When a Flower Doesn’t Grow, the full-length debut from Ontario indie rock duo Softcult, is a collection of introspective alt-rock that balances heavy riffs with jangling melodies. “I’m looking up through a pinhole down at the bottom,” Mercedes sings through a thick wall of sound that renders individual notes unintelligible. “She doesn’t know how to love you. “All you wanted was the feel the rain on the wrong side of the windowpane,” Mercedes sings. “When a flower doesn’t grow, do we blame the dying rose?