Hoary Plantain Seeds plantago media – although quite adaptable to most soils, Hoary Plantain grows best in dry grassland and is well suited to chalk and limestone soils on sites where there is plenty of sunlight. It is a low growing species, with spiked pale pink flowers that appear from June to September. In gardens, this plant can be introduced into grassy areas or wild flower borders. Hoary Plantain looks best growing with other chalk and limestone plants that flower in early to mid summer such as Oxeye daisies, Kidney Vetch, Greater Knapweed, Meadow Cranesbills and Small Scabious.