• Geranium × johnsonii &
  • Geranium × johnsonii &
1 3

Geranium × johnsonii 'Johnson's Blue'

Cranesbill

£6.99
£6.99
Geranium × johnsonii 'Johnson's Blue' is a reliable perennial, cherished for its vibrant blue flowers and finely cut foliage, bringing long-lasting colour to borders and cottage gardens.
  • Low-maintenance and easy to grow
  • Excellent ground cover with attractive foliage
  • Great for pollinators, especially bees and butterflies
Size

    • Aspect

      Full sun to partial shade

    • Hardiness

      Hardy

    • Flowers

      May, June, July

    • Soil type

      Moist but well-drained, Loamy, Chalky

    Geranium × johnsonii &
    Geranium × johnsonii &

    • Why we like this plant

      Geranium 'Johnson's Blue' is an enduring favourite in gardens due to its long flowering season, adaptability, and ease of care. It adds soft, informal charm to beds and borders, is excellent for pollinators, and provides year-round interest with its seasonal foliage changes.

    • About this plant

      'Johnson's Blue' is a much-loved perennial geranium, known for its profusion of large, violet-blue flowers with delicate veining. It forms an attractive, spreading mound of deeply lobed green foliage that turns reddish in autumn. Flowering generously from late spring into early summer, this variety is perfect for softening the edges of borders, filling gaps in cottage gardens, or providing ground cover beneath shrubs. Low-maintenance and easy to grow, it is an excellent choice for both novice and experienced gardeners.

    • Key features

      • Vibrant violet-blue flowers with delicate veining
      • Attractive, deeply lobed green foliage
      • Spreading habit, ideal for ground cover
      • Turns reddish in autumn for seasonal interest
      • Pollinator-friendly, attracting bees and butterflies

    • Height and
      spread

    • Growth
      habit

      Spreading, clump-forming

    • Moisture

      Prefers moderate moisture; drought tolerant once established

    • Position in
      the Garden

      Borders, cottage gardens, ground cover, wildlife-friendly areas

    Planting guide

    • Plant in well-drained soil, enriched with organic matter
    • Space plants around 40-50cm apart to allow for spreading
    • Best planted in spring or autumn for strong establishment

    Care tips

    • Cut back after flowering to encourage fresh foliage
    • Divide clumps every few years to maintain vigour
    • Water during dry spells but avoid waterlogging
    • Minimal feeding required – a general-purpose fertiliser in spring is sufficient
    • Deadheading is not necessary but can prolong flowering

    Winter care

    • Foliage dies back in winter; cut back in autumn if preferred
    • Mulch lightly in very cold regions for added protection
    • Resilient to frost and typically returns strongly in spring