Aster novi-belgii Milka is a compact perennial that produces a generous display of soft lilac, daisy-like flowers with bright yellow centres from late Summer through Autumn. Its delicate tones and reliable flowering make it an ideal choice for softening borders and brightening late-season garden beds.
Well-suited to cottage gardens, perennial borders, and pollinator-friendly plantings, Milka prefers full sun and moist, well-drained soil. Regular watering during dry spells helps maintain flower quality. Space plants 30–40cm apart for best performance and airflow.
Matures to approximately 40cm tall and 40cm wide, forming a neat, floriferous clump.
Trimming: Cut back stems to about one-third after flowering to maintain shape and encourage bushier growth. In late autumn or early winter, trim spent growth to ground level to prepare for dormancy.
Deadheading: Regularly remove spent flowers during the flowering season to extend flowering and keep the plant looking neat.
Fertilising: Feed with a balanced, slow-release fertiliser in early spring. Avoid over-fertilising, which can lead to lush foliage at the expense of flowers.
Watering: Water well during establishment and in dry periods, especially in summer when flowering. Keep soil evenly moist but well-drained.
Pest Control: Watch for aphids and mites, particularly during warm, dry weather. Use insecticidal soap or encourage natural predators like ladybirds.
Disease Management: Susceptible to powdery mildew, especially in humid conditions. Ensure good air circulation, avoid overhead watering, and use a fungicide if needed. Remove and dispose of any affected foliage to prevent spread.
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