A much-branched, jointed succulent subshrub of salt marshes and saline coastal flats, forming clumps up to about a metre high. The key to growing it is abundant sun, sharp drainage and tolerance of salt rather than rich, moist soil.
Family
Amaranthaceae (Amaranth & beet family)
Grows as
Shrub, Succulent
Light
Full sun
Water
Water sparingly and let the soil dry out between waterings; it tolerates salty conditions but dislikes waterlogging.
Soil
Sandy or gritty mix with good drainage; tolerates saline and alkaline soils.
Temperature
Tolerates warm to hot conditions; protect from frost, roughly below 0 °C.
How easy
Moderate
Native range
Macaronesia, Medit. to S. Pakistan and Senegal, Angola, Arabian Pen.
Climate
subtropical
About
Arthrocaulon macrostachyum, synonym Arthrocnemum macrostachyum, is a species of flowering plant in the amaranth family. It is native to coastal areas of the Mediterranean Sea and the Red Sea and parts of the Middle East, where it grows in coastal and inland salt marshes, alkali flats, and other habitats with saline soils.
Where it grows
A. macrostachyum is found around the coasts bordering on the Mediterranean Sea and the Red Sea, and ranges northwards into the Jordan Valley. It is also present in the Middle East, including Iran and Pakistan, where it grows in the muddy coastal swamps immediately inland from the mangroves (Avicennia marina) that border the coast. In the delta region of the Mediterranean coast of Egypt, it dominates some plant communities in the salt marsh habitats.
Text excerpted from the Wikipedia article Arthrocaulon macrostachyum by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.