Product description

Pinus strobus 'Sea Urchin' is a dwarf, slow-growing cultivar of the eastern white pine, highly valued in contemporary landscape architecture for its compact, globose habit and distinctively dense foliage. The needle coloration is characteristically glaucous blue-green, remaining vibrant throughout the seasonal cycle. Over a ten-year cultivation period, specimens typically attain a height and spread of approximately 50 to 80 centimeters, maintaining a naturally symmetrical, hemispherical form that requires minimal structural pruning. Due to its diminutive scale and refined textural qualities, this cultivar is particularly suited for rock gardens, container cultivation, and specialized conifer collections.

Habitat and Cultivation Requirements

Optimal growth is achieved in full sun to very light partial shade, ensuring maximum needle density and coloration. Pinus strobus 'Sea Urchin' requires well-drained soils with a moderately acidic to neutral pH, tolerating sandy loam as well as clay-loam substrates, provided they do not suffer from prolonged water retention. Once established, the root system demonstrates moderate drought tolerance, though supplemental irrigation is recommended during extended periods of summer dryness. The cultivar exhibits high winter hardiness, corresponding to USDA Zone 3 through 8, and shows good resistance to urban pollution, making it a reliable specimen for diverse microclimates.

Specification

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Pinus strobus Sea Urchin 4 years | C5 | 20-30 cm

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