Blue Fiestaflower (Pholistoma membranaceum)

Blue Fiestaflower

Pholistoma membranaceum

Delicate blue blooms trail softly, a charming ground cover for wild gardens. Annual herbaceous wildflower; common name: blue fiestaflower.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; tolerate dappled sunlight in warm, arid regions to prevent leaf scorch
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Watering Water when the top 2 cm of soil feels dry; avoid overwatering to prevent root rot in heavy soils
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Temperature Thrives in cool to temperate temperatures; avoid prolonged exposure to temperatures above 32°C
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Characteristics

  • Leaf: Lobed, rounded to oval leaves with toothed margins; covered in fine, soft hairs
  • Flower: Bell-shaped pale blue to violet blooms with white throats; clustered in loose cymes
  • Stem: Slender, trailing stems that may root at nodes when in contact with moist soil
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Care Guide

Watering

Keep soil consistently moist during active growth and flowering

Fertilization

Apply diluted balanced liquid feed once monthly. Avoid over-fertilization to prevent leggy growth

Banana peel compost tea:Compost banana peels for 2 weeks, steep in water, dilute 1:20 for root drench; avoid raw peels to prevent pest infestations
Pruning
  • Deadhead spent blooms to extend the flowering period
  • Trim overgrown trailing stems to maintain a compact, tidy habit
  • Remove yellowing or damaged foliage to improve airflow and reduce disease risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA has no listed toxicity to cats

Humans: No documented toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental ground cover for wildflower gardens; pollinator-friendly for native bees and butterflies