Native Perennials in Succession of Bloom in CT
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Succession of bloom has changed and will continue to change as our climate warms. The exact time varies by town and microclimate. Pinching practices delay bloom times by about 3 weeks. This is the first draft of an everchanging document that will be updated.
April
Caltha palustris
Caulophyllum thalictroides
Delphinium tricorne
Dicentra cuccularia
Dicentra eximia
Erythronium americanum
Geum triflorum
Hepatica
Mertensia virginica
Pachysandra procumbens
Phlox subulata
Sanguinaria canadensis
Uvularia
Viola sororia
May
Actaea pachypoda
Amsonia tabernaemontana ‘Short Stack’, cililata
Anemone canadensis, Anemone virginiana
Aquilegia canadensis
Antennaria
Arisaema triphyllum
Asarum canadense
Baptisia australis, Baptisia leucantha, Baptisia tinctoria
Camassia (bulb)
Caulophyllum thalictroides
Chamaelirium luteum
Chrysogonum virginianum
Delphinium tricorne
Dicentra eximia
Dodecatheon meadia
Erigeron pulchellus
Geranium maculatum
Heuchera villosa
Houstonia caerulea
Hydastris canadensis
Iris cristata
Iris versicolor
Jeffersonia diphylla
Lonicera sempervirens (vine)
Lupinus perennis
Maianthemum dilatatum, stellatum, racemosa (formerly Smilacina racemosa)
Mertensia virginica
Mitella diphylla
Monarda bradburiana
Pachysandra procumbens
Packera aurea, obovata
Phlox divaricata, stolonifera, subulata
Podophyllum peltatum
Polemonium reptans
Polygonatum biflorum, biflorum var. commutatum
Prunella vulgaris
Silene caroliniana, virginica
Sisyrinchium angustifolium
Stylophorum diphyllum
Tiarella cordifolia
Trillium
Uvularia
Viola labradorica, V. pedata
Viola pedata
Waldesteinia fragarioides
Zizia
June
Achillea millefolium
Amsonia hubrechtii, Amsonia tabernaemontana
Aralia nudicaulis
Aruncus diocus
Asclepias syriaca, speciosa, exaltata, purpurescens, tuberosa
Baptisia australis, Baptisia leucantha, Baptisia tinctoria
Callirhoe involucrata
Camassia (bulb)
Campanula rotundifolia
Coreopsis rosea, tinctoria, grandiflora, verticillata
Echinacea paradoxa, pallida
Gaillardia
Gillenia trifoliata
Heliopsis
Heuchera villosa
Lilium canadense
Lonicera sempervirens (vine)
Lupinus perennis
Lysimachia lanceolata
Maianthemum racemosa (formerly Smilacina racemosa)
Meehania cordata
Mimulus ringens
Monarda bradburiana, didyma
Oenothera fruticosa, O. perennis
Opuntia humifusa
Parthenium integrifolium
Penstemon digitalis, P. calycosus, smallii, hirsutus
Phlox glaberrima, maculata, paniculata (early varieties)
Potentilla tridentata (Sibbaldiopsis tridentata)
Salvia lyrata ‘Purple Knockout’
Scuttelaria incana, integrifolia
Silene caroliniana, S. virginica
Sisyrinchium angustifolium
Spigelia marilandica
Teucrium canadense
Thalictrum pubescens, dasycarpum
Thermopsis caroliniana
Tradescantia virginicum
Viola pedata
July
Achillea millefolium
Agastache foeniculum, rugosum
Allium cernuum
Amorpha canescens
Anaphalis margaritacea
Aralia racemosa, nudicaulis
Asclepias incarnata, Asclepias speciosa, Asclepias tuberosa
Callirhoe involucrata
Campanula rotundifolia
Cimicifuga racemosa
Clematis virginiana (vine)
Coreopsis rosea, tinctoria, grandiflora, vertcillata
Dalea purpurea
Echinacea purpurea
Eryngium yuccifolium
Euphorbia corollata
Euthamia caroliniana
Filipendula rubra ‘Venusta’
Gaillardia
Gaura lindheimerii
Heliopsis
Helianthus ‘Lemon Queen’
Heuchera americana (parent of most ornamental burgundy and silver leaved Heucheras)
Liatris spicata, squarrosa, ligulistylis
