Purple Granadilla Seeds ~ Passionfruit ~ Maypop ~ Passionflower ~ True Your Plant Bitch Step by step to collect rose seeds! , 1.) Cut open your rose hip using scissors or a knife. You can soften hips by soaking in water prior to cutting. Dont worry about cutting the seeds, they are Of course you can add succulents into your planters! They'll love the summer outside and probably double in size before you bring it in for the winter. How to Grow Roses From Seed