taxonomy of Hollyhocks:
classifies hollyhocks as Alcea rosea
. Sometimes, the genus name is given as Althea
; but don't confuse the plant with rose of sharon
, which may also go by that name. Among the more popular types are the black hollyhocks
), plants with such dark flowers as to be almost truly black in color.
Most are either biennial
plants or short-lived herbaceous
(although the dead flower stalks persist through winter) perennial
plants. The popular 'Zebrina' is an annual plant.
Hollyhocks are typically tall (6 feet or more in height), slender plants. Some types have handsome double or semi-double flowers; the flowers come in a wide variety of colors. The texture
of the leaves is coarse.
Planting Zones for Hollyhock Plants:
Sun and Soil Requirements:
plants prefer full sun. Plant them in a well-drained soil rich in humus
with a neutral pH
Uses for Hollyhock Plants:
What plants come to mind when you hear, "cottage gardens
?" There's a good chance that hollyhocks will be one of the plants you think of. A classic look is hollyhock plants lining a picket fence
. Because they are tall plants, they can be a good choice for the back rows of planting beds
Make sure that your hollyhocks have good air circulation. Otherwise, you may lose them to hollyhock rust, a fungus (Puccinia malvacearum
). Insect pests for hollyhocks include whitefly (you can try spraying with neem oil
, although I myself didn't have much success). You can deadhead
hollyhocks to promote better flowering, although some growers sacrifice flowers in exchange for re-seeding. Since hollyhocks are tall plants, staking may be advisable, especially in windy areas.
Wildlife Attracted to Hollyhock Plants:
Meaning of Names, "Hollyhocks," "Alcea":
According to The English Cottage Garden Nursery, Alcea
"comes from the Greek 'alkaia', meaning Mallow." The same source suggests the possibility that the name, "hollyhocks" is "a corruption of 'holy' - the plant was alleged to have been brought back here [i.e., to England -- ed.
] with the Crusades. It may also have been called Hock Leaf because it was used to reduce the swelling in horses' hocks." Maltese cross
is also thought to have been brought to Europe from the East during the Crusades.