Cymbalaria muralis (Kenilworth Ivy, Ivy-leaved Toadflax)

Delicate, trailing blooms perfect for walls, rock gardens, and paving cracks. A charming self-seeder that brings life to overlooked spaces.

Seed Treatment

Cold Stratification: 14–28 days of cold stratification by mixing seeds with moist sand and refrigerating at 35–40°F (2–5°C).
? If seedlings sprout in the bag, gently transplant them into pots or the garden immediately.

Optimum Temperature for Germination
15–20°C (59–68°F)
Keep the soil lightly moist throughout the germination period.

Germination Time: up to 42 days AFTER stratification

Light Requirements
Seeds require light to germinate.
Use grow lights to maintain 12–16 hours of light per day.
Press them gently onto the soil surface — do not cover.

Planting Instructions

  • Sow indoors or outdoors in spring or fall
  • Ideal for crevices, walls, and stone paths
  • Use well-draining soil and avoid heavy covering

Post-Germination Care

  • Keep moist but not waterlogged
  • Thin or transplant when true leaves appear
  • Prefers partial shade; tolerates full sun in cooler climates
  • Once established, it’s drought-tolerant and self-seeds

Quick Facts

  • Perennial (Zones 5–9)
  • Height: 10–15 cm (4–6 in)
  • Spread: Up to 30 cm (12 in)
  • Blooms from spring to fall
  • Excellent for vertical gardens and ground cover