Snapdragon – Red – guide and ordering

Red snapdragons give strong colour on a slim spike. Learn how to pick a variety, when to plant it in the southern hemisphere and how to use red in a mixed bunch.

Bold on a slim stem

A red snapdragon spike can run from bright scarlet to dark burgundy. The two-lipped blooms stand close together, so the whole stem reads as a single block of colour. Dark red varieties look almost black in low light, and many have a yellow or white throat that gives a little contrast.

Three sizes to choose from

Red snapdragons come in several sizes, so pick the one that matches the job.

  • Tall varieties, about 80 to 100 cm, suit cutting and bold backdrops.
  • Medium types, around 40 to 60 cm, fit borders and larger pots.
  • Dwarf types, around 15 to 25 cm, are for edging and window boxes.

Timing in Australia

Snapdragons are happiest in cool, bright weather. In frost-free coastal areas, plant seedlings from March to May for a long season from winter to spring. In Canberra and the Southern Highlands, wait until after the worst frosts, or protect young plants. Reds can fade in strong sun, so a spot with morning light helps in a hot spring.

Using red

Red looks lovely with white or cream snapdragons, silver foliage or the soft greens of rosemary. Remembrance Day on 11 November and Anzac Day on 25 April are both associated with red poppies, but red snapdragons add a long-lasting alternative in tributes, particularly in a tall vase. Because they do not smell strongly, they sit comfortably next to food.

Poison check

According to the ASPCA, snapdragon is non-toxic to dogs, cats and horses.

Quick facts – Snapdragon – Red

Colour
red
Latin name
Antirrhinum majus
Type
summer flower
Light
full sun
Water
moderate
Height
30-90 cm
Vase life
7-10 days
Scent
mild
Toxic to Pets
no
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FAQ about Snapdragon – Red

When should I plant red snapdragons?
Plant seedlings from March to May where winters are mild; in cold regions wait until the worst frosts have passed.
How tall do red snapdragons grow?
From about 15 cm for dwarf types to roughly a metre for the tallest cut-flower varieties.
Do red snapdragons have a scent?
Some varieties have a light fragrance, but many red types smell very little.
Are red snapdragons poisonous?
The ASPCA's plant list shows no toxicity from snapdragon for dogs, cats or horses.

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