bybas.blogg.se

Species available for sale in Australia include Also by the natural production of plantlets on the stem. Propagation – Usually by root division of established clumps.Prune – In winter, cut the plants back to the ground as the foliage begins to look a little ragged.Fertiliser – Fertilise in spring, use a slow release organic fertiliser, or to[ dress around the plant with compost and aged cow or sheep manure.Watering should not commence until spring when new growth is evident.

You can also grow them in pots and bring them indoors or onto a warm patio over winter. With a little luck they will produce flowers well before the cold of autumn comes around. Plant them in spring as the weather warms up, keeping them in a warm protected position. In colder climates you can grow these plants with a little care. New plants form where old flowers have been, roots will actually form in the air and as the ‘new plant’ grows the weight will drag the branch down to the ground where the roots will take hold and a new plant will take root. Excellent both as garden specimens or container plants.įlowers form at the end of growing tips in midsummer through to early autumn, some species will flower from the base. In China they are used as a medicinal plant and have been for many years.Įasy to grow, they prefer partial sun and do well in rich, moist well drained soil. These are the ones that from at the base of the plant such as on C. Some Costus species produce flowers on the stems, others produce basal flowers. cuspidatus, C.productus (Costus comosus) are others to look for.

Other names include Monocostus and Dimerocostus.Ĭostus come in many forms, from low growing mounded plants to taller growing Costus vareties. They are also listed as Cheilocostus and Chamaecostus as recently some species have been renamed. They differ greatly in both flowering and growth habit, however many very ornamental forms are available for sale.Ĭostus are distinguished from other gingers by foliage, it grows with a spiral habit around the main stem.

These attractive flowering plants come from Australia as well as Africa, China and South East Asia. With the common name of Spiral Gingers, Costus are a tropical to sub tropical species grown as an ornamental understory plant.