blossomed russian

• раскры́вшийся

  opened, blossomed, unfolded

• расцвети́вший

  bloomed, blossomed, flowering, full-blown

• расцвётший

  bloomed, blossomed, in full bloom

  flourished, at its peak, in its prime

• цвётший

  bloomed, blossomed, flowered

Examples

• Ро́за расцвела́?Has the rose blossomed?
• Ро́за зацвела́?Has the rose blossomed?