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Common Toadflax

Linaria vulgaris

Also listed as Linaria linaria, Antirrhinum linaria

Also known as Yellow Toadflax, Butter-and-eggs, Butter-and-egg

herbaceous☀️ full sun💧 low water❄ Hardy: Zone 3a – Zone 8b

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A hardy perennial with narrow, gray-green leaves and snapdragon-like yellow flowers with orange palates. It thrives in poor, dry conditions and is excellent for borders and wild gardens.

Why grow it

Common toadflax offers reliable performance in marginal sites where many ornamentals struggle, particularly in poor, dry soils and full sun. Its narrow foliage and distinctive snapdragon-like flowers provide textural and color interest in borders and naturalized settings. Compared to cultivated snapdragons, it requires minimal inputs and establishes readily from seed, making it useful for low-maintenance designs.

Watch out for

This plant self-seeds prolifically and can spread beyond intended planting areas in favorable conditions. In garden settings, deadheading or cutting back before seed set helps contain spread. It may take several seasons to establish a balanced presence in mixed plantings.

Overview

Form
Upright
Growth Rate
fast
Size
1.5–3′ tall × 1–2′ wide
Dormancy
deciduous
Family
Plantaginaceae
medicinalwildlife benefit

Native Range

Mediterranean, Central Asia, and temperate regions of Europe

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

Summer

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Companion Planting

Plants well with