Diagnosing Gold/Yellow Color in Unknown Foundation Shrubs (IL Zone 5)

New homeowner in IL zone 5 has familiar foundation shrubs (unknown type). One turned goldish with little green this spring; others OK.

Likely Causes (General)

Nutrient deficiency: manganese, iron, or nitrogen. Fix: slow-release tree/shrub fertilizer applied 2× canopy spread.
Fungus/poor drainage: compacted soil. Fix: break up soil, add sand/gypsum.

Soil test kit to pinpoint issue before treating.

Without plant ID or photo, specific diagnosis impossible. Soil test guides correct remedy.

Shrubs: Gardenia Bushes Yellowing and Dropping Leaves: Seasonal, Water, or pH? Three Common Causes; Soil and Light for Burning Bush Fall Color; Why Your Saskatoon Berries Aren't Fruiting: Soil pH Matters; Rescuing Flooded Shrubs and Grasses: Bare-Root Recovery After Trench Flooding; Reviving a Rotting Cyclamen: Light, Water, and Dormancy; Trimming Evergreen Bushes: Timing by Type; Transplanting Large Evergreen Shrubs: Fall Technique for 4×4 Foot Plants; Organic Blueberry Bush Care: Soil, Planting, and Maintenance; Organic Lawn Health: Sugar, Herbs, and Duck-Safe Practices; Creating a Privacy Hedge with Container Evergreens in Portland

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