Shrubs

Hydrangea macrophylla 'Stragrum'

Wee Bit Grumpy® bigleaf hydrangea

Wee Bit Grumpy® bigleaf hydrangea. Photo courtesy of Proven Winners.

Large, richly colored flower heads sit above a neat mound of glossy, dark green foliage. Blooms can be red in neutral to alkaline soil or purple in acidic conditions. Its small stature provides summer color without the bulk of a large shrub.

At a glance

Sun: Part sun to sun; afternoon shade in hot sites
Mature size: 2 ft. tall × 30 in. wide
Water: Even moisture; well-drained soil
Hardiness: USDA zones 5–9
Bloom: Red to purple, depending on soil; summer

Sizes & prices

#3$49.99

Catalog updated September 8, 2026. This is not a live stock count; please call to confirm availability and price.

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Resistance & tolerances

Deer: Susceptible to browsing; protect where deer are active.
Wet soil: Does not tolerate waterlogged conditions.
Salt: Listed as salt tolerant by the breeder.

Resistance is not a guarantee; deer and rabbits may browse any plant.

Seasonal interest

Foliage: Deciduous; green leaves.

Growing & care

Pruning: Avoid routine pruning; remove winter-damaged stems in spring once live growth is clear.
Flowering wood: Old growth.
Flower color: Test soil before trying to change flower color; acidity and available aluminum both matter.

Sources & photo credits

Proven Winners

NC State Extension

Photo: Photo courtesy of Proven Winners · Authorized nursery promotional use

Reviewed September 21, 2026. Growing conditions vary by location.