Romance in Bloom: The Most Beautiful Perennial Combinations for May

mixed borders in May

Soft colors and elegant blooms: These perennials flower in May and transform sunny to partially shaded borders into romantic garden scenes in white, pink, and blue — complete with matching combination tips.

 

Why Are White, Pink, and Blue Perennial Combinations so Romantic?

This trio of colors evokes a gentle sense of nostalgia and emotion. Think of delicate spring blossoms, vintage cottage gardens, or bridal bouquets — images that stay with us.

  • White symbolizes purity, lightness, and timeless elegance.
  • Pink radiates softness, love, and femininity — the heart of romance.
  • Blue adds calm, depth, and a dreamy quality, like a quiet evening sky.

Together, they form a soothing, poetic palette that’s both understated and deeply moving. The result: a harmonious, romantic garden look full of feeling.

The Best May-Blooming Perennials for Sun to Part Shade

All featured perennials:

  • Flower reliably in May
  • Thrive in sunny to partially shaded spots
  • Prefer humus-rich, moist, well-drained soil

Combination 1: A Pastel Dream in Pink, White, and Soft Green

  • Lamprocapnos spectabilis – Bleeding Heart: romantic pink heart-shaped blooms
  • Alchemilla mollis – Lady’s Mantle: chartreuse foam of flowers, a soft contrast
  • Astrantia major ‘Roma’ – Masterwort: delicate umbels in soft pink
  • Aquilegia vulgaris ‘Kristall’ – White Columbine with graceful blooms

Look: A delicate mix for borders or woodland edges — light, elegant, and full of charm.

bleeding heart

Combination 2: Romantic & Playful in Pink and Blue

  • Geranium × cantabrigiense ‘Biokovo’ – Pale pink cranesbill, low and spreading
  • Iris sibirica ‘Silver Edge’ – Siberian iris in rich blue with silvery accents
  • Aquilegia vulgaris ‘Blue Barlow’ – Fully double columbine in deep blue
  • Corydalis elata – Sky blue corydalis with a light fragrance

Look: A playful, graceful palette — perfect for dappled light under trees or shrubs.

columbine

Combination 3: Romantic Structure in White and Pink

  • Paeonia officinalis ‘Alba Plena’ – Classic white double peony
  • Astrantia major ‘Florence’ – Light pink masterwort
  • Brunnera macrophylla ‘Jack Frost’ – Heart-shaped silver foliage with spring-blue flowers
  • Allium karataviense ‘Ivory Queen’ – Compact white ornamental onion

Look: A nostalgic, structured planting full of elegance and soft beauty.

forget-me-not, brunnera

Design Tips for a Romantic Garden Bed

  • Vary the height: Place taller plants in the back, lower growers in front
  • Repeat colors and textures: for a soothing, cohesive feel
  • Include foliage contrast: such as silvery or lacy leaves for added depth

These blooming combinations will turn your garden into a romantic escape in May — soft, harmonious, and full of natural poetry.