Landscaping Under a 2-Foot House Overhang: Shade, Mildew, and Plant Choices

Bi-level home, 2-ft front overhang. Azaleas failed (white mildew, death). Morning sun only. Snow lingers. Wants colorful, mildew-resistant plants.

Diagnose the Mildew

Powdery mildew thrives on humid nights, wet foliage. Causes: evening watering, poor air flow, susceptible varieties. Fixes:

• Water morning only.
• Thin plants for airflow.
• Spray: 1 tsp baking soda + ½ tsp liquid soap + 1 gal water (weekly). Or milk spray (1:9 milk:water). Or commercial fungicide labeled for powdery mildew.
• Check siding for mold—same conditions affect both.

Better Plants for Overhang Zone (Morning Sun, Zone 5–6)

• Rhododendron (compact): 'PJM', 'Olga Mezitt' – tougher than azaleas.
• Helleborus (Lenten rose): Evergreen, winter/spring flowers, dry shade tolerant.
• Heuchera (coral bells): Foliage color all season, flowers.
• Epimedium (barrenwort): Indestructible ground cover.
• Hakonechloa (Japanese forest grass): 'Aureola' – gold, cascading.
• Ferns: Christmas fern, autumn fern – evergreen structure.

Installation Tips

• Cut circling roots at planting.
• Dig 2× wide hole, same depth.
• Amend with compost.
• Lime if dog urine present.

Expert: Brandon Swisher | BMSwisher@aol.com