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| Select Plus International Lilac Nursery Quebec-based grower of species, hybrid and cultivar lilacs, including heirloom and rare varieties. Ships to US. Also sells perennials. | |
| Fox Hill Lilac Nursery Maine lilac nursery growing over 90 different cultivars of lilacs. | ||
| Girard Nurseries Ohio nursery specializing in flowering trees and shrubs, particularly azaleas and rhododendrons. | ||
| Hydrangeas Plus Oregon nursery offering various species and cultivars of hydrangea. | ||
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