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Hound's-tongue

Cynoglossum officinale

Also listed as Cynoglossum album, Cynoglossum angustifolium

Also known as Common Hound's Tongue, Gypsy-flower

herbaceous☀️ full sun💧 low water❄ Hardy: Zone 3a – Zone 9b

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A biennial or short-lived perennial with hairy foliage and small pink, purple, or white flowers arranged in coiled clusters. Often considered a weedy invasive in many regions, it tolerates poor conditions and is attractive to pollinators.

Why grow it

Hound's-tongue offers reliable establishment in poor soils and disturbed sites where many ornamental biennials struggle, making it useful for quick cover on marginal land. Its consistent attractiveness to pollinators and modest water needs compare favorably to fussier biennial wildflowers, though it lacks the ornamental refinement of selected cultivars. It is best considered a functional pioneer plant rather than a specimen choice.

Watch out for

Hound's-tongue produces numerous seeds that persist in soil for several years, making established populations difficult to control. The hairy foliage and seeds readily attach to clothing, animal fur, and equipment, facilitating unintended spread. Hand-pulling is most effective on young plants before flowering, though gloves are recommended as the foliage can irritate sensitive skin.

Overview

Form
Upright
Growth Rate
moderate
Size
1.5–3′ tall × 1–2′ wide
Dormancy
deciduous
Family
Boraginaceae
pollinator nectarywildlife benefit

Native Range

Mediterranean, Europe

Seasonality

Bloom Season

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

Season of Interest

SpringSummer

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Companion Planting

Plants well with