Geranium Calliope Deep Rose – Premium Large Flowering Summer Bedding Plant, 5L Root-Ball

The Geranium Calliope Deep Rose is a striking interspecific hybrid pelargonium from the renowned Calliope series, bred by crossing zonal and ivy-leaf pelargoniums. This exceptional cross produces a vigorous, free-flowering plant with large, semi-double blooms in a rich, deep rose-pink shade that provides continuous colour throughout the summer months and into autumn.

Celebrated for its outstanding garden performance, the Calliope series is known for superior heat and drought tolerance compared to traditional geraniums, making it an incredibly reliable choice for beds, borders, patio containers, and window boxes. The lush, dark green foliage with subtle zonal markings provides an attractive backdrop that beautifully complements the vibrant deep rose flowers.

Supplied as a well-established 5L root-ball, this plant is ready to make an immediate impact in your garden or outdoor display. Its naturally bushy, mounding habit and prolific blooming make it a standout addition to any summer planting scheme.

Key Features:

• Large, semi-double deep rose-pink flowers with exceptional colour saturation


• Interspecific hybrid offering improved vigour, heat tolerance, and weather resistance


• Long flowering season from late spring through to the first frosts


• Bushy, well-branched growth habit ideal for containers, beds, and borders


• Low maintenance – deadhead regularly to encourage continuous blooming


• Supplied as a generous 5L root-ball for instant garden impact

Cultural Information:

• Botanical Name: Pelargonium × interspecific 'Calliope Deep Rose'


• Common Names: Geranium Calliope Deep Rose, Interspecific Pelargonium


• Classification: Half-Hardy Perennial (grown as an annual in the UK)


• Fully Grown Height & Spread: 30–40 cm × 30–50 cm


• Growth Habit: Bushy, Mounding, Well-Branched


• Perfect for: Containers, Patio Pots, Window Boxes, Beds, Borders, Summer Displays


• Flowering Time: Late Spring to Autumn (May–October)


• Planting Position: Full Sun to Partial Shade


• Watering: Moderate – Allow soil to dry slightly between waterings; drought tolerant once established


• Feeding: Apply a balanced liquid feed every 1–2 weeks during the growing season


• Hardiness: Half-Hardy – Protect from frost or overwinter indoors


• Foliage: Dark Green with Subtle Zonal Markings


• Flower Form: Large, Semi-Double Blooms


• Attracts: Bees and Pollinators

Notes: This plant is supplied in the Deep Rose colour variety, featuring rich rose-pink tones. As a half-hardy plant, it should be protected from frost or brought indoors over winter for the best chance of returning the following season.