3 Indoor Winter Garden Ideas to do nowâ€¦ Plant Bulbs. In the late fall, I usually pick up some spring blooming bulbs to plant. And then the fall and holiday activities take over and I forget to plant some of the bulbs. So now is a great time to force those bulbs to bloom indoors. 3 Indoor Winter Garden Ideas - Pinecone Cottage Retreat Please note: You are currently browsing img 21 beautiful winter gardens with snow capped plants and that is 625x441px in size. This image is listed in winter garden ideas category. 3 Indoor Winter Garden Ideas Pinecone Cottage Retreat, 625x441 in 49.02 KB.