Tree Dahlias, Dahlia imperialis, are without doubt an impressive addition to any garden, however they can be difficult to overwinter due to their subtropical origins. That said, with a little thought before planting and minimal winter protection you can overwinter tree dahlias in the ground, avoiding the rigmarole of lifting them out the ground and overwintering them in a frost free position. in this video, English horticulturist Simon discusses his five mistakes to avoid when overwintering or winterizing the Tree Dahlia: Winterize Dahlia imperialis.
For most people, gardening in December is more about enjoying the garden from the comfort of your back room rather than doing any actual work in it. However, there are a number of time sensitive cuts that will need to be made in order to improve the health or your plants and to ensure fantastic flowering displays in the following season. So in this video, English horticulturist Simon discusses which plants he regards needs to be cut during this month. Never forget to cut these plants in December.
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