Heavenly Blue Morning Glory (Ipomoea tricolor)

Heavenly Blue Morning Glory

Ipomoea tricolor

Its trumpet blooms unfurl at dawn like sky-blue trumpets. Annual climbing vine; common name: Morning Glory.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Requires full sun exposure for maximum blooming; tolerates partial shade with reduced flower production
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Watering Keep soil evenly moist but not waterlogged; avoid allowing the soil to dry out completely during hot, dry periods
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Temperature Thrives in warm temperatures; sensitive to frost, grown as an annual in cool temperate regions
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Characteristics

  • Leaf: Heart-shaped, bright green, 7–15 cm long with pointed tips
  • Flower: Trumpet-shaped, 7–10 cm wide; blue with white throat, fading to purple by mid-afternoon
  • Stem: Slender, herbaceous twining stem adapted for climbing structures
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Care Guide

Watering

Keep soil consistently moist; water deeply when the top 2 cm of soil feels dry

Fertilization

Diluted balanced fertilizer once monthly. Avoid over-fertilizing to prevent excessive foliage growth at the expense of flower production

Banana peel compost tea:Compost banana peels for 2 weeks, steep in water for 24 hours, dilute 1:20 with water, and apply as a root drench to avoid leaf burn
Pruning
  • Pinch young vine tips to encourage bushier growth and more flower buds
  • Remove spent blooms promptly to prevent self-seeding and maintain a tidy appearance
  • Trim overgrown vines to control spread in small garden spaces or containers
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; contains alkaloids that may cause vomiting, diarrhea, tremors, and incoordination

Humans: Seeds contain lysergic alkaloids; ingestion may cause nausea, dizziness, or mild hallucinations in large quantities

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Garden Uses & Culture

Culture: Symbolizes fleeting love, as blooms fade quickly after opening at dawn

Usage: Ornamental climbing vine for trellises, fences, arbors, and container gardens