We're offering you a 1 or 3 Peony 'Alexander Fleming' Plants for £6.99, saving you up to 30% off Thompson and Morgan's's price of £9.99 (correct as of 13.01.2026).

Transform Your Garden with Peony 'Alexander Fleming'

Paeonia lactiflora 'Alexander Fleming' is a classic perennial prized for its lush, double-petalled pink blooms and intoxicating fragrance. This mid-season variety is renowned for producing large flowers—up to 20cm across—that deliver vibrant colour and a sweet scent to your outdoor space.

• Botanical family: Paeoniaceae
• Bloom period: Late spring to early summer (May–June in the UK)
• Mature height: Approx. 80–90cm
• Spread: Up to 60cm
• Flower type: Double, rose-pink petals with yellow stamens at the centre

Cultivation & Care Guide

• Planting time: Best planted in autumn or early spring while dormant.
• Sun requirements: Prefers full sun but tolerates partial shade.
• Soil preference: Moist, well-drained soil; neutral to slightly alkaline pH (6.5–7.5).
• Watering: Water regularly during dry spells, especially in the first year.
• Hardiness: Fully hardy in the UK (RHS H7), tolerates winter frosts.
• Fertilising: Apply a balanced fertiliser in early spring as new shoots emerge.
• Pruning: Cut back stems after foliage dies back in autumn; mulch lightly for winter protection.

Design Tips & Companion Planting

• Create bold displays by planting en masse or pair with irises, alliums, or hardy geraniums for a classic cottage garden look.
• The long stems and showy blooms make excellent cut flowers—enjoy indoors as well as out!
• Add peonies to mixed borders or use as a specimen plant for maximum impact.

FAQs

• When is the best time to plant Peony 'Alexander Fleming'?
  The best time is autumn or early spring when plants are dormant and soil is workable.
• How long before peonies bloom after planting?
  You may see flowers in the first season, but peonies often reach their best display from the second or third year onwards.
• Do peonies need staking?
  The large double blooms can be heavy; support may be needed, especially in exposed sites or during wet weather.