Texas Tech University


Antirrhinum majus

If you lightly squeeze the sides of a snapdragon flower, it will open and close like the mouth of a tiny, irritable dragon.  This is unequivocally the most important thing to know about it.

(Detailed plant information can be found at the bottom of the page.)
Antirrhinum majus

Antirrhinum majus Photo Gallery

Antirrhinum majus Plant Information

Scientific Name: Antirrhinum majus
Common Name: snapdragon
Family: Scrophulariaceae
Suggested Uses: cool season annuals, beds & borders, cutflowers
Plant Form: upright
Height: 48 inches (standard)

10 inches (dwarf)
Spread: 12 inches
Foliage: opposite, lanceolate leaves

medium-textured foliage
Flower: pink, red, yellow, white, or purple, 3" long fragrant flowers in spikes or terminal raceme
Bloom Period: Fall, Winter, Spring
Sun: light shade
Water: medium water requirement
Soil: prefers well-drained, moist, highly fertile soils
Heat Tolerance: low heat tolerance
Native Range: Mediterranean
Maintenance: stake young standards

pinch out center stem to encourage bushing

propagation by seed

Pests & Pathology: susceptible to root rot and rust
Wildlife: bees
Additional Notes: many cultivars and varieties for different growth habits and colors

TTU Plant Resources