100% Linen Pinch Pleated Curtains© amazon.com a woman looking at swatches for window treatments© Maribeth Jones for Country Living Before© Maribeth Jones for Country Living ...

The choices for solid curtains are numerous, head-spinning really—it seems like every big-box and DTC brand has its own take on a linen drape in neutral colors. But a striped curtain?

A more formal room may call for drapery with lavish pleats, but for the relaxed, traditional look Mr. Arnold usually prefers, he likes to keep it simple: “I’ll do a single pinch pleat just an ...