We're offering you a 1 or 3 Alstroemeria Summer Rose for £7.99, saving you up to 47% off Thompson and Morgan's's price of £14.99 (correct as of 23.03.2026).

Alstroemeria 'Summer Rose' – Deep Pink Perennial Beauty

Alstroemeria 'Summer Rose', also known as Peruvian Lily, is a standout perennial from the acclaimed Summer Series. With its rich deep pink blooms, this variety brings a bold splash of colour to any border or container. Each stem carries clusters of trumpet-shaped flowers, creating a stunning visual display from early summer right through to the first frost.

Why Choose 'Summer Rose'?

• Reliable Performer: Renowned for robust growth and prolific flowering, even in unpredictable British summers.
• Low Maintenance: Hardy down to typical UK winter temperatures, this perennial is easy to grow and needs little attention once established.
• Extended Flowering: Long-lasting blooms provide months of garden interest—ideal for cut flower arrangements too.
• Versatile Placement: Perfect for sunny borders, raised beds, or patio containers. Its upright habit makes it an excellent companion for other summer perennials.

Growing Guide & Care

• Planting Time: Best planted in spring after the last frost. Supplied as plug plants ready for potting on now.
• Location: Prefers full sun or partial shade. Choose a sheltered spot to protect delicate blooms from strong winds.
• Soil Preference: Thrives in well-drained, fertile soil with neutral to slightly acidic pH. Amend heavy soils with compost before planting.
• Irrigation: Water regularly during dry spells but avoid waterlogging. Mulch annually to retain moisture and suppress weeds.
• Feeding: Apply a balanced fertiliser monthly during the growing season for best results.
• Pruning: Remove faded flower stems to encourage repeat blooming. Cut back foliage in late autumn after flowering ends.

'Summer Rose' Variety Information

• Genus: Alstroemeria (Peruvian Lily)
• Cultivar: 'Summer Rose'
• Mature Height: Typically reaches 60–90cm (24–36 inches)
• Bloom Period: Early summer to first frost
• Hardiness: Suitable for UK gardens (RHS H4), hardy in most regions

Design Tips & Companion Planting

• Create Contrast: Pair with silver-leaved perennials like Artemisia or soft blues from Nepeta for striking combinations.
• Cottage Garden Favourite: Works beautifully alongside classic border plants such as Salvia, Echinacea, and Coreopsis.
• Pots & Containers: Add instant colour to patios—combine with trailing lobelia or petunias for a vibrant summer display.

FAQs

• When is the best time to plant Alstroemeria 'Summer Rose'?
  The ideal time is spring after the last frost; these plug plants are ready for potting on now.
• How tall does this variety grow?
  'Summer Rose' typically reaches 60–90cm (24–36 inches) at maturity.
• What care does it require?
  This hardy perennial thrives in full sun or partial shade with well-drained soil. Water regularly in dry spells and feed monthly during the growing season.