Protected Series:
Zone: 3
BLACK ALDER
Black Alder (Alnus glutinosa) is the ultimate problem-solver for landscape architects and contractors dealing with saturated soils and challenging drainage areas. This hardy tree establishes quickly, developing a handsome, conical silhouette with deep green leaves that persist well into the fall. Because it naturally improves soil quality by fixing its own nitrogen, it boosts the health and vigor of surrounding plantings. Whether it is being used for ground restoration or as a fast-growing screening option for low-lying areas, its dark, fissured bark and unique cone-like fruit provide multi-season interest that stands out in any project.
Black Alder is a high-performance choice for challenging sites, thriving in heavy clay and areas prone to standing water where other species fail. It is remarkably low-maintenance and requires little to no supplemental fertilization once established. For the best results, ensure it is planted in full sun to partial shade and kept consistently moist, especially during the first few growing seasons.
| PLANT | SIZE | TYPE | GALENA | ADD'L | DIG | SOON |
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To help this plant settle in and thrive, we recommend these standard planting practices: Plant in well-draining soil with a slightly acidic pH. Water regularly, but avoid overwatering. Mulch around the base to retain moisture and suppress weeds. Prune in late winter or early spring to maintain shape and promote healthy growth.
AVAILABLE VARIETIES:
No other plants currently in stock for this genus.