Average Bloom Times
Botanical Name |
Common Name |
First Bloom 1998 |
Last Bloom 1998 |
Bulbs |
|
|
|
|
Crocus tommasinianus |
Tommies |
9 February |
9 March |
|
Scilla siberica |
Siberian squill |
13 February |
7 April |
|
Scilla tubergeniana |
|
11 February |
7 April |
|
Eranthis hyemalis |
Winter aconites |
1 February |
28 February |
|
Galanthus nivalis |
Snowdrops |
1 February |
9 March |
|
Leucojum vernum |
Spring snowflake |
20 February |
5 March |
|
Narcissus sp. |
Daffodils |
18 February |
20 April |
|
Chionodoxa luciliae |
Glory of the snow |
27 February |
1 April |
|
Crocus sp. |
Crocus |
25 February |
30 March |
|
Galanthus nivalis ‘Flore Pleno’ |
Double snowdrops |
27 February |
5 March |
|
Iris reticulata |
Dwarf iris |
27 February |
17 March |
|
Muscari sp. |
Grape hyacinth |
5 March |
15 April |
|
Anemone blanda |
|
5 March |
15 April |
|
Ipheion uniflorum |
Spring starflower |
13 March |
15 April |
|
Tulipa sp. |
Tulip |
1 April |
21 April |
|
Ornithogalum umbellatum |
Star of Bethlehem |
14 April |
26 April |
|
Fritillaria meleagris |
Guinea hen |
7 April |
20 April |
|
Scilla campanulata |
Bluebells |
13 April |
7 May |
|
Iris germanica |
Bearded iris |
1 May |
8 May |
|
Iris siberica |
Siberian iris |
7 May |
18 May |
|
Hemerocallis fulva |
Tawny daylily |
8 June |
29 June |
|
Hemerocallis flava |
Lemon lily |
29 June |
31 July |
|
Lilium sp. |
Asiatic lily |
1 June |
15 July |
|
Lycoris squamigera |
Resurrection lily |
27 July |
15 August |
|
Crocus speciosus |
Fall crocus |
15 September |
22 September |
Herbaceous |
|
|
|
|
Calendula officinalis |
Pot marigold |
all winter |
all winter |
|
Bellis perennis |
English daisies |
1 February |
1 July |
|
Helleborus orientalis |
Lenten rose |
January |
April |
|
Iberis sempervirens |
Candytuft |
10 March |
1 June |
|
Mertensia virginica |
Virginia bluebells |
24 March |
1 May |
|
Brunnera macrophylla |
Siberian bugloss |
24 March |
15 June |
|
Epimedium sp. |
Epimedium |
24 March |
1 June |
|
Cheiranthus cheirii |
Wallflowers |
24 March |
1 June |
|
Arabis causcasia |
Rock cress |
24 March |
1 June |
|
Claytonia virginica |
Spring-beauty |
24 March |
15 April |
|
Viola tricolor |
Johnny-jump-up |
24 March |
1 June |
|
Viola x wittrockiana |
Pansy |
24 March |
1 June |
|
Digitalis purpureum |
Foxglove |
27 April |
1 June |
|
Digitalis lanata |
Grecian foxglove |
21 May |
31 May |
|
Aquilegia sp. |
Columbine |
21 April |
1 June |
|
Dodecatheon meadia |
Shooting star |
25 April |
15 May |
|
Chrysongonum virginianum |
Green and gold |
1 May |
15 May |
|
Convallaria majalis |
Lily of the valley |
20 April |
9 May |
|
Polygonatum biflorum |
Solomon’s seal |
1 May |
15 May |
|
Primula sp. |
Primroses |
13 April |
1 June |
|
Paeonia sp. |
Peony |
21 April |
30 June |
|
Papaver nudicaule ‘Wonderland’ |
Icelandic poppy |
25 April |
1 June |
|
Lilium hybrids |
Asiatic lilies |
1 June |
15 July |
|
Malva sylvestris |
Moon and stars |
1 June |
21 June |
|
Alcea |
Hollyhocks |
1 June |
15 July |
|
Astilbe x arendsii |
False spirea |
1 June |
1 July |
|
Antirrhinum |
Snapdragons |
1 May |
15 May |
|
Achillea |
Yarrow |
15 June |
all summer |
|
Baptisia australis |
False indigo |
1 June |
1 July |
|
Chrysanthemum leucanthemum |
Shasta daisy |
1 June |
1 July |
|
Dianthus caesius |
Pinks |
15 May |
15 June |
|
Echinacea purpurea |
Purple coneflower |
15 June |
all summer |
|
Nigella damascena |
Love-in-a-mist |
21 June |
15 July |
|
Liatris spicata |
Liatris |
21 June |
August |
|
Monarda didyma |
Beebalm |
29 June |
all summer |
|
Rudbeckia fulgida |
Black eyed susan |
21 June |
all summer |
|
Stokesia laevis |
Stoke’s aster |
21 June |
August |
|
Ageratum |
Ageratum |
21June |
all summer |
|
Lantana |
Lantana |
