- Perennials that do not rebloom with
deadheading
Acanthus spinosus
Actaea
Amsonia
Arisaema
Artemisia absinthium
‘Lambrook Silver’
Artemisia lactiflora
Artemisia ludovici-
ana ‘Silver King’
Arum italicum
‘Pictum’
Aruncus dioicus
Astilbe ×arendsii
Bergenia crassifolia
Brunnera
macrophylla
Crambe cordifolia
Crocosmia
Epimedium
Eutrochium
Gillenia trifoliata
Helianthus
maximiliani
Helianthus
salicifolius
Iris Louisiana
hybrids
Iris sibirica
Iris spuria
Kirengeshoma
palmata
Ligularia dentata
Liriope spicata
Paeonia hybrids
Papaver orientale
Phlox divaricata
Podophyllum
Primula denticulata
Rheum
Stachys monieri
‘Hummelo’
Teucrium
chamaedrys
Acanthus spinosus