Lobelia cardinalis, siphilitica
Meehania cordata
Monarda didyma, fistulosa
Oenothera speciosa ‘Rosea’
Parthenium integrifolium
Penstemon digitalis, calycosus
Phlox paniculata
Pycnanthemum
Ratibida pinnata
Rhexia virginica
Rudbeckia laciniata ‘Herbstsonne’, maxima
Rudbeckia hirta (annual)
Senna hebecarpa
Scuttelaria incana, integrifolia
Silene dioca
Spigelia marilandica
Solidago juncea, speciosa, odora
Stokesia laevis
Verbena hastata
Veronicastrum virginicum
Yucca filamentosa
August
Achillea millefolium
Agastache foeniculum, A. rugosum
Allium cernuum
Amorpha canescens
Anaphalis
Asclepias verticillata, tuberosa
Aster umbellatus (Doellingeria umbellata), A. macrophyllus (Eurybia macrophylla), A. linariifolius (Ionactis linariifolius)
Chelone glabra, lyonii, obliqua
Chrysopsis mariana
Coreopsis tripteris
Echinacea purpurea
Eryngium yuccifolium
Eupatorium dubium, fistulosum, maculatum, purpureum (Eutrochium)
Eupatorium coelestinum (Conoclinum)
Eupatorium hyssopifolium, perfoliatum
Euphorbia corollata
Euthamia caroliniana, graminifolia
Gaura lindheimerii
Helenium autumnale, flexuosum
Helianthus mollis, multiflorus
Hibiscus moscheutos
Liatris scariosa, microcephala, L. ligulistylis
Lobelia cardinalis, siphilitica
Oenothera speciosa ‘Rosea’
Parthenium integrifolium
Phlox paniculata
Physostegia virginiana
Pycnanthemum
Ratibida
Rudbeckia fulgida, laciniata, subtomentosa, laciniata ‘Herbstsonne’
Rudbeckia hirta (annual)
Sanguisorba canadensis
Senna hebecarpa
Solidago odora, flexicaulis, memerosa, sphacacelata ‘Golden Fleece, ‘Little Lemon’.
Verbena hastata
Vernonia noveboracensis, fasciculata
September
Agastache foeniculum, rugosum
Ageratina altissima
Aster cordifolius, ericoides, novae-angleia, novae-belgii (Symphyotrichum)
Aster divaricatus (Eurybia divaricata)
Aster laevis (Symphyotrichon laeve)
Aster macrophyllus (Eurybia macrophylla)
Aster umbellatus (Doellingeria umbellata)
Boltonia asteroides
Chelone glabra, C. lyonii, Chelone obliqua
Chrysopsis mariana
Coreopsis tripteris
Eupatorium dubium, fistulosum, maculatum, purpureum (Eutrochium)
Eupatorium coelestinum (Conoclinum)
Eupatorium hyssopifolium, perfoliatum
Gaura lindheimerii
Gentiana clausa
Helenium autumnale
Helianthus divaricatus, mollis, multiflorus, ‘Lemon Queen’
Heuchera ‘Autumn Bride’
Liatris ligulystylis, Liatris pychnostachya, Liatris microcephala
Lobelia siphilitica
Parthenium integrifolium
Rudbeckia fulgida, R. laciniata ‘Herbstonne, R. subtomentosa
Rudbeckia hirta (annual)
Salvia azurea
Sanguisorba canadensis
Silphium laciniatum, pinnatifidum, terebinthinacium
Solidago arguta, bicolor, caesia, flexicaulis, odora, rigida, rugosa ‘Fireworks’, sphacelata ‘Golden Fleece’, speciosa, sempervirens
Verbena hastata
Vernonia lettermanii, Vernonia noveboracensis
October
Ageratina altissima
Aster cordifolius, ericoides, (Symphyotrichum)
Aster divaricatus (Eurybia divaricata)
Eupatorium hyssopifolium
Helianthus maximilliana, salicifolius, tuberosus
Sanguisorba canadensis
Solidago flexicaulis, sempervirens, bicolor
Vernonia lettermanii
November
Aster oblongifolius ‘Fanny’, ‘Raydon’s Favorite’ (Symphyotrichum oblongifolium)
Solidago sempervirens
In an effort to provide horticultural information, these educational documents are written by Nancy DuBrule-Clemente and are the property of Natureworks Horticultural Services, LLC. You are granted permission to print/photocopy this educational information free of charge as long as you clearly show that these are Natureworks documents.