Geranium – Red – Guide & Ordering

Red pelargoniums are a long-time favourite in Australian pots and window boxes. See what red geranium flowers are said to mean, plus tips on growing and pet safety.

Scarlet in the garden

Scarlet pelargoniums are probably the most recognisable of all. Their bold, rounded flower clusters sit on stiff stems over lightly scented, rounded leaves. They have been grown in Australian gardens for generations and still turn up at verandahs, church steps and country cottages.

What does red mean?

For a red geranium's meaning, you will find different answers. In Victorian flower dictionaries, geraniums as a whole were given various meanings, and these varied by colour and by book. Modern buyers tend to see red simply as a symbol of warmth and cheerfulness.

Keeping the display going

Red pelargoniums respond to attention.

  • Pick off spent flower heads at the base of the stalk.
  • Feed monthly during the warm months with a balanced fertiliser.
  • Water deeply, then let the pot dry out a little.
  • Pinch back long stems in late winter to promote a bushy shape.
  • Check under leaves for rust and caterpillars.

Where red sits in the year

Spring and autumn give the best colour in most parts of the country, with heat slowing flowering in midsummer. At Christmas in the heat, a red geranium in a pot needs regular water and some midday shade. In frost-prone Canberra and the Tablelands, protect pots on cold nights.

Safety around scarlet pots

The ASPCA lists the genus as a hazard for dogs, cats and horses, naming geraniol and linalool. Vomiting, depression and dermatitis are possible, so keep pots out of reach.

Quick facts – Geranium – Red

Colour
red
Latin name
Pelargonium
Type
bedding and patio plant
Light
full sun
Water
low
Height
25-50 cm
Scent
mild
Toxic to Pets
yes
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FAQ about Geranium – Red

What does a red geranium flower mean?
Meanings vary between old flower dictionaries. Red is generally seen as a cheerful, warm colour.
Why is my red geranium not flowering?
Common reasons are too little sun, too much nitrogen, or leaving old flowers to go to seed. Cut back and feed with a flowering fertiliser.
Do red geraniums prefer pots or garden beds?
Both work. Pots give better drainage, which suits them in wet or heavy soils.
Is a red geranium poisonous?
The ASPCA lists the genus as toxic to dogs, cats and horses. Keep pets from chewing leaves and flowers.

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