Magical Ruby Red Bigleaf Hydrangea
Magical Ruby Red Bigleaf Hydrangea (Hydrangea macrophylla 'Kolmaru')
Magical Ruby Red Bigleaf Hydrangea (Hydrangea macrophylla 'Kolmaru') is a deciduous flowering shrub prized for its large, mophead clusters of vivid ruby-red flowers that bloom from early summer through fall. This cultivar provides bold and long-lasting color, making it a standout addition to gardens and landscapes.
Distinctive Features
'Magical Ruby Red' produces abundant mophead flower clusters in striking ruby-red hues that maintain their intense color throughout the blooming season. The dark green, glossy foliage provides a rich backdrop, enhancing the vibrant blooms.
Growing Conditions
- Sun Exposure: Partial shade to full shade; prefers morning sun and afternoon shade
- Soil: Moist, well-drained, fertile soils rich in organic matter
- Water: Moderate; consistent moisture supports healthy growth and abundant flowering
- USDA Hardiness Zones: 5�9
Ideal Uses
- Mixed Borders: Adds vibrant color and texture
- Foundation Plantings: Provides striking floral interest near buildings
- Cut Flowers: Suitable for arrangements with long-lasting blooms
- Specimen Planting: Creates a bold focal point in gardens
- Shade Gardens: Thrives in partially shaded areas
Low Maintenance Care
- Watering: Maintain consistent moisture, especially during dry spells
- Pruning: Prune after flowering to encourage new blooms
- Fertilizing: Apply balanced fertilizer in early spring and mid-summer if needed
- Mulching: Mulch to conserve moisture and suppress weeds
- Protection: Plant in sheltered locations to avoid wind damage
Why Choose Magical Ruby Red Bigleaf Hydrangea?
- Vivid Ruby-Red Flowers: Provides bold and long-lasting summer blooms
- Glossy Foliage: Offers a lush green backdrop to flowers
- Shade Tolerant: Performs well in partial shade environments
- Long Blooming Period: Flowers from early summer through fall
- Pollinator Friendly: Attracts bees and butterflies
Hydrangea macrophylla 'Kolmaru' is a vibrant shrub that enriches gardens with its stunning blooms and lush foliage.

OUR SIZING
Not sure what 2 inch B&B or 30 Gallon Clump really means? This guide breaks down all our plant size terms so you know exactly what to expect, whether you're ordering online or picking up at our nursery. From caliper measurements to container volumes, we've decoded our system to help you shop with confidence.

Plant Detectives Shipping Guide
Nationwide plant shipping made easy. Learn how we ship trees, shrubs, annuals and perennials. No order too big or too small. Fast, careful, and contractor-friendly.