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Normal Interior Browning in Newly Planted Arborvitae

Natural Needle Shed, Not Spider Damage

A gardener planted 4-foot arborvitae in July with daily watering; interior browning appears, with cobwebs noted.

Beneficial Spiders, Normal Shedding

Ed Gulliksen confirms: inner browning is normal—evergreens shed less-productive inner foliage. Spiders are beneficial predators controlling harmful insects. Leave them alone.

Shrubs: Heeling In Sale Shrubs for Winter on Long Island; Renovating Overgrown Boxwood Shrubs: Gradual Pruning; Cedar Shrubs in Planters: Long-Term Care and Overwintering; Transplanting Blue Rug Juniper & Crape Myrtle in Atlanta: Wait for Fall; Overwintering Container Shrubs in Cold Climates: Blueberry and Arborvitae; Diagnosing Browning Arborvitae Planted Last Fall; Arborvitae Row with Center Dieback: Drainage Problem Suspected; Planting Privet Shrubs: Site Selection and Root Concerns; Repeated Arborvitae Failure in Maine: Soil Drainage and Fertilizer Errors; Heeling In Shrubs During Construction: Preserving Plants for Replanting

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