Chiri-san Sue Mountain Hydrangea
Hydrangea serrata 'Chiri-san Sue'
Description | A superb shrub for shade border or woodland garden, valued for abundant bloom. Highly textured foliage covers the mounded form. Fertile flower clusters are encircled by ray florets, blue in acidic soils and pink in more alkaline conditions. Deciduous. |
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Light | Full shade, Partial shade |
Watering | Keep soil moist but not soggy. |
Blooms | Summer |
Mature Size | Slow to moderate growth to 4 ft. tall and wide. |
Deciduous/Evergreen | Deciduous |
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Special Features | Attracts Butterflies, Easy Care |
Growth Rate | Slow |
Flower Attributes | Flowers for Cutting, Repeat Flowering, Showy Flowers |
Landscape Use | Border, Hedge |
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Flower Color | Blue |
Foliage Color | Green |
Companion Plants | Arborvitae (Thuja); Azalea (Azalea); Boxwood (Buxus); Camellia (Camellia); Japanese Maple (Acer) |
Care | Best grown in moisture retentive, well-drained soil. Follow a regular watering schedule during the first growing season to establish an extensive root system. Mulch to keep the root zone cool. Prune spent flowers to promote repeat bloom. |
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Lore | It is often disputed whether Hydrangea serrata is a variety of H. macrophylla, or vice-versa, it is agreed that it is a much hardier species with the ability to bloom on new wood, which in hand makes it highly adaptable to varied climates. |
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This Plant's Growing Zones: 7-9

Your USDA Cold Hardiness Zone:
Your climate may be too cold for this plant
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Check a local Monrovia retailer.
Buy Locally
This plant may be available in these stores:
Due to the seasonal nature of plants, availability at your local garden center is not guaranteed. Give them a call before visiting.
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101 Market 8980 Quantrelle Ave. N.e.
Otsego, MN 55330 -
14th Street Garden Center 793 Jersey Ave.
Jersey City, NJ 07303 -
3rd Avenue Floral & Greenhouse 1110 3rd Ave. West
Dickinson, ND 58601
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Monrovia grows beautiful plants for every region
We have been pioneers and craftsmen in the art of growing plants for nearly
100 years. Since our founding in Southern California by Harry E. Rosedale, Sr.
in 1926, we have been absolutely dedicated and obsessed with quality.
We have been pioneers and craftsmen in the art of growing plants for nearly 100 years. Since our founding in Southern California by Harry E. Rosedale, Sr. in 1926, we have been absolutely dedicated and obsessed with quality.