Those of us who live in colder climates may be thinking it’s time to rehab last year’s tender succulent containers. Over the winter, these planters have been trying to soak up as much sun as possible on windowsills and in sunrooms, but it’s a sure thing that by mid spring many of your plants have become unbecomingly leggy. You have two options: disassemble the planter, plant by plant, then cut back and replant in fresh soil, or if the planter is not overcrowded or out of proportion, you can see if just trimming back is the answer.
I’m encouraging you to be ruthless when you cut back. After cutting off their heads these plants won’t look happy immediately, but the alternative could become down right ugly. Any cuttings from pinching can be stuck in sand and rooted for more plants. You may find that some of the spreading succulents have exceeded their bounds and need to be lifted and divided . Use these little divisions to tuck in around the container where their are “plant gaps”. Fertilize your planter with a seaweed/fish emulsion. It will take a number of weeks and some warm sunny weather for your planters to start to perk up.
Vertical Succulent Gardens are often in need of cutting back and editing. We usually leave our vertical planters horizontal on benches during the winter, to minimize stretching. Still some plants such as the rosettes of Sempervivum or Echeveria may have become overwhelmed by creeping Sedum and Delosperma, and need to be replaced. We take fresh cuttings and secure them in place with floral pins. Fertilize with seaweed/fish emulsion , keeping the wall planter flat while the new cuttings root in, and move outside as soon as nights stay in the 50’s or above. In a few weeks, growth will begin to fill in the empty spaces, and then you can hang.
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