Sweet Autumn Clematis (Clematis terniflora)

Sweet Autumn Clematis

Clematis terniflora

Clouds of tiny white blooms scent autumn air like honey. Deciduous climbing vine; common name: Sweet Autumn Virginsbower.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Requires 6+ hours of direct sunlight daily for optimal blooming; tolerates partial shade in hot summer climates
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Watering Water deeply when the top 5 cm of soil feels dry; avoid overwatering to prevent root rot
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Temperature Hardy to -15°C; protect young plants from extreme frost during their first winter
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Characteristics

  • Leaf: Compound pinnate leaves with 3–5 ovate to lanceolate glossy green leaflets
  • Flower: Clusters of star-shaped white fragrant blooms, 1–2 cm in diameter
  • Stem: Slender woody twining stems for climbing support
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Care Guide

Watering

Keep soil consistently moist but not waterlogged

Fertilization

Apply balanced liquid fertilizer every 2 weeks. Stop fertilizing in late August to allow the vine to harden off before winter dormancy

Banana peel compost tea:Fully compost banana peels, steep in water for 3 days, dilute 1:20 for root drench; avoid raw peels to prevent pest infestations
Pruning
  • Prune hard in late winter to remove dead wood and encourage vigorous new growth
  • Thin overcrowded stems in spring to improve airflow and reduce disease risk
  • Trim back wayward stems during summer to maintain desired shape
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; contains irritant glycosides that cause vomiting, diarrhea, and drooling

Humans: Ingestion causes oral irritation, nausea, and mild gastrointestinal distress

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Garden Uses & Culture

Culture: Symbolizes mental beauty and ingenuity in traditional floral symbolism

Usage: Ornamental climbing vine for trellises, arbors, and fences; fragrant cut flower for autumn arrangements