Hydrangea macrophylla 'Abracadabra Star'

Species

Hydrangea macrophyllaBigleaf Hydrangea

50 other cultivars

shrub

Abracadabra Star Hydrangea

Hydrangea macrophylla 'Abracadabra Star'

The Story

Plant Bio

Deciduous shrub known for its large, beautiful flowers.

Features unique double, star-shaped florets on strong, black stems that provide a stunning contrast. Flower color is pH-dependent, ranging from pink in alkaline soils to blue in acidic soils.

Uses & Benefits:

Hydrangea macrophylla Abracadabra Star provides vibrant, large blooms that enhance garden aesthetics and serve as focal points.

Its adaptable nature makes it suitable for shaded areas where other plants may struggle.

Supports pollinators like bees and butterflies during its bloom season.

SpeciesHydrangea macrophyllaBigleaf Hydrangea

Essentials

At a Glance

Plant Type

Shrub

Height

48 inches

Width

36 inches

Light

Partial Sun, Shade

Zones

5, 6, 7, 8, 9

Water

Consistent moisture, avoid drought stress

Humidity

Prefers moderate humidity

Lifespan

Long-lived perennial

Native To

Japan

Toxicity

All parts of the plant contain cyanogenic glycosides and are toxic if ingested by humans or pets.

Bloom period

Mid-summer – Late summer

In flower about 2 months of the year

Planting

How to Grow

Choose a location with partial shade and well-draining soil.
Tuck bare roots or seedlings into the soil, keeping the crown level with the ground.
Water thoroughly after planting to settle the soil around roots.
Apply mulch to retain moisture and regulate soil temperature.
Fertilize in early spring with a balanced, slow-release fertilizer.
Prune after flowering to maintain shape and remove dead or damaged stems.

Pro Tip

Water evenly during dry spells and avoid over-fertilizing to promote vibrant blooms.

Keep It Thriving

Care Guide

Do

Water consistently to keep soil moist but not soggy 🌱
Prune lightly after flowering to shape the plant
Apply mulch annually to conserve moisture
Fertilize in early spring with a balanced fertilizer

Don't

Avoid overhead watering to prevent fungal diseases ❌
Don’t prune in late fall or winter
Never let the soil dry out completely
Avoid using high nitrogen fertilizers which can promote foliage over blooms

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Fertilize
Prune
Spring Cleanup
Winter Prep

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vivid border with lush, flowering shrubsShade-loving hedge for privacyDecorative foundation plant

Companion Plants

Hostas Ferns Astilbe HeucheraJapanese Forest Grass

Multiply

Propagation Methods

Good to Know

Common Questions

Abracadabra Star Hydrangea questions

What zones can Abracadabra Star Hydrangea grow in?

Abracadabra Star Hydrangea is hardy in USDA Zones 5–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Abracadabra Star Hydrangea deer resistant?

Yes — Abracadabra Star Hydrangea is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Abracadabra Star Hydrangea bloom?

Abracadabra Star Hydrangea typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Abracadabra Star Hydrangea need full sun?

Abracadabra Star Hydrangea does best in part shade.