Rhododendron Broxton 247
Rhododendron Broxton 247 makes a bold spring display, opening huge satin flowers in purple-pink, each marked with an unusual showy blotch of deep purple on the upper petal. The large trusses appear around October and stand out strongly against the foliage. This is a vigorous, upright rhododendron that grows into a substantial shrub.
With its size and strong colour, Broxton 247 works as a feature shrub, a background planting in a larger border, or an informal screen in a shaded part of the garden. It suits woodland gardens, cottage borders, and established shade plantings, and gives height and presence where a dwarf rhododendron would be lost. Allow it room rather than crowding it into a tight courtyard.
Plant in dappled shade or morning sun in free-draining, acidic soil enriched with compost or leaf mould. Shelter from harsh afternoon sun and drying wind protects the large flowers, and annual mulching keeps the shallow roots cool. Rhododendron foliage is toxic to cats and dogs if eaten in quantity.
Broxton 247 reaches around 2 m tall and wide at maturity, making a strong, established shrub over time.
Trimming: Rhododendrons need very little pruning. After flowering in spring, remove any dead, damaged, or crossing stems and lightly shape to keep the form neat. Avoid cutting hard into old, bare wood, as rhododendrons can be slow to reshoot from it.
Deadheading: Deadheading is not essential. If you have time, snap off the spent flower trusses by hand once flowering finishes, which tidies the plant and channels energy into next season's growth rather than seed. Take care not to damage the new buds forming just below.
Fertilising: Feed in early spring with a fertiliser made for acid-loving plants, such as rhododendron, azalea, and camellia food. A second light feed after flowering supports new growth. Avoid lime and high-nitrogen lawn fertilisers, which the shallow roots dislike.
Watering: Keep the soil evenly moist, especially through the first two summers and in dry spells. The shallow, fibrous roots dry out quickly, so water deeply and mulch with bark or leaf mould to hold moisture. Rainwater is better than hard tap water where possible.
Pest Control: Thrips are the main concern in NZ, silvering the upper leaf surface in warm, dry weather, while two-spotted mite and scale insects can also appear. Treat with horticultural oil, keep plants well watered, and improve airflow around the foliage.
Disease Management: Most problems trace back to soil and drainage. Phytophthora root rot causes wilting and dieback in wet, heavy ground, so plant in free-draining soil or a raised position. Petal blight can mark the flowers in warm, humid spring weather; remove affected flowers promptly.
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