Spring is your best bet for island wildflowers.

Yes, most islands have a peak bloom season, and it’s usually spring. But “spring” varies by latitude and climate — for Mediterranean islands like Crete or the Canaries, March–May is prime. For temperate islands in the Pacific Northwest (San Juans, Vancouver Island), April to June brings the show. Tropical islands have less of a sharp peak, but dry season (winter/spring) often yields more blooms.

Common species you’ll see: California poppies, lupines, sea thrift, and paintbrush on West Coast islands. Garlic mustard, bluebells, and wild garlic in the UK. Poppies, daisies, and heather for warmer climates. The star players are usually adaptable, sun-loving plants that thrive on poor soil.

If you can’t time it perfectly, late spring is a safe bet almost anywhere. Summer still has color — just less dramatic. And the mosquitoes will be worse.