A clump-forming perennial with grey-green leaves. Large, flat lavender-blue flowerheads, frilled at the edges are held on long, strong stems from mid to late summer. Height 60cm. Spread 45cm. Full sun, well-drained soil. Hardy. Attract bees and butterflies.
Scabiosa caucasica ‘Perfecta Blue’ is a beautiful perennial known for its soft lavender-blue pincushion flowers and long flowering period. It is ideal for borders, cottage gardens, and pollinator-friendly planting schemes where it adds colour and movement.
PLANTING and AFTERCARE GUIDE
Best Planting Time
The best time to plant Scabiosa caucasica ‘Perfecta Blue’ is in spring or early autumn. Planting during these periods allows the roots to establish in mild conditions, helping the plant settle in before the main growing or dormant season.
Site Selection
Choose a position in full sun with well-drained soil. Scabiosa performs best in fertile soil that does not become waterlogged. Incorporating compost or organic matter before planting will improve soil structure and nutrient levels.
Planting Instructions
Follow these steps to plant Scabiosa caucasica ‘Perfecta Blue’ successfully:
Dig a hole twice the width of the root ball and the same depth.
Mix compost or well-rotted organic matter into the soil.
Place the plant so the top of the root ball sits level with the soil surface.
Backfill the hole and firm the soil gently.
Water thoroughly after planting to help roots establish.
Watering Requirements
Water regularly during the first growing season while plants establish. Once established, Scabiosa is relatively tolerant of short dry periods but will flower best with occasional watering during prolonged dry spells.
Feeding
Apply a balanced fertiliser in spring to support healthy growth and flowering. A light feed during the flowering season will encourage more blooms and help Scabiosa caucasica ‘Perfecta Blue’ maintain strong, healthy growth.
Pruning and Deadheading
Remove faded flowers regularly to encourage continuous blooming. Cutting back spent stems will keep Scabiosa caucasica ‘Perfecta Blue’ neat and promote further flower production later in the season.
Mulching
Apply a layer of organic mulch around the base of the plant in spring to retain moisture, suppress weeds, and improve soil quality. Mulching also helps maintain good soil structure and growing conditions throughout the season.
Final Tips
Scabiosa caucasica ‘Perfecta Blue’ is a low-maintenance perennial that rewards minimal care with a long flowering display. With sunny conditions, well-drained soil, and regular deadheading, it will thrive and return year after year.
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