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Purple Viper's-bugloss

Echium plantagineum

Also listed as Echium lycopsis, Echium orientale

Also known as Paterson's Curse, Salvation Jane, Viper's Bugloss

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

Climate Match for your location

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A showy annual wildflower with vibrant purple-blue flowers arranged in spike-like clusters and hairy, lance-shaped leaves. It thrives in dry conditions and poor soils, making it ideal for naturalized plantings and drought-tolerant gardens.

Why grow it

Purple viper's-bugloss establishes quickly in marginal soils where many ornamentals struggle, offering reliable color without supplemental fertilizer or irrigation once rooted. Compared to other spike-flowered annuals like snapdragons or salvias, it tolerates lower fertility and drier conditions more readily, making it practical for large-scale naturalized plantings or gardens where soil amendment is impractical. The dense, hairy foliage also provides early-season structure before flowering begins.

Watch out for

In areas with adequate moisture and fertility, this plant can self-seed prolifically and persist beyond a single season, requiring management if you want to prevent volunteers in subsequent years. Deadheading spent flower spikes will extend bloom but may be labor-intensive on large plantings; leaving flowers to mature naturally simplifies maintenance but increases seed set.

Overview

Form
Upright
Growth Rate
fast
Size
1.5–3′ tall × 1–1.5′ wide
Dormancy
annual
Family
Boraginaceae
pollinator nectarywildlife benefit

Native Range

Mediterranean

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