Sakhalin spruce (Picea glehnii)

Sakhalin spruce

Also known as: Glehn's spruce

The tree has thick cone-shaped branches with a trunk of about 62 to 73 cm in diameter. The buds are usually 3 to 7 mm long, nearly 5 mm wide and have a conical or ovoid form. The tree’s needles are four-sided and a bit curved, mature trees have blunt needles, while young ones have pointed bluish-green ones. The cone has an oblong ovoid or oval form with almost flat base. It is 2 to 4 cm thick and 3.5 to 9 cm long.

Scientific classification

Species

Sakhalin spruce (Picea glehnii)

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Perennial

Lifespan

24 m to 30 m

Plant Height

0 - 25 ℃

Ideal Temperature

Images of Sakhalin spruce

Care Guide for Sakhalin spruce

Every 1-2 weeks

Water

Full sun

Sunlight

0 - 25 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Sakhalin spruce prefers high humidity and moisture-rich environments, thriving with watering every 1-2 weeks. As an evergreen, it maintains foliage year-round and requires consistent hydration for a lush appearance.

Fertilize: Applying base fertilizers before transplanting supports sakhalin spruce's nutrient absorption, especially with bi-weekly nitrogen and phosphorus in the first year. Post-maturity, fertilize 2-4 times yearly. Use organic fertilizer for optimal growth and soil health, and water if the soil dries after application.

Pruning: Sakhalin spruce has dense, evergreen foliage and thrives in cool, moist areas. Prune in early spring, removing dead or damaged branches to enhance air circulation. Light trimming maintains shape and encourages vigorous growth, reducing pest risks for a healthier plant.

Propagation: Propagate sakhalin spruce through cuttings by selecting year-old branches in summer, cut to 10-20 cm. Use a rooting solution and plant in sterilized, moist soil, spaced 20-30 cm apart. Maintain moisture until rooted, then transplant outdoors by early spring of the following year.

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