PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates cold, windy open conditions; avoids prolonged dense shade
Watering
Water deeply when young to establish roots; mature trees are drought-tolerant and need minimal supplemental water
Temperature
Extremely cold-hardy; withstands subarctic winters; avoid prolonged heat above 28°C
Characteristics
- Leaf: Short, blue-green, four-sided needles arranged spirally on young stems
- Cone: Small, cylindrical, pale brown cones hanging downward from upper branches
- Bark: Thin, scaly, gray-brown bark with shallow, irregular furrows
Care Guide
Watering
Water young trees weekly during extended dry spells; established trees need occasional deep watering
Fertilization
Apply slow-release acidic fertilizer once in early spring. Use fertilizer formulated for coniferous trees to maintain acidic soil pH
Eggshell powder topdress：Crush dried eggshells into fine powder; sprinkle lightly on soil surface to boost calcium levels and help maintain slightly acidic soil conditionsPruning
- Remove dead, damaged, or diseased branches in late winter before new growth emerges
- Thin crowded inner branches to improve air circulation and reduce pest risk
- Shape young trees lightly to maintain desired form; avoid heavy pruning of mature trees
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA-verified non-toxic; no adverse effects from ingestion or contact
Humans: No known toxic effects for humans; non-irritating to skin or mouth
Garden Uses & Culture
Culture: N/A
Usage: Ornamental landscape tree, windbreak, Christmas tree, timber production
