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Hibiscus trionum


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Key information

Plant type

Deciduous shrub

Flower colour






Skill level


Hibiscus trionum

Plant details

Hibiscus trionum is a rarely seen hibiscus, bearing pale green flowers with a crimson, almost black centre, and delicate paper lantern seed pods. Each flower lasts only a day, and often flowers only when the sun shines, but as a fast grower with a prolific blooming potential throught summer until the first frosts, it's well worth growing. 

Unlike some hibiscus varieties, Hibiscus trionum is easy to grow, and is perfect for growing as a filler plant in a sunny ornamental border, or displayed as the main feature of a patio container. It forms a compact mound of dark green leaves, which form the perfect backdrop for its equisite flowers. For best results, grow in fertilie, moist but well-drained soil, in full sun. 

Family: Malvaceae

Genus: Hibiscus

Species: syriacus

Cultivar: Red Heart

Plant type: Deciduous shrub

Flower colour: White

Foliage colour: Dark green

Feature: Flowers

Sun exposure: Full sun

Soil: Well-drained/light, Clay/heavy, Chalky/alkaline, Sandy

Hardiness: Hardy

Skill level: Experienced

Height: 300cm

Spread: 200cm

Time to take cuttings: June to August

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