Bloom Chart

M = Middle * Times are approximate for the middle of USDA Zone 5.

February

March

April

May

June

July

August

September October

Perennial

E M L

E M L

E M L

E M L

E M L

E M L

E M L

E M L E M L

Ajuga spp.

X X X

X X X

Arabis albida

X

X X X

X X X

Aubrieta deltoidea

X X X

X X X

X X X

Bergenia cordifolia

X X X

X X X

Brunnera macrophylla

X X X

X X X

X X X

Ceratostigma plumbaginoides

X X X

X X X

Chrysogonum virginianum

X X X

X X X

X X X

X X X

X X X

X X X

Doronicum caucasicum

X X X

X X X

Euphorbia epithymoides

X X X

X X X

Festuca cinerea

X X X

X X X

X X X

X X X

X X X

X X X X X X

Geranium spp.

X X X

X X X

X X X

X X X

X X X

Helleborus niger, H. orientalis

X X X

X X X

X X X

Iberis sempervirens

X X X

X X X

Incarvillea delavayi

X X X

X X X

X X X

Mertensia virginica

X X X

X X X

Phlox subulata

X X X

X X X

Primula spp.

X X X

X X X

Viola spp.

X X X

X X X

Aegopodium podagraria

X X X

X X X

Aquilegia spp.

X X X

X X X

X X X

Armeria maritima

X X X

X X X

Aurinia saxatilis

X X X

Baptisia australis

X X

Centranthus ruber

X X X

X X X

X X X

X X X

Cerastium tomentosum

X X X

X X X

Convallaria majalis

X X X

X X X

Dianthus X allwoodii

X X X

X X X

X X X

X X X

X X

Dicentra eximia

X X X

X X X

X X X

X X X

X X X

Dicentra spectabilis

X X X

X X X

Dictamnus albus

X X X

X X X

Epimedium spp.

X X X

Galium odoratum

X X X

X X X

Geum quellyon

X X X

X X X

X X X

X X X

X X X X X X

Heuchera sanguinea

X X X

X X X

X X X

X X X

Iris hybrids

X

X X X

X X

X X X X

Iris sibirica

X X X

X X X

Lamiastrum galeobdolon

X X X

Lamium maculatum

X X X

Lupinus hybrids

X X X

X X X

Myosotis spp.

X X X

X X X

X X X

Nepeta X faassenii, N. mussinii

X X X

X X X

X X X

X X X

X X X X X X

Paeonia hybrids

X X X

X X X

X X X

Polemonium caeruleum

X X X

X X X

Polygonatum spp.

X X X

X X X

Polygonum affine

X X X

X X X

X X X

X X X

X X X X X

Potentilla spp.

X X X

X X X

X X X

Trollius hybrids

X X X

X X X

Achillea millefolium and hybrids

X

X X X

X X X

X X X

Achillea X 'Coronation Gold'

X X X

X X X

X X X

X X X X X

Anthemis tinctoria

X X X

X X X

X X X

X X X X X X

Artemisia schmidtiana

X X X

X X X

X X X

X X X

Aruncus dioicus

X X X

X X X

X X X

Asclepias tuberosa

X X X

X X X

X X X

Astilbe X arendsii

X X X

X X X

X X X

Calamagrostis acutiflora

X X X

X X X

X X X

X X X

Campanula glomerata

X X X

X X X

X X X

X X X

Centaurea montana

X X X

X X X

X X X

X X X

Coreopsis grandiflora, C. lanceolata

X X X

X X X

X X X

X X X X X X

Delphinium X elatum

X X X

X X X

X X X

X X X X X X

Erigeron speciosus

X X X

X X X

X X X

X X X X X X

Bloom Chart

February

March

April

May

June

July

August

September

October

Perennial E M L

E M L

E M L

E M L

E M L

E M L

E M L

E M L

E M L

Festuca cinerea

X

X X X

Gaillardia X grandiflora

X X X

X X X

X X X

X X X

X X X

Gypsophila paniculata

X X X

X X X

X X X

X X X

Hemerocallis spp. and cultivars

X X X

X X X

X X X

Iris kaempferi

X

X X X

Lavandula angustifolia

X X X

X X X

X X X

X X X

Leucanthemum X superbum

X X X

X X X

X X X

X X X

Linum perenne

X X X

X X X

X X X

Lychnis chalcedonica

X X X

X X X

X X X

X

Monarda didyma

X

X X X

Oenothera missouriensis

X X X

X X X

X X X

X X X

Opuntia humifusa

X X X

Papaver orientale

X X X

X X X

Penstemon spp.

X X X

X X X

X X X

Prunella X webbiana

X X X

X X X

Pyrethrum roseum

X X X

Salvia spp.

X X X

X X X

X X X

X X X

X X X

Saponaria ocymoides

X X X

X X X

X X X

X X X

Scabiosa caucasica

X X X

X X X

X X X

X X X

Sidalcea malvaeflora

X X X

X X X

Thymus spp.

X X X

X X X

Tradescantia X andersoniana

X X X

X X X

X X X

Veronica spp.

X X X

X X X

X X X

Belamcanda chinensis

X X X

X X X

X X X

Ceratostigma plumbaginoides

X X X

X X X

X X X

Echinacea purpurea

X X X

X X X

X X X

Echinops ritro

X X X

X X X

X X X

X X X

Heliopsis helianthoides

X X X

X X X

X X X

X X X

Hibiscus moscheutos

X X X

X X X

Leontopodium alpinum

X X X

X X X

Liatris spicata

X X X

X X X

X

Limonium latifolium

X X X

X X X

Ligularia spp.

X X X

X X X

Liriope spicata

X X X

X X X

Lobelia cardinalis

X X X

X X X

X X X

X X X

Lysimachia punctata

X X X

X X X

Phlox paniculata

X X X

X X X

X X X

Physalis alkekengi

X X X

X X X

Physostegia virginiana

X X X

X X X

X X X

Platycodon grandiflorus

X X X

X X X

X X X

X X X

Rodgersia spp.

X X X

X X X

Rudbeckia fulgida 'Goldsturm'

X X X

X X X

X X X

Sempervivum spp.

X X X

X X X

Stokesia laevis

X X X

X X X

X X X

Thalictrum spp.

X X X

X X X

Yucca filamentosa

X X X

X X X

Aconitum spp.

X X X

X X X

X X X

Anemone X hybrida, A. vitifolia, A. hupehensis

X X X

X X X

X X X

Dendranthema grandiflora

X X X

X X X

X X X

Helenium autumnale

X X X

X X X

Helianthus X multiflorus

X X X

X X X

Hosta spp.

X X

X X X

Pennisetum alopecuroides

X X X

X X X

X

Sedum X 'Autumn Joy'

X X X

X X X

X X X

Aster novae-angliae

X

X X X

Eupatorium coelestinum

X X X

X X X

Miscanthus sinensis

X

X X X

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