: So you bought hibiscus, Mandeville, Jasmine and more, now what? How do we keep them happy until next spring? Learn from LCMG Deb Walser the do's and don - ™ts, which annuals, tropical and tender bulbs to overwinter and which to throw out. FREE Garden Classes are presented by the Linn County Master Gardeners. No pre-registration is required, just come and join us!