Graced with vineyards (notably Bardolino), lemon trees, olives, and cedars, the lake enjoys mild winters and mellow summers.
The lemon trees that encircle the area produce fruit year-round. 
mnli hypothesis: The lemon trees that encircle the area produce fruit year-round.  premise: Graced with vineyards (notably Bardolino), lemon trees, olives, and cedars, the lake enjoys mild winters and mellow summers.