Alert: Limited Online Availability

Now that summer is here, we have limited our stock for online purchase. Find Monrovia plants at your local garden center. Pre-order for 2023 will be available later this year. ×

We no longer grow this plant.
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Cityline® Rio Bigleaf Hydrangea

Hydrangea macrophylla 'Ragra'

SKU
07454
This compact early-blooming Hydrangea has one of the best blue-colored flowers and attractive glossy foliage. It has a striking green eye when opening, is long-blooming, and extremely mildew resistant. Adds drama to mixed containers, borders, or cut flower arrangements.
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5-9

Your climate might be too cold for this plant:

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Filtered sun, Full sun, Partial shade, Partial sun

Requires regular watering.

THIS PLANT MAY BE AVAILABLE IN THESE STORES:

Due to the seasonal nature of plants, availability at your local garden center is not guaranteed. Give them a call before visiting.

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More Information
Average Size at MaturityReaches 2 to 3 ft. tall and wide.
Bloom TimeSummer
Deciduous/ EvergreenDeciduous
Flower AttributeFlowers for Cutting, Showy Flowers
Flower ColorBlue
Foliage ColorGreen
Garden StyleCottage
Growth HabitCompact, Rounded
Growth RateModerate
Landscape UseBorder, Container, Specimen, Woodland Garden, Cutting Garden, Coastal Exposure
Light NeedsFiltered sun, Full sun, Partial shade, Partial sun
Soil NeedsTree & Shrub Food
Special FeatureClump Forming, Dense Habit, Dwarf Plant, Gift Plant, Improved Disease Resistance, Compact Form
Water NeedsModerate
Watering NeedsRequires regular watering.

Prefers moist, well-drained amended soil. Add aluminum sulfate to soil to encourage blue flower color. Prune after flowering. Protect over winter in North. Fertilizer in spring.

This Plant's Growing Zones: 5-9

USDA Cold Hardiness Zone Map

Your USDA Cold Hardiness Zone:

Your climate may be too cold for this plant