Eastern Rocket (Sisymbrium orientale)

Eastern Rocket

Sisymbrium orientale

Delicate yellow blooms brighten disturbed soils, a hardy wild annual. Wild edible herb; common names: Eastern Rocket, Oriental Hedge Mustard.

Full sun
1/week
Beginner
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Plant Needs

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Sunlight Thrives in full sun to partial shade; tolerates dry, nutrient-poor disturbed soils
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Watering Drought-tolerant; water only during extended dry spells to avoid root rot
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Temperature Hardy to light frost; performs best in cool to warm temperate conditions
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Characteristics

  • Leaf: Basal rosette of lobed, hairy leaves; stem leaves are smaller, clasping the stem
  • Flower: Small, four-petaled yellow blooms arranged in terminal racemes
  • Stem: Erect, branched, and covered in fine, stiff hairs
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Care Guide

Watering

Water sparingly during prolonged dry periods; allow soil to dry completely between waterings

Fertilization

No regular fertilization required; tolerates low-nutrient conditions. Excessive fertilization may reduce flower production and increase leafy growth

Composted eggshell powder:Sprinkle a thin layer of crushed, composted eggshells around base to add mild calcium without overfeeding
Pruning
  • Deadhead spent blooms to limit excessive self-seeding in managed garden beds
  • Remove yellowing basal leaves to improve air circulation and tidy appearance
  • Cut back entire plant to ground level after flowering to clear garden space for next season
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats

Humans: Non-toxic; young leaves and shoots are edible when prepared properly

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Garden Uses & Culture

Culture: N/A

Usage: Young leaves and shoots are eaten raw in salads or cooked as a leafy green; used in traditional herbal remedies for minor respiratory issues