For non45stop colour in late summer and autumn try these unique half hardy perennials33 similar to a blue chrysanthemum heteropappus meyendorfii is a late45flowering plant forming compact mounds of brilliant lilac45blue daisy flowers with golden honeycomb centres a slightly spreading habit makes heteropappus perfect for filling gaps in herbaceous borders as ground cover or grown in containers on the patio height 30cm 40123441 spread 45cm 40183441 supplied