Naked-stemmed Globularia (Globularia nudicaulis)

Naked-stemmed Globularia

Globularia nudicaulis

Low-growing evergreen with tight blue blooms, a quiet groundcover gem. Perennial alpine herb; common name: Naked-stemmed Globularia.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; tolerates high alpine UV exposure, avoid scorching midday sun in low elevations
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Watering Water deeply when top 2 cm of soil dries; avoid waterlogging during dormant winter months
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Temperature Hardy to -15°C; prefers cool temperate conditions, sensitive to prolonged summer heat above 25°C
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Characteristics

  • Leaf: Basal rosette of leathery, oblong to spoon-shaped leaves; dark green, glossy texture
  • Flower: Compact spherical blue inflorescences on naked, upright stems; tiny individual florets
  • Stem: Smooth, leafless flowering stems rising above basal foliage
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Care Guide

Watering

Keep soil evenly moist but not soggy

Fertilization

Diluted low-nitrogen feed once monthly. Use phosphorus-rich diluted feed to support flower production

Crushed eggshell powder topdress:Sprinkle a thin layer around plant bases; mix lightly into topsoil to maintain slightly alkaline soil pH
Pruning
  • Deadhead spent flower stems to keep plant tidy and encourage compact growth
  • Trim back straggly basal foliage in early spring to refresh rosettes
  • Remove yellowed or damaged leaves as needed to improve airflow
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: No listed toxicity to cats

Humans: No documented toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental groundcover for alpine gardens, rockeries, and container troughs