A compact, deciduous perennial with round globes of mauve blue flowers with deep coloured stripes from midsummer to autumn. Height 50cm. Full sun, moist, well drained soil. Benefits from an autumn mulch to protect the crown.
Agapanthus ‘Star Quality’ is a compact deciduous perennial known for its stunning round clusters of mauve-blue flowers, highlighted with deep-coloured stripes. Perfect for adding vibrant colour to garden beds, borders, and containers, Agapanthus ‘Star Quality’ thrives with the right care and conditions.
PLANTING and AFTERCARE GUIDE
Best Planting Time
Spring: Plant Agapanthus ‘Star Quality’ in early spring after the risk of frost has passed. This gives the plant ample time to establish roots before the summer flowering season.
Autumn: You can also plant Agapanthus in autumn. This allows the plant to develop a strong root system before winter dormancy, ensuring a robust display of blooms the following year.
Site Selection
Sunlight: Agapanthus ‘Star Quality’ performs best in full sun. Choose a location that receives at least 6 hours of direct sunlight daily to encourage healthy growth and abundant flower production.
Soil: Well-drained soil is essential for Agapanthus. It prefers loamy or sandy soil, but will adapt to a range of soil types as long as they provide good drainage. Avoid areas prone to water logging, as this can cause root rot.
Planting Instructions
Preparing the Hole: Dig a hole twice as wide and just as deep as the root ball the plant. This provides enough space for the roots to spread comfortably.
Soil Preparation: Mix organic compost or well-rotted manure into the existing soil to improve fertility and drainage. This will give your Agapanthus the nutrients it needs for healthy growth and vibrant flowers.
Planting: Place the Agapanthus in the hole so that the top of the root ball is level with the surrounding soil. Backfill the hole with soil, firming it gently around the roots to eliminate air pockets.
Watering: Water thoroughly after planting to help the soil settle around the roots. Keep the soil consistently moist, but not waterlogged, as the plant establishes.
Watering
Growing Season: Once established, Agapanthus is moderately drought tolerant. Water deeply once a week during dry periods, making sure the soil remains moist but not soggy. Consistent watering during the growing season promotes lush foliage and an impressive floral display.
Dormant Season: During the dormant period, reduce watering. Allow the soil to dry out slightly between waterings, but do not let it become completely dry.
Feeding
Spring: Apply a balanced, slow-release fertiliser in early spring to support new growth and flowering. This will help Agapanthus ‘Star Quality’ produce abundant and vibrant blooms throughout the growing season.
Mid-Summer: A light feeding in mid-summer can boost flower production and maintain plant vigour. Avoid fertilising, as this can lead to excessive leaf growth at the expense of flowers.
Pruning and Maintenance
Deadheading: Remove spent flower stalks to encourage continuous blooming and maintain a neat appearance. This helps the plant direct its energy into producing new flowers rather than seed development.
Winter Care: In colder regions, apply a thick layer of mulch around the base of Agapanthus ‘Star Quality’ in late autumn. This protects the crown from freezing temperatures and frost damage. If grown in containers, consider moving the plant to a sheltered area during the winter months.
Mulching
Apply a 2-3 inch layer of organic mulch around the base of Agapanthus ‘Star Quality’ in spring. This helps retain moisture, suppress weeds, and regulate soil temperature. Replenish the mulch layer as needed to keep the roots protected and the soil healthy.
Supporting the Plant
Agapanthus ‘Star Quality’ typically has strong stems, but if grown in an exposed or windy location, staking may be necessary. Support tall flower stems with stakes to prevent them from bending or breaking, ensuring a long-lasting and beautiful display.
Agapanthus ‘Star Quality’ is a low-maintenance perennial that brings elegant colour and form to any garden space. By providing the right conditions and care, you can enjoy a spectacular show of mauve-blue flowers from midsummer to autumn. With its compact size and stunning blooms, Agapanthus ‘Star Quality’ is ideal for borders, patio containers, and small gardens.
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Fiona Leslie (verified owner) –