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Herbaceous Perennial

Antirrhinum majus
  • RHS Plants for pollinators

snapdragon

A short-lived herbaceous perennial, often woody at the base, with upright or scrambling stems up to 2m high or long, with lance-shaped green leaves up to 7cm long, and racemes of fragrant pink or purple flowers, up to 5cm across, from late spring to autumn

Other common names
greater snapdragon
Size
Ultimate height
1.5–2.5 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Sand
Chalk
Loam
Moisture
Well–drained, Moist but well–drained
pH
Neutral, Alkaline, Acid
Colour & scent
StemFlowerFoliageFruit
Spring Pink Purple Green
Summer Pink Purple Green
Autumn Pink Purple Green
Winter
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H2
Botanical details
Family
Plantaginaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus

Antirrhinum can be annuals, perennials or sub-shrubs, with simple leaves and tubular, 2-lipped flowers which may be solitary or in terminal racemes, in summer and autumn

Name status

Correct

Plant range
SW Europe, Mediterranean

How to grow

Cultivation

Grow in a sunny position in well-drained soil

Propagation

Propagate by seed sown at 16-18°C in late summer or early autumn, and overwinter young plants under glass, or by seed in early spring

Suggested planting locations and garden types
  • Wildlife gardens
  • Cottage and informal garden
  • City and courtyard gardens
  • Patio and container plants
  • Flower borders and beds
  • Wall side borders
  • Cut flowers
Pruning

No pruning required, but deadheading will prolong the flowering period

Pests

May be susceptible to aphids

Diseases

May be susceptible to antirrhinum rust, and powdery mildews; may also be affected by damping off, downy mildews, Fusarium wilt, leaf spots, sclerotinia diseases, shothole, Verticillium wilt, and other wilts

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