Overview
Althea cannabina is a garden plant in the genus Althaea, part of the Malvaceae family. It is native to Portugal Continental.
About
Althea cannabina is a species in the genus Althaea within the mallow family Malvaceae. It flowers from July to September. Consult specialist sources or nursery information for precise cultivation requirements. Its summer bloom period is useful for planning flowering succession.
About the genus
Althaea is a genus of herbaceous perennial plants native to Europe, North Africa and western Asia. It includes Althaea officinalis, also known as the marshmallow plant, whence the fluffy confection got its name. They are found on the banks of rivers and in salt marshes, preferring moist, sandy soils.
Wikipedia contributors, "Althaea (plant)", CC BY-SA 4.0 — Althaea (plant)
In the garden
Althea cannabina sits within the genus Althaea and the mallow family, Malvaceae. Recorded flowering for this taxon runs from July to September, so its seasonal behaviour is well defined even where cultivation notes vary. Use botanical and nursery references that list Althaea species to locate authoritative identification and planting information. Cultivation needs differ between Althaea species and cultivars, so follow the supplier’s guidance on light, soil and hardiness rather than assuming a single set of conditions. When preparing to plant, match the chosen site to the nursery recommendations and ensure the planting hole and surrounding soil are prepared to the supplier’s advice. Routine watering until established and a layer of mulch to conserve moisture and suppress weeds are sensible general measures; follow any pruning or deadheading instructions provided by the grower to manage flowering and structure. Because it flowers from July to September, Althea cannabina can be scheduled to provide mid- to late-summer display; place specimens where that timing fills a gap in the border or container plan. Confirm whether the specific stock you buy is suited to borders, containers or structural planting, and arrange post-flowering tasks to coincide with the end of its July–September bloom period.
Plant details
Althea cannabina size, habit and characteristics
- Native to
- Portugal Continental