Euphorbia mammillaris Plant Data Family Name: Euphorbiaceae Common Name: corncob plant Other Name(s): Euphorbia mammillaris Hardiness Zones: Zone 9: (-7 to -1 C) Plant Code: euma Pest: Root rot, Scale insects, Flowering Color: Pink, Yellow, Leaf Form: Simple, Leaf Arrangement: Whorled, Leaf Shape: Acicular, PlantSomething BC Garden Centre Listings No members have selected this plant.