3-Gallon Rock-n-Roll Hydrangea is a deciduous shrub that blooms heavily on both old and new wood and has serrated dark green leaves. the color of the large panicles of mop-head flowers depends on the soil Ph - they are blue in acidic, purple in more neutral soil, and pink in alkaline soils- and bloom in waves in summer attracting pollinators. Best bloom in partial sun and rich, moist well-drained soils.
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Type: |
Shrub |
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Origins: |
East Asia |
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Height: |
4' - 6' |
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Spread: |
4' - 6’ |
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Spacing: |
5’ |
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USDA Hardiness Zone: |
6 - 9 |
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Culture: |
Part Sun |
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Bloom Color: |
Blue (acidic), Pink (alkaline) |
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Season of Interest: |
Summer |
MAINTENANCE NEEDS: Medium Maintenance. Mulch soil to maintain moisture and overwinter. If pruning is needed do so after flowering. Slight susceptibility to bud blight, wilt, leaf spot, and mildew. Aphids are occasional problems.
LANDSCAPE USES: Accents or Group Plantings, Borders, Woodland Gardens, Foundation Plantings, Hedges, Containers.
COMPANION PLANTS: Hibiscus, Itea, Azalea
*As plants have ranges in appearance they may not appear as the images shown.