A 75-ft retaining wall in New Jersey needs screening 12–15 ft tall. The owner considers 'Emerald Green' arborvitae, a vinyl fence with fruit trees, or a fresh idea. Property extends only 4 ft behind the wall.
| Plant | Spacing | Qty (75 ft) | Height | Notes |
|---|
| Thuja occidentalis 'Emerald Green' | 3 ft | 25 | 15–20 ft | Narrow, formal, deer-resistant |
| Thuja 'Green Giant' | 4–5 ft | 15–18 | 20+ ft | Faster, wider, may need topping |
| Cupressocyparis leylandii | 4 ft | 18 | 15–20 ft | Fast, but disease-prone in NJ humidity |
'Emerald Green' is the safest bet: narrow, predictable, long-lived.
Soften the Wall Face
Plant vines at the base to spill over: Clematis 'Jackmanii', Polygonum aubertii (silver lace vine), or Parthenocissus tricuspidata (Boston ivy). Avoid Virginia creeper—it climbs up, not down.
Espaliered Fruit Alternative
Train pear/apple/peach flat against a 6-ft vinyl fence, 5–7 ft apart. Unique, productive, but deciduous (no winter screen) and requires annual pruning skill. Not low-maintenance.
Planting on the Wall
- Backfill behind wall: 12″ gravel drain + filter fabric + 12″ planting soil.
- Plant root balls 12″ back from wall face.
- Irrigate with drip line.
25 'Emerald Green' arborvitae + clematis at the base = year-round screen, softened wall, fits 4-ft depth, low maintenance.
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