This Hollyhock Mix Provides Height & An Array Of Colour To Your Borders During The Summer.towering Over Lower Growing Herbaceous Perennials, They’ll Add An Extra Dimension To Your Display.hollyhocks Are Classic Cottage Garden Biennials That Flower In The Second Year & Will Self Seed In Your Borders If The Seed Heads Aren’t Collected After Flowering.these Low Maintenance Plants Are Best Planted In Full Sun With Support & Protection From A Wall Or Fence.