Fall is a time for planting. Over the next few weeks, the trees, shrubs, perennials, and evergreens that you plant in your garden will put down roots in the new soil in preparation for the spring’s surge in growth. The hardy plants you put in the ground now will produce more new growth than the spring planted ones. Guaranteed. Here are flowers and plants to consider during the autumn planting season. Flowers and Plants to Consider During the Autumn Planting Season Rudebeckia Rudbeckias (Black-eyed Susan) are easy to grow, multiply from year to year and are available in many varieties. Mark’s favourite “giant” Rudebeckia is Herbstone, which grows to almost two metres high. A recent visitor to his home jokingly accused Mark of using steroids on them! Other great garden performers include Goldstrum (1999 Perennial Plant of the Year) and Prairie Sun, a lovely two-toned sun yellow/butter yellow in every…