Crassula ovata 'Gollum Jade' Tristar Plants 25 Edible Wild Plants To Forage For In Early Spring 12 Types Of Sea Vegetables, Explained Drax power plant 'the largest single source of carbon emissions in the UK', report finds Engineering and Technology Magazine This time of year, Plectranthus verticillatus (Swedish Ivy, but neither Swedish nor ivy) produces small, purple flowers at the end of its 'legs'. Autumn is oficially here.