Celosia: Growing, Caring for and Using This Vibrant Autumn Flower in Floristry

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Jewel-like hues, fascinating shapes.

Bright magenta celosia flowers with green leaves on a white background, a vivid close-up floral arrangement

Lighting up autumn with their vibrant colours, the flowers of Celosia are unmistakeable. Almost artificial in their vividness, both the cut flower and pot plant will put a zing into any arrangement or planted scheme. An interesting flower with two very distinctive shapes, one tall and feathery, the other rippled and curved, they give plenty of scope for imaginative design.

Yellow feathery Celosia flower spike on a green stem, isolated on a white background.

Celosia Argentea: The Velvety Chinese Wool Flower

Also called Chinese wool flower, this is a tender annual originally from the tropical regions. Despite its spiky appearance, it is soft and velvety to the touch.

Close-up of vivid magenta cockscomb flowers blooming outdoors against a blurred garden wall and greenery.

Celosia Cristata: The Unique Cockscomb Flower for Floral Designs

Often referred to as cockscomb or coral flower for obvious reasons, this variety of Celosia is such an unusual, interesting shape, it deserves to be in the spotlight.

Buying Celosia for Floristry: Availability, Stem Length and Vase Life

Stem length: 60-80cm, generally sold in multiples of ten.

When to buy: Although available from May to November, Celosia is always best at its peak flowering time, between July and October.

Buy from UK growers: from July to October

Bright red cockscomb flowers with green stems on a white background, close-up floral arrangement

Celosia Cut Flower Guide

Vase life: 7-10 days.

Colour Range: Pink, red, purple, orange, yellow. All in full on hues, there is nothing subtle about the colour of the flowers of Celosia.

Ideal temperature range: They are a tropical flower, so between 8-10°C.

Bright magenta cockscomb flower with green leaves against a soft blurred background

How to condition Celosia Cut Flowers for Maximum Vase Life

Soft stemmed, so re-cut using a sharp knife and place in fresh water which should be changed every 2-3 days.
It’s important to remove all foliage in contact with water as it will break down and pollute the water very quickly.
Cut Celosia is prone to collapse, this is generally caused by overcrowding in containers, they need good air circulation and should be displayed away from draughts and direct heat sources.

Potted celosia with bright pink flower spikes and green leaves in a rustic white planter on a white background

How to care for Celosia as a houseplant: Watering, Light and Feeding Requirements

Temperature: Cool/warm, between 10-18°C.

Watering: Keep compost wet, but not soggy. Don’t allow it to dry out.

Humidity: Mist occasionally, avoid wetting the flower as this will encourage rot.

Light: A bright spot, they don’t thrive in semi-shade, but shield from direct sun.

Feeding: Every two week while in flower.

After flowering: Celosia are annuals, so once they have flowered, they can be disposed of in your compost heap.

Pro-Tip

Plant collapse? This is usually caused by overwatering. If your plant is in a pot cover, always take it out first to check that your plant is not already semi-submerged.

Su Whale is a florist and freelance writer with over Thirty years' experience in the floristry industry. She is the author and publisher of three best-selling books: Cut Flowers, 4th edition (2020) Cut Foliage, 2nd Edition, (2021) and Houseplants (2019), all bookshelf essentials for the professional florist.