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Spotted Lady's Thumb

Persicaria maculosa

Also listed as Persicaria persicaria, Persicaria ruderalis

Also known as Redshank, Lady's Thumb, Ladysthumb Smartweed

herbaceous☀️ full sun💧💧 moderate water❄ Hardy: Zone 3a – Zone 11b

Climate Match for your location

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A fast-growing annual or short-lived perennial with distinctive dark-spotted leaves and small pink or white flower spikes. Commonly found in disturbed areas and considered invasive in many regions.

Why grow it

Spotted lady's thumb establishes quickly in disturbed soils and marginal sites where slower-growing perennials may struggle. Its tolerance for compacted or poor-quality ground makes it useful for temporary ground cover or soil stabilization in transition plantings, though faster-maturing species like buckwheat offer more reliable management in controlled settings.

Watch out for

This species self-seeds readily and may persist longer than intended in garden margins or near compost areas. It can be difficult to eliminate once established due to prolific seed production, so plan for regular monitoring or removal in adjacent cultivated spaces.

Overview

Form
Upright
Growth Rate
fast
Size
1–2.5′ tall × 0.5–1.5′ wide
Dormancy
deciduous
Family
Polygonaceae
dynamic accumulatormedicinalwildlife benefit

Native Range

Eastern Asia

Seasonality

Bloom Season

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

Season of Interest

SummerFall

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Companion Planting

Plants well with