Night Sky Petunia (Petunia 'Night Sky')

Night Sky Petunia

Petunia 'Night Sky'

Its starry purple blooms look like a midnight sky dotted with white. Flowering annual bedding plant.

Full sun
2–3/week
Beginner
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Plant Needs

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Sunlight Requires at least 6 hours of direct sunlight daily for abundant blooming; tolerate light afternoon shade in extreme heat
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Watering Water when the top 2 cm of soil feels dry; avoid overwatering to prevent root rot
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Temperature Thrives in 15–25℃; protect from frost below 10℃ and extreme heat above 32℃
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Characteristics

  • Leaf: Oval, soft green, slightly fuzzy, arranged alternately on slender stems
  • Flower: Trumpet-shaped, deep purple base with irregular white speckles; 5–7 cm diameter
  • Stem: Slender, branching, trailing growth habit ideal for hanging baskets
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Care Guide

Watering

Keep soil consistently moist but not waterlogged; water deeply 2–3 times weekly

Fertilization

Feed with balanced liquid fertilizer every 2 weeks. Use diluted fertilizer to avoid burning tender roots

Banana peel compost tea:Compost banana peels for 2 weeks, steep in water for 24 hours, dilute 1:20 for root drench; avoid raw peels to prevent pest infestations
Pruning
  • Deadhead spent blooms regularly to encourage continuous flowering throughout the season
  • Pinch back young stems when 10 cm tall to promote bushier, more compact growth
  • Trim leggy stems mid-season to maintain a neat, mounding habit
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-verified non-toxic; safe for cats with no reported toxicity

Humans: Non-toxic to humans; no known adverse effects from ingestion or contact

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Garden Uses & Culture

Culture: Symbolizes whimsy and celestial wonder; popular in star-themed garden designs

Usage: Bedding plant, hanging basket filler, container garden accent, and cut flower for small arrangements