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Grandiflorum Catawba Rhododendron
Rhododendron catawbiense 'Grandiflorum' (H-1)
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| 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. |
|---|---|
| Bloom Time | Spring |
| Deciduous/Evergreen | Evergreen |
| Special Features | Attracts Hummingbirds, Easy Care, Attracts Pollinators |
| Problems/Solutions | Tolerates Urban Pollution |
| Growth Rate | Moderate |
| Flower Attributes | Showy Flowers |
| Landscape Use | Border, Hedge |
| Flower Color | Purple |
| Foliage Color | Green |
| Companion Plants | Hydrangea (Hydrangea); Holly (Ilex); Astilbe (Astilbe); Bleeding Heart (Dicentra); Coral Bells (Heuchera) |
| Care Instructions | 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. |
| 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. |
|---|---|
| Bloom Time | Spring |
| Deciduous/Evergreen | Evergreen |
| Special Features | Attracts Hummingbirds, Easy Care, Attracts Pollinators |
| Problems/Solutions | Tolerates Urban Pollution |
| Growth Rate | Moderate |
| Flower Attributes | Showy Flowers |
| Landscape Use | Border, Hedge |
|---|---|
| Flower Color | Purple |
| Foliage Color | Green |
| Companion Plants | Hydrangea (Hydrangea); Holly (Ilex); Astilbe (Astilbe); Bleeding Heart (Dicentra); Coral Bells (Heuchera) |
| Care Instructions | 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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About Us
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.



