Hydrangea macrophylla 'Cityline Mars' (also known as 'Cityline Ramars') is a striking member of the Cityline® series, distinguished by its dramatic bicolor mophead flowers: each sterile floret is deep pink to red with a distinct, crisp white margin—a picotee pattern that creates a starry, celestial effect.
The mophead inflorescences are large, 6–8 inches across, composed of broad sterile florets. Each floret displays a rich pink-red base color (intensity varies with soil pH) cleanly edged in pure white. The effect is reminiscent of a star-studded night sky—hence the name "Mars." As flowers age, the white margins persist while the centers deepen to burgundy. The pattern is genetically stable and not significantly pH-dependent.
The plant is dwarf and compact, 1–2 feet tall and wide, with sturdy stems and dark green, disease-resistant foliage—typical of the Cityline® series bred for container and small-space gardening.
Bred for containers, balconies, and small gardens, Cityline® Mars thrives in pots with regular watering and feeding. In ground: morning sun or bright shade, rich moist soil, USDA zones 5–9. Blooms on old wood. The compact habit never needs shaping.
The bold picotee pattern delivers immediate visual impact—no waiting for maturity. Perfect for patio containers, entryway plantings, or as a colorful edging. The "starry" flowers are spectacular in cut arrangements. A cultivar that brings the cosmos down to earth.
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