Rocket Candytuft (Iberis amara)

Rocket Candytuft

Iberis amara

Delicate clustered blooms carpet the ground like tiny white clouds. Annual flowering herb; common names: rocket candytuft, annual candytuft.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; thrives in bright direct sunlight for most of the day, tolerates light afternoon shade in hot climates
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Watering Water when top 2 cm of soil is dry; avoid overwatering to prevent root rot
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Temperature Prefers cool to temperate temperatures; tolerates light frosts, avoid extreme heat above 28°C
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Characteristics

  • Leaf: Narrow linear to lanceolate, gray-green, slightly hairy, arranged alternately on stems
  • Flower: Dense terminal clusters of tiny four-petaled white (rarely pale pink) blooms, lightly fragrant
  • Stem: Slender, branching, green to reddish-brown, upright growth habit
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Care Guide

Watering

Keep soil consistently moist but not waterlogged

Fertilization

Light balanced feed once every 2 weeks. Use diluted balanced feed to support robust bloom production

Eggshell powder topdress:Crush dried eggshells into fine powder; sprinkle lightly on soil surface to boost calcium levels and prevent blossom end rot
Pruning
  • Deadhead spent blooms regularly to encourage prolonged flowering
  • Trim back leggy stems in mid-spring to promote bushier growth
  • Remove faded foliage after flowering to tidy planting areas
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirmed non-toxic to cats; no known adverse effects from ingestion

Humans: Non-toxic to humans; edible flowers may be used as garnishes in small quantities

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental garden plant; edible flowers for culinary garnishes; cut flower for small bouquets