Nikko Blue Hydrangea
Shrub

Nikko Blue Hydrangea

Hydrangea macrophylla 'Nikko Blue'

The classic blue mophead. Rich, true blue in acidic soil. A cottage garden essential.

Bloom Season
Jun - Aug
JFMAMJJASOND
Sun Requirements
Part Sun4-6 hours
Part Shade2-4 hours
Water Needs
Moderate
Regular watering
Size & Zones
4-6' tall
USDA Zones 5-9
Bloom Colors
Blue
Traits
Cut Flower
Soil
ClayLoam
Where to buy
Find Nikko Blue Hydrangea plants on Amazon.
Shop on Amazon →
As an Amazon Associate, What's Bloomin' earns from qualifying purchases. Prices and availability are set by Amazon.
Other Hydrangea Varieties
Endless Summer Hydrangea
Endless Summer
Reblooms on old and new wood, so you get flowers even after a harsh winter.
Limelight Hydrangea
Limelight
Cone-shaped blooms open chartreuse, mature to white, then blush pink in fall.
Annabelle Hydrangea
Annabelle
Enormous snowball blooms on a native species.
Incrediball Hydrangea
Incrediball
Annabelle's bigger sibling with stronger stems that don't flop.
Little Lime Hydrangea
Little Lime
Compact Limelight.
Bobo Hydrangea
Bobo
Dwarf paniculata smothered in blooms.
Quick Fire Hydrangea
Quick Fire
Blooms a full month before other paniculatas.
Pinky Winky Hydrangea
Pinky Winky
Two-tone blooms with white tips and pink bases.
Strawberry Sundae Hydrangea
Strawberry Sundae
Compact paniculata cones open creamy white, blush pink in summer, then deepen to strawberry red as fall arrives.
Tuff Stuff Hydrangea
Tuff Stuff
Reblooming mountain hydrangea with delicate lacecap blooms.
Invincibelle Spirit II Hydrangea
Invincibelle Spirit II
The first pink Annabelle-type hydrangea, with strong stems holding hot-pink globe blooms upright through the season.
Vanilla Strawberry Hydrangea
Vanilla Strawberry
Cone blooms open creamy white, age to soft pink, then deepen to strawberry red while new white cones keep emerging above them.
Phantom Hydrangea
Phantom
Huge cone blooms up to 15 inches long open white and age to dusty pink.
Fire Light Hydrangea
Fire Light
Upright cones open pure white and transform to deep pomegranate red as the season ages.
Little Quick Fire Hydrangea
Little Quick Fire
Compact form of Quick Fire that blooms early on a container-sized plant.
Pairs Well With
Hosta
Perennial
Astilbe
Perennial
Ostrich Fern
Perennial
You Might Also Like
Butterfly BushJun-Oct
Butterfly Bush
Shrub · Z5-10
Endless Summer HydrangeaJun-Sep
Endless Summer Hydrangea
Shrub · Z4-9
Tuff Stuff HydrangeaJun-Oct
Tuff Stuff Hydrangea
Shrub · Z5-9
Rose of SharonJul-Oct
Rose of Sharon
Shrub · Z5-10
Explore More
ColorBlue flowers
TypeAll shrubs
TraitsCut Flower
MonthsWhat blooms in JunWhat blooms in JulWhat blooms in Aug
The Garden Newsletter

What's growing, what's blooming, what's worth planting.

For gardeners who like to stay ahead.