Apocynum cannabinum
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Hardiness Zone: 4-9 Height: 2.5-5 feet; 0.8-1.5 metres Spread: 1.5-2.5 feet; 0.5-0.8 metres Sun: Full sun Water: Medium Wildlife: This plant attracts and supports an abundance of insects including bees, bee flies, butterflies, beetles, skippers and many types of moth larvae. Bloom Colour: White-pale green Tolerates: Flooding during the spring and drought as well as acidic/alkaline soils Culture: Indian hemp prefers wet to medium-moisture, sandy soil. Colonies can start spreading aggressively in ideal conditions from underground rhizomes. Noteworthy Characteristics: This bushy perennial has a stiff central stem with many branches. The smooth stems range from light green to red in colour. It has alternate, pinnate, light green leaves and both the leaves and the stems contain a milky substance that is bitter-tasting and toxic. Garden Uses: Butterfly garden