Alyssoides utriculata

A low-growing perennial with fragrant yellow flowers in spring and unique papery, ball-like seed pods, perfect for sunny, rocky gardens with its silvery-green foliage adding year-round texture.

Turkey and Southern Europe. Greek bladderpod or inflated bladderseed, is a drought-tolerant, low-growing perennial from the mustard family (Brassicaceae), known for its fragrant yellow flowers in spring and distinctive, papery, bladder-like seed pods, ideal for rock gardens and xeriscaping in sunny, well-drained spots. Hardy and thrives in rocky, calcareous soils, adding texture with its silvery-green foliage and decorative seed heads.

Image from the Berlin Botanic Gardens