JohnsonS Blue Cranesbill

Plant Overview

Johnsons Blue Cranesbill is a stunning hardy geranium that produces masses of saucer-shaped, violet-blue flowers from late spring through summer. This long-blooming perennial creates a dense mat of deeply divided, dark green foliage that turns reddish in fall, offering multi-season interest to any garden setting.

Plant Information

• Latin Name: Geranium pratense Johnsons Blue
• Common Name: Johnsons Blue Cranesbill, Hardy Geranium
• Watering Requirements: Medium
• Sun Exposure: Full sun to partial shade
• Soil Conditions: Well-draining, fertile soil
• Mature Plant Height: 45-60 cm (18-24 inches)
• Mature Plant Width: 60-90 cm (24-36 inches)

Plant Care

Johnsons Blue Cranesbill is remarkably low-maintenance once established. Deadhead spent blooms regularly to encourage continuous flowering throughout the season. Cut back foliage in late fall or early spring to maintain a tidy appearance. This plant benefits from division every 3-4 years to maintain vigor and prevent center die-out.

Apply a layer of compost in spring and mulch to retain moisture and suppress weeds. While drought-tolerant once established, consistent moisture during the growing season will promote optimal flowering. No serious pest or disease problems typically affect this hardy perennial.

Planting Instructions

Plant in spring or fall, spacing plants 45-60 cm apart. Dig a hole twice the width of the root ball and at the same depth. Remove the plant from its container and gently loosen the roots. Place in the hole, ensuring the crown is at soil level. Backfill with soil, firm gently, and water thoroughly.

For container planting, use a well-draining potting mix in a container with drainage holes. The container should be at least 30 cm deep and wide to accommodate the plants mature size. Position the plant at the same depth it was growing in its original container.

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