Landscaping Drainage Trenches: French Drain with Gravel vs. Open Swale with Shrubs

Zone 2A. Backyard lower than neighbors; water drains in after heavy rain. Built up soil before, but record wet spring returned problem. Dug trenches 3' wide × 20' long along fences to low point. Kids play boats. Wants landscaping ideas for trenches.

Option 1: French Drain (Maintenance-Free)

1. Lay 6' wide landscape fabric in trench.
2. Place 2–3 perforated 4" drain pipes.
3. Fill with coarse gravel.
4. Fold fabric over top, cover gaps, top with gravel.

Pipes protected from debris; never need attention again.

Option 2: Open Swale

Plant hardy shrubs along edges to cover. Clean occasionally. If water stands >few hours, extend to natural runoff. Or bury drain pipe if surface ditch unacceptable.