- erennials that will not flower if their P
terminal flower buds are removed
Acanthus spinosus
Arisaema
Aruncus dioicus
Astilbe ×arendsii
Crambe
Dictamnus albus
Filipendula rubra
‘Venusta’
Filipendula ulmaria
Geum hybrids
Hemerocallis
Heuchera micrantha
‘Palace Purple’
Hosta
Iris ×germanica
Iris sibirica
Kniphofia hybrids
Lupinus hybrids
Papaver orientale
Rheum
Stachys byzantina
- Perennials that can be pinched
Achillea millefolium
Agastache
Alcea rosea
Artemisia
Aster
Begonia grandis
Boltonia asteroides
‘Snowbank’
Campanula
persicifolia
Chelone lyonii
Chrysanthemum
×morifolium
Clematis heracleifolia
Cota tinctoria
Eutrochium macula-
tum ‘Gateway’
Gentiana
Helenium autumnale
Helianthus
Leucanthemum
×superbum
Linaria purpurea
Lobelia cardinalis
Malva alcea
‘Fastigiata’
Monarda didyma
Penstemon barbatus
Perovskia
atriplicifolia
Phlox maculata
Phlox paniculata
Physostegia
virginiana
Platycodon
grandiflorus
Rudbeckia
Salvia uliginosa
Sedum ‘Matrona’
Lupinus hybrids
