Carnation – Red – Guide & Ordering

Red carnations are the long-lasting alternative to a rose, and the meaning changes with the shade. Learn what dark and light red say, and how to make a bunch last in warm weather.

The shade matters

Dark red carnations have traditionally stood for deep love, while lighter red ones suggest admiration, so the colour you pick sends a slightly different message. The red carnation is also a worldwide symbol of labour movements, and in Portugal it became the emblem of the 1974 revolution. In Australia the flower is more often seen in funeral work and in mixed spring bunches.

Red carnations beside Valentine's Day

Valentine's Day falls in the middle of summer in Australia, which is the hardest time to keep any cut flower looking good. Carnations are an underrated pick because they cope with heat better than most roses and they do not shed petals easily. Their only real enemies are ethylene gas and dirty water.

  • Place the vase in the coolest part of the house, away from windows.
  • Strip the lower leaves and change the water every two days.
  • Do not stand the vase beside fruit.

Red carnations in the garden

Red garden carnations and pinks want full sun and free-draining soil that is neutral to slightly alkaline. In Perth, Adelaide and Melbourne they grow easily; in humid Brisbane they are better in pots with good airflow. Pinch out shoot tips in spring to get bushier plants and more flowers.

If a dog chews a stem

The ASPCA rates carnation as toxic for dogs, cats and horses, with mild effects such as vomiting, diarrhoea or skin irritation. If your dog has chewed a stem, a call to the vet is enough in most cases.

Quick facts – Carnation – Red

Colour
red
Latin name
Dianthus
Type
cut flower
Light
full sun
Water
moderate
Height
30-70 cm
Vase life
10-14 days
Scent
mild
Toxic to Pets
yes
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FAQ about Carnation – Red

What does a red carnation mean?
Dark red traditionally means deep love, and a lighter red suggests admiration.
Are red carnations good for Valentine's Day?
Yes. They last longer than many flowers in summer heat, which helps in the middle of an Australian summer.
Why is the red carnation a symbol in Portugal?
Soldiers placed red carnations in rifle barrels during the 1974 revolution, and the flower became its emblem.
Do red carnations have a scent?
Most have a mild, spicy scent reminiscent of clove, though modern long-stemmed types can be faint.

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