Roses 'Iceberg' is a cultivar bred from several floribunda roses and distinguishable by its clusters of medium-sized, double creamy white flowers. Compared to most rose cultivars, the white blooms give roses 'Iceberg' an icy appearance. The abundant blooms last from spring all the way to winter. This cultivar's versatile growing habit makes the cultivar popular as a shrub or a climber across fences and trellises.
Water:
Roses 'Iceberg' prefers well-hydrated conditions, requiring watering twice a week to avoid waterlogging. While moderately drought-tolerant, it flourishes with higher humidity. Careful watering during its active season is essential to promote healthy blooms and prevent plant stress.
Fertilize:
Fertilize roses 'Iceberg' in early spring with balanced fertilizers, then switch to high nitrogen every 3-4 weeks during growth. Apply every 2 weeks before blooming, reducing frequency afterward. Always water before fertilizing and adjust rates seasonally to promote vigorous growth and disease resistance.
Pruning:
Roses 'Iceberg' features abundant white blooms and needs regular pruning for shape and vigor. Prune in early spring, removing dead wood and overcrowded branches. Cut back previous year's growth by one-third to promote healthy flowering and enhance air circulation, ensuring a vibrant bloom display.
Propagation:
Roses 'Iceberg' is commonly propagated from cuttings. To ensure successful rooting, make a clean diagonal cut near a non-flowering shoot's base, use rooting hormone, and plant in well-draining medium. Maintain adequate moisture and warmth for cuttings to root and grow into independent, similar plants.
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