Mountain Sentinel Poplar is a deciduous shade tree, a fast-growing screening tree for quick height. Mountain Sentinel Poplar flowers in spring in shades of varies, and performs best in full sun with moderate watering once established. This narrow, upright tree matures to roughly 40-60 feet tall and 8-13.5 feet wide. It is ideal as a feature tree, providing scale, shade, and seasonal colour, offering long-term shade and strong seasonal colour. Once established it needs little attention, making Mountain Sentinel Poplar a dependable choice for Canadian gardens. A layer of mulch helps hold moisture and keeps roots cool in summer.
Mature height: 40-60 feet
Mature width: 8-13.5 feet
Bloom: Varies, spring
Light: Full Sun
Water: Moderate — about 2.5 cm of water per week in the growing season
Hardiness: Zone 2-8
Maintenance: Low maintenance
Pruning: Prune in late winter while dormant to maintain structure and remove crossing branches.
🪴 Planting Instructions: Dig a hole twice as wide as the root ball and no deeper, keeping the top of the root ball level with the surrounding soil. Loosen circling roots before planting, backfill with native soil amended with compost, then water thoroughly to settle. Space plants about 8-13.5 feet apart and keep well watered through the first full season while roots establish. Plant in full sun.
💧 Care & Watering: Water moderate: about 2.5 cm of water per week in the growing season. Mulch to conserve moisture and moderate soil temperature, and feed with a balanced slow-release fertilizer in early spring. Prune in late winter while dormant to maintain structure and remove crossing branches.
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