Just finished creating a rock garden in front of my house. Its on a slight slope. I just read that I could plant sedum right into the rocks. The soil underneath the base of rocks is clayish soil with roots from the bushes and palm tree that I pulled out ( should rot in a couple of years). I'm about to change everything and hoping you can answer my questions. I read that the sedum needs 18 to 24 inches in spacing for each plant - which if I build a small stone layer around each plant will decrease the space needed as it will creep over the rocks. Have to come up with a new design.
What I have done so far - I put several bags of pea gravel and then river rock pebbles. Its on a slight slope. I have 12 small sedum plants - each inside a 5 inch jiffy pot then placed inside coconut coir basket liners with potting soil (4 liners with 3 small plants in each). I was worried that the soil would wash away with the heavy rains in the summer time. I'm thinking I could leave the sedum in the jiffy pot (potting soil mixture) to help maintain the soil during the summer time and the jiffy pot will deteriorate when the heavy rains start. or I could take the plant out of the jiffy pot and put more pea gravel around the plant and use the bigger stones to hold the pea gravel and sedum in place until the roots form a anchor in the rocks? Cut up some of the liners to create a mini wall around the plant for the summer rains until their roots get anchored in the rocks?
My depth of the rock slope - The top of the rock slope is 2 1/2 inches tapering down to 1 1/2 inches near the bottom. I have paver sand I can add to the pea gravel, compost cow manure too. I could cut the coconut coir liners and insert them around the plant to help maintain the soil during the heavy rains?, but it will wash away with a good storm which we have quite often in my area during the summer. Drainage is good. area is a quarter circle length is 15 feet.. I can't find pumice in my area. Lowes sells a palm and catcus soil mixture I could buy? Any other suggestions?
Rose
