It’s one of the larger growing varieties. Costus productus is sometimes called Costus comosus and it’s actually an edible variety. The flower petals are quite sweet and nutritious.

Is Costus ginger edible?

Costus Species From late winter to early spring, plants produce bright red bracts from which individual orange-yellow, edible flowers emerge. Formerly known as Costus barbatus, this plant is commonly called red tower ginger and is a favorite in tropical gardens worldwide as a source of brilliant color.

How do you take care of a spiral ginger plant?

Grow spiral ginger in any amount of light, as long as you keep the soil moist during the growing period. This plant tolerates cooler temperatures as long as there is no frost and is best grown in U.S. Department of Agriculture plant hardiness zones 9 and above.

What parts of the ginger plant are edible?

Common ginger, also called culinary ginger, is one of the most popular edible types. Not only are the rhizomes of common ginger edible, but so are its leaves and shoots—so feel free to chop them up finely and use them as a seasoning! The leaves and shoots, meanwhile, have a less pungent flavor than the rhizome.

Is Costus barbatus edible?

Yellow flowers are edible (Carle 1995) and have a delightful sour lemony flavour. Flowers can be eaten straight off the plant and are excellent in a salad.

How do you take care of a Costus plant?

Fertilize and keep them moist in the spring. All varieties of costus are well suited to partial shade and morning light. With more sun, these plants need more water. Regardless of location, they should be well watered at all times.

How do you prune spiral ginger?

Grasp the base of the stem with the dead or dying blossom. Use pruning shears to cut the stem off near the base of the plant. Ginger plant stems only produce one blossom before dying, so pruning these off makes the plant more attractive. Prune these stems continuously throughout the year each time a bloom fades.

What is Costus barbatus (spiral ginger)?

Costus barbatus (Spiral Ginger) 1 Flower. 2 Description. Costus barbatus is a perennial plant with a long red inflorescence that bears edible, bright yellow tubular… 3 Hardiness. USDA hardiness zone 9a to 11b: from 20 °F (−6.7 °C) to 50 °F (+10 °C). Costus fall into the tropical… More

Is red tower Ginger the same as Costus comosus barkeri?

Many assert that these plants are actually Costus comosus barkeri. Red tower ginger. Costus barbatus is a tall ginger with spiraling foliage typical of the family costaceae. The stems, which are true stems, spiral like a corkscrew, and the leaves themselves spiral around the main stem.

What does Costus barbatus look like in Suess?

Costus barbatus Suess. Costus barbatus is a perennial plant with a long red inflorescence that bears edible, bright yellow tubular flowers. It has dark green and fuzzy underneath, ginger-like, elliptic leaves that spiral up the slender cane-like stems to a height of 7.9 feet (2.4 m).

What is the best fertilizer for Costus barbatus?

I use a balanced fertilizer while they are growing. Make sure to provide an adequate amount of phosphorus. Do not fertilize in the Winter. Costus barbatus is a very easy ginger to grow. It prefers rich, well drained soil. I have not found any pests to be a problem for this plant in Florida.