Hypericum
calycinum
Iberis sempervirens
Iris domestica
Iris sibirica
Kalimeris mongolica
Kniphofia hybrids
Lamium maculatum
Lavandula
Leucanthemum
×superbum
Liatris
Limonium
platyphyllum
Linaria purpurea
Linum
Liriope spicata
Lobelia cardinalis
Lupinus hybrids
Oenothera fruticosa
OriganumOrnamental grasses,
most
Papaver orientale
Patrinia scabiosifolia
Penstemon barbatus
Perovskia
atriplicifolia
Persicaria amplexi-
caulis ‘Firetail’
Phlomis
Phlox divaricata
Phlox stolonifera
Phlox subulata
Polemonium
caeruleum
Pulmonaria
Rudbeckia
Ruta graveolens
Salvia coerulea
Salvia greggii
Salvia uliginosaSantolina
chamaecyparissus
Saponaria ocymoides
Saxifraga
Scabiosa
Sedum ‘Matrona’
Sedum rupestre
‘Angelina’
Silene coronaria
Sisyrinchium
angustifolium
Stachys byzantina
Stokesia laevis
Tanacetum
parthenium
Teucrium
chamaedrys
Thymus
Tiarella cordifolia
Veronica austriaca
subsp. teucrium- erennials that require maintenance in the P
spring
Acanthus spinosus
Achillea
Aconitum napellus
Aconogonum
‘Johanniswolke’
Agastache
Ajuga reptans
Alcea rosea
Alchemilla mollis
Amsonia
Anaphalis
triplinervis
Anchusa azurea
Angelica gigasAquilegia hybrids
Armeria maritima
Artemisia
Arum italicum
‘Pictum’
Asarum europaeum
Asclepias tuberosa
Aster
Astilbe ×arendsii
Astrantia major
Baptisia australis
Bergenia crassifolia
Boltonia asteroides
‘Snowbank’Brunnera
macrophylla
Campanula carpatica
Campanula
glomerata
Centaurea montana
Cerastium
tomentosum
Ceratostigma
plumbaginoides
Chelone lyonii
Chrysanthemum
×morifolium
Chrysogonum
virginianum