Aristolochia durior Dutchman's Pipe

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AKA Aristolochia macrophylla, Aristolochia sipho Solitary greenish-yellow pipe-shaped flowers Large 20 cm mid-green heart-shaped leaves Vigorous twining habit Good for privacy scre ening Heat and humidity tolerant Bloom Time: Summer Is it invasive? This vine is native to the Southeastern United states, but introduced in Ontario. Growing Tips: Aristolochia grows best in an average to moist well-drained soil, in full sun to partial shade. Prune after flowering to maintain the desired size. Dislikes winter wet but usually adapts well to most conditions. Strong supports are necessary. Zone: 4 Height: Height: 8-10 m Width: Spread: 6-10 m Colour: Colour: Brown Features: Sun Exposure: Sun, Part-Sun Show more