Slender Goodenia (Goodenia affinis)

Slender Goodenia

Goodenia affinis

It bears cheerful yellow blooms that hug low-growing foliage, a sunny groundcover for dry gardens. Low-growing herbaceous perennial; common name: Slender Goodenia.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; tolerates intense summer heat and dry conditions, with light afternoon shade recommended in extreme heat
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Watering Water deeply but infrequently; allow the top 2–3 cm of soil to dry completely between waterings to prevent root rot
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Temperature Tolerates light frost down to 5°C; thrives in warm, dry summer temperatures between 20–30°C
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Characteristics

  • Leaf: Narrow linear to lanceolate leaves, 1–5 cm long, slightly hairy, arranged in basal rosettes or along trailing stems
  • Flower: Bright yellow bilabiate blooms with 5 petals, 1–2 cm wide, borne on short axillary stalks
  • Stem: Slender, trailing or ascending stems that root at nodes to form dense, spreading mats
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Care Guide

Watering

Keep soil slightly moist during active growth periods to support blooming

Fertilization

Diluted balanced liquid feed every 6 weeks. Discontinue fertilization in autumn and winter when growth slows

Eggshell powder topdressing:Crush clean, fully dried eggshells into a fine powder; dust lightly over the soil surface to boost calcium levels and deter potential blossom end rot
Pruning
  • Trim back leggy or overgrown stems in early spring to encourage dense, compact growth
  • Deadhead spent blooms regularly to prolong the flowering period
  • Remove yellow or damaged foliage to maintain plant health and improve airflow
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA does not list this species as toxic to cats

Humans: No known toxic effects to humans

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Garden Uses & Culture

Culture: N/A

Usage: Groundcover for rock gardens, border edges, or container accents; nectar source for native Australian bees and butterflies