Every garden has gaps that need to be filled from time to time. Whether you are looking for a short-term stand-in while a bed is being reworked or a quick fix after another plant dies, it is nice to have a list of pinch-hitters that can step in and fill space quickly. Listen in as Danielle, Carol, and expert guest Lisa Bauer share some of their favorite choices for gracefully filling the vacancies that are a natural part of a garden’s evolution. Expert guest: Lisa Bauer is the owner of Chartreuse Garden Design in Seattle.   Danielle’s Plants Spider flower/Cleome (Cleome hassleriana and cvs., annual) Appalachian sedge (Carex appalachica, Zones 3-7) Creeping petunia (Petunia  spp. and cvs., annual) Caladium (Caladium  spp. and cvs., Zones 9-11)   Carol’s Plants Prairie dropseed (Sporobolus heterolepis, Zones 3-9) Snow on the mountain (Euphorbia marginata, annual) ‘Strawberry Fields’ gomphrena (Gomphrena ‘Strawberry Fields, annual) ‘Pink Cotton Candy’ betony (Stachys officinalis ‘Pink Cotton Candy’, Zones 4-8)   Expert’s Plants Black Lace® elderberry (Sambucus nigra ‘Eva’, Zones 5-7) ‘Cavatine’ pieris (Pieris japonica ‘Cavatine’, Zones 5-8) ‘Blue Star’ juniper (Juniperus squamata ‘Blue Star’, Zones 4-8) ‘Bressingham White’ bergenia (Bergenia ‘Bressingham White’, Zones 3-8) Liverleaf (Hepatica nobilis, Zones 5-8)