Description
Blue Billow Hydrangea is a compact hardy deciduous shrub with a dense habit of rich green foliage that earns burgundy hues in fall. The lace-cap flowers freely bloom on old wood in summer with an opening color that depends on the PH of the soil- in acidic soils the flowers will be light blue while alkaline flowers will be light pink- before maturing to crimson.Best bloom in partial sun and rich, moist well-drained soils.
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Type: |
Shrub |
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Origins: |
Japan |
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Height: |
3′ – 4′ |
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Spread: |
3′ – 4’ |
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Spacing: |
3.5′ |
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USDA Hardiness Zone: |
5 – 8 |
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Culture: |
Full Sun, Part Sun |
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Bloom Color: |
Blue (Acidic)/Pink (Alkaline) |
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Season of Interest: |
Summer, Fall |
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, Deutzia, Host
IMAGES: Agnieszka Kwiecień, Nova, Hydrangea serrata ‘Blue Billow’ Hortensja piłkowana 2016-07-23 01, CC BY-SA 4.0, (2) Photoset by Michele Dorsey Walfred, (1) h.serrata blue billow, (2) H. Serrata “blue billow” This one propagates itself! I have many babies!
*As plants have ranges in appearance they may not appear as the images shown.
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