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Shortpod Mustard

Hirschfeldia incana

Also listed as Sinapis incana, Brassica adpressa

Also known as Hoary Mustard, Mediterranean Mustard, Buchan Weed

herbaceous☀️ full sun💧 low water❄ Hardy: Zone 8a – Zone 11b

Climate Match for your location

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Shortpod Mustard is a Mediterranean native wildflower with yellow flowers and rapid growth, commonly found in dry, disturbed areas. It is often considered invasive in some regions due to its prolific seeding and drought tolerance.

Why grow it

Shortpod Mustard establishes quickly in poor, dry soils where many ornamental plants struggle, making it useful for temporary ground cover or erosion control on degraded sites. Compared to other mustard species, its compact growth habit and relatively short lifecycle allow for easier management in confined spaces. The yellow flowers provide early-season forage for pollinators in otherwise sparse landscapes.

Watch out for

This species self-seeds readily once established, so deadheading spent flowers or timely removal prevents unwanted spread into adjacent plantings. In regions where it has become naturalized, neighboring landowners may object to its presence, making it important to monitor and contain populations. Like most mustards, it prefers full sun and good drainage, and will decline in wet or heavily shaded conditions.

Overview

Form
Upright
Growth Rate
fast
Size
1.5–4′ tall × 1–2.5′ wide
Dormancy
evergreen
Family
Brassicaceae
Dynamic accumulatorPollinators & beneficial insects

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