Tree Echiums can prove to be an amazing architectural plant in the garden assuming its lives long enough to produce its impressively tall flower spike! In order to achieve this the Tree Echium must first overwinter at least once, possibly twice, and have its main stem remain intact. To find out how English horticulturist Simon overwinters his Tree Echiums check out this video.
Now the most important part of overwintering management for Tree Echiums is to ensure that the lead flowering spike remains intact and survives the winter - which is easier said than do as the rosette of leaves will continue to grow over the winter period. This puts it at risk of coming into contact with the top of your frost protection which can cause cold damage at the extremities.
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