Grandiflorum Catawba Rhododendron
Rhododendron catawbiense 'Grandiflorum' (H-1)
Description | Beautiful clusters of large, long-lasting, lilac-purple, trumpet-shaped flowers with lightly speckled throats on an attractive, vigorous evergreen shrub with dense, deep green foliage. Excellent as an accent or background shrub in a mixed border or foundation planting, en masse as a showy group planting, or as an informal hedge. |
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Light | Partial sun |
Watering | Keep soil moist, but not soggy. |
Blooms | Spring |
Mature Size | Moderate growing; reaches 5 to 6 ft. tall and wide. |
Deciduous/Evergreen | Evergreen |
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Special Features | Easy Care, North American Native Selection |
Growth Rate | Moderate |
Flower Attributes | Showy Flowers |
Landscape Use | Border, Hedge |
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Flower Color | Purple |
Foliage Color | Green |
Companion Plants | Hydrangea (Hydrangea); Holly (Ilex); Astilbe (Astilbe); Bleeding Heart (Dicentra); Coral Bells (Heuchera) |
Care | Provide organically rich, acidic, well-drained soil with a thick layer of mulch to keep roots cool, avoiding the crown. Protect from harsh afternoon sun. Water deeply, regularly in first growing season to establish an extensive root system; once established, prefers evenly moist but not soggy soil. Apply an acid fertilizer after bloom. |
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This Plant's Growing Zones: 4-8

Your USDA Cold Hardiness Zone:
Your climate may be too cold for this plant
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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.