Corydalis 'Blue Heron' - How to Grow

Corydalis 'Blue Heron' is a lovely perennial known for its delicate blue flowers and fern-like foliage. Here’s how to grow it successfully:

Growing Conditions

• Light: Prefers partial to full shade. Direct sunlight can scorch the leaves.
• Soil: Well-drained, rich in organic matter. A slightly acidic to neutral pH is ideal.
• Water: Keep the soil consistently moist but not soggy. Regular watering is essential, especially in dry spells.

Planting

1. Timing: Best planted in spring or fall.
2. Spacing: Space plants about 12-18 inches apart to allow for spreading.
3. Depth: Plant at the same depth as they were in their nursery pots.

Care

• Fertilization: Use a balanced, slow-release fertilizer in spring.
• Mulching: Apply a layer of mulch to retain moisture and suppress weeds.
• Deadheading: Remove spent flowers to encourage more blooms.

Pests and Diseases

• Generally resistant, but watch for slugs, snails, and aphids. Use organic methods for control if needed.

Propagation

• Divide clumps every few years in early spring or fall to maintain vigour.

Additional Tips

• Companion Planting: Pairs well with ferns, hostas, and other shade-loving plants.
• Season of Interest: Blooms in spring, providing early colour to the garden.

With proper care, Corydalis 'Blue Heron' can thrive and add beautiful colour to your shaded garden areas!