Costus dubius growing herbaceous geophyte of the genus Costus also known as Spiral gingers, Costus dubius perennial evergreen used as ornamental fragrant plant can grow in tropics, mediterranean or subtropics climate or as houseplant and growing in hardiness zone 10b+.
Leaves color green with some variegate varieties in color green with white, leaves shape elliptic and grow in rosette structure.
Costus dubius flower
Flower fragrant color yellow or white grows inside bracts.
Bracts color can be: green hive shape.
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Requirements for Costus dubius growing and care:
Warm climate all year
What is the best way to start growing?
Plant / Seed / Vegetative reproduction
Is it necessary to graft or use vegetative reproduction?
In order to get the same as the mother plant yes
Difficulties or problems when growing:
Spring, summer, autumn
Pests and diseases:
How to prune:
Dead leaves and stems
Size of the plant?
1-2.5 m, 40-100 inches
Growth speed in optimal condition:
Fast growing / Medium growing
Average amount of water / Big amount of water
Light conditions in optimal condition for growing:
Full Sun / Half Shade / Full shape
Is it possible to grow as houseplant?
Growing is also possible in a planter /flowerpot / containers:
Can bloom most of the year mostly in summer to autumn
General information about the flower:
Fragrant flower the color yellow or white flowers grow inside bracts, bracts color green and the shape is hive shape.