The Cradley Cascader - Growing Kit - One & a Half GallonThe Cradley Cascader Growing Kit pairs the one and a half gallon long reach plastic outdoor can with four plastic rose heads. The four heads span key plant stages: the 330 1 Extra Fine Oval and 335 1 Extra Fine Round for seeds and seedlings; the 335 2 Fine Round for young plants; and the 335 4 Extra Coarse Round for established plants in larger containers. All heads have plastic bodies and fit the ferrule on the Cradley Cascader. The can is compatible