Catalpa trees were planted by Nebraska pioneers SMOK Mag Grip 100W Starter Kit with TFV8 Baby V2 Tank $38.50 While catalpa trees are not generally considered highly toxic, some parts of the tree, particularly the roots, are known to be poisonous according to the USDA Plants Database. The leaves and seed ID That Tree: Northern Catalpa Catalpa tree leaves and bark for pods? : r isopods SMOK G PRIV 4 230W Starter Kit Dual Battery Vape Mod Kit