Chrysanthemum ‘Red Cassandra’ is a striking and elegant variety, beloved for its bold color and classic form. This cultivar is often sought after by enthusiasts who appreciate deep, rich tones in the garden or vase during the late season, when many other plants have faded.
Blooming Period: April to May
Growing Options: Can be grown in the ground or in pots
Blooming Period: April to May
Growing Options: Can be grown in the ground or in pots
- Bloom Size: Large (often 14 cm across)
- Colour: Deep Red tones
- Growth Habit: Upright, vigorous growth
- Flowering Period: Typically autumn (April to May)
- Light: Prefers full sun, at least 6 hours daily.
- Soil: Well-draining, rich in organic matter, slightly acidic to neutral pH (6.0–7.0).
- Spacing: 30–45 cm apart to allow air circulation.
- Watering: Keep soil evenly moist but not soggy. Avoid overhead watering to prevent fungal diseases.
- Feeding:
- Early growth: High-nitrogen fertilizer for leafy growth.
- Mid-season: Balanced fertilizer (NPK 10-10-10 or similar).
- Budding stage: High-potassium fertilizer to enhance bloom quality.
- Pinching:
- Pinch out the growing tips when plants reach 15 cm tall to encourage bushier growth.
- January 20th or before cut back again to approx 15cm above soil level.
- Disbudding: Remove side buds if aiming for large show blooms.
- Due to its tall stems and heavy flowers, use stakes or grow through support rings or flower support netting.
- Common Pests: Aphids, thrips, spider mites – treat with insecticidal soap, neem oil or your favourite insecticides and fungicides.
- Diseases: Watch for powdery mildew and botrytis; ensure good airflow and avoid wet foliage.
- Shading: In NZ conditions, shading can extend the bloom season for exhibition timing.