Sundenia Red Dipladenia (Dipladenia 'Sundenia Red')

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Sunlight Requires full sun to bright indirect light for abundant blooming; tolerate partial shade but produce fewer flowers in low light

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Watering Water when the top 2 cm of soil feels dry; avoid overwatering to prevent root rot and fungal growth

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Temperature Thrives in warm temperatures; protect from frost and maintain temperatures above 12°C during winter months

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Leaf: Glossy, oval to lanceolate green leaves (5–10 cm long), arranged oppositely on stems
Flower: Trumpet-shaped bright red blooms (5–7 cm wide) with five overlapping petals
Stem: Slender, semi-woody trailing/climbing stems with small aerial roots for anchorage

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Watering

Keep soil consistently moist but not waterlogged; increase watering frequency during hot, dry periods

Fertilization

Diluted balanced liquid fertilizer every 2 weeks. Avoid fertilizing during winter dormancy to prevent nutrient buildup

Banana peel compost tea：Soak fully composted banana peels in water for 24 hours; dilute 1:20 for root drenching to avoid pest infestations and odor

Pruning

Deadhead spent blooms regularly to encourage continuous flowering throughout the growing season
Trim leggy stems in early spring to promote bushier, more compact growth
Remove yellowing or damaged leaves to improve air circulation and maintain plant appearance
Cut back overgrown vines in late winter to prepare for new spring growth

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Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; contains cardiac glycosides that may cause vomiting, diarrhea, irregular heartbeat, and lethargy

Humans: Contains cardiac glycosides; ingestion may cause mild oral irritation, nausea, or vomiting in large quantities

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Culture: N/A

Usage: Ornamental trailing/climbing plant for containers, trellises, hanging baskets, or garden borders