We're offering you a Hibiscus Syriacus Red Heart Potted Plant for £22.99, saving you up to 34% off Thompson and Morgan's's price of £34.99 (correct as of 18.12.2025).

Transform Your Garden with Hibiscus Syriacus 'Red Heart'

Hibiscus syriacus 'Red Heart', also known as Rose of Sharon, is a hardy deciduous shrub admired for its dramatic summer display. Each blossom features crisp white petals and a vibrant ruby-red centre, creating a focal point in any outdoor space.

• Botanical Family: Malvaceae (mallow family)
• Mature Height: Typically reaches 1.5–2.5 metres (5–8 feet)
• Blooming Period: Late July through September, when many other plants begin to fade
• Foliage: Deep green, three-lobed leaves provide a fresh backdrop all season long
• Growth Habit: Upright and bushy, ideal for mixed borders or as a specimen plant

Caring for Your Hibiscus Syriacus

• Sunlight: Prefers full sun but tolerates light shade
• Soil: Grows best in well-drained, moderately fertile soil; pH neutral to slightly alkaline
• Watering: Water regularly during dry spells, especially in the first growing season
• Pruning: Prune in late winter or early spring to encourage new growth and abundant flowering
• Hardiness: Fully hardy in the UK (USDA zones 5–9)
• Feeding: Apply a balanced fertiliser in spring for optimal blooms

Design Ideas & Companion Planting

• Create a vibrant summer border by pairing with lavender, buddleja, or ornamental grasses.
• Suits cottage gardens, Mediterranean schemes, or as a patio feature in large containers.
• Makes an eye-catching hedge or privacy screen when planted in groups.

FAQs

• When is the best time to plant Hibiscus syriacus?
  The best time to plant is autumn or early spring when the ground is workable and not frozen.
• How quickly does 'Red Heart' grow?
  This variety grows at a moderate rate, adding approximately 20–30cm per year under good conditions.
• What type of soil does it prefer?
  'Red Heart' thrives in well-drained, moderately fertile soils with neutral to slightly alkaline pH.