15 June |
all summer |
|
Salvia spp. |
Salvia |
21 August |
frost |
|
Rudbeckia hirta |
Gloriosa daisy |
21June |
all summer |
|
Clematis heracleifolia |
Tube clematis |
15 June |
1 September |
|
Cosmos |
Cosmos |
20 July |
all summer |
|
Lobelia cardinalis |
Cardinal flower |
30 July |
15 September |
|
Lobelia siphilitica |
Blue cardinal flower |
30 July |
15 September |
|
Canna sp. |
Indian shot |
20 July |
frost |
|
Zinnia |
Zinnia |
1 July |
frost |
|
Aster divaricatus |
White wood aster |
21 August |
21 September |
|
Aster novae-angliae |
New England aster |
15 August |
15 September |
|
Anemone hupehensis var. japonica |
Japanese anemones |
21 August |
15 September |
|
Verbena bonariensis |
Verbena |
15 August |
all summer |
|
Dahlia |
Dahlia |
1 August |
all summer |
|
Limonium |
Statice |
15 August |
all summer |
|
Aster novi-belgii |
Michelmas daisy |
21 September |
frost |
|
Aster tataricus |
Tatarian asters |
21 September |
frost |
|
Lespedeza thunbergii |
|
1 September |
21 September |
|
Dendranthema grandiflora |
Chrysanthemum |
1 September |
frost |
Shrubs |
|
|
|
|
Chaenomeles sp. |
Flowering quince |
18 February |
10 March |
|
Jasminum nudiflorum |
Winter jasmine |
9 January |
1 March |
|
Daphne odora ‘Aureo-marginata’ |
Fragrant daphne |
20 February |
15 April |
|
Lonicera fragrantissima |
Winter honeysuckle |
16 February |
1 April |
|
Mahonia aquifolium |
Oregon grapeholly |
20 February |
15 April |
|
Pieris japonica |
Japanese pieris |
20 February |
1 July |
|
Hamamelis spp. |
Witch hazel |
1 February |
1 March |
|
Forsythia suspensa var. sieboldii |
Weeping forsythia |
23 February |
10 March |
|
Forsythia sp. |
Forsythia |
10 March |
peak 29 March |
|
Kerria japonica |
Japanese rose |
24 March |
15 April |
|
Viburnum x burkwoodii |
Viburnum |
20 March |
15 April |
|
Viburnum carlesii |
Viburnum |
20 March |
15 April |
|
Poncirus trifoliata |
Trifoliate orange |
1 April |
15 April |
|
Syringa |
Lilac |
3 April |
1 May |
|
Rhododendron spp. |
Rhododendron |
3 June |
15 June |
|
Azalea ‘Indica Alba’ |
Azalea |
16 April |
1 May |
|
Azalea ‘Poukhanense Pink’ |
Azalea |
20 April |
30 April |
|
Deutzia gracilis |
Deutzia |
14 April |
1 June |
|
Viburnum trilobum |
American cranberrybush |
20 April |
1 June |
|
Viburnum plicatum var. tomentosum |
Doublefile viburnum |
23 April |
1 June |
|
Leucothoe fontanesiana |
Drooping leucothoe |
23 April |
1 June |
|
Rosa sp. |
Roses |
24 April |
all summer |
|
Calycanthus floridus |
Sweetshrub |
5 April |
1 June |
|
Pyracantha coccinea |
Firethorn |
21 April |
1 June |
|
Philadelphus coronarius |
Mockorange |
29 April |
1 June |
|
Weigela florida |
Weigela |
28 April |
1 June |
|
Kolkwitzia amabilis |
Beautybush |
27 April |
1 June |
|
Chionanthus virginicus |
Grancy gray beard |
27 April |
1 June |
|
Deutzia scabra ‘Plena’ |
Deutzia |
4 May |
1 June |
|
Philadelphus coronarius |
Mock orange |
3 May |
1 June |
|
Deutzia crenata or scabra |
Deutzia |
3 May |
1 June |
|
Cotinus coggygria |
Smokebush |
7 May |
1 June |
|
Nerium oleander |
Oleander |
15 July |
frost |
|
Abelia grandiflora |
Glossy abelia |
15 July |
all summer |
|
Buddleia davidii |
Butterfly bush |
1 July |
all summer |
Trees |
|
|
|
|
Acer rubrum |
Red maple |
15 January |
1 March |
|
Prunus subhirtella var. autumnalis |
Autumnalis cherry |
all winter |
7 April |
|
Prunus subhirtella var. pendula |
Weeping Cherry |
5 March |
1 April |
|
Cornus mas |
Cornelian cherry |
20 February |
1 April |
|
Prunus x blireiana |
Blireiana plum |
15 March |
1 April |
|
Magnolia kobus |
Kobus magnolia |
15 March |
5 April |
|
Magnolia stellata |
Star magnolia |
17 March |
5 April |
|
Magnolia denudata |
Yulan magnolia |
17 March |
5 April |
|
Magnolia denudata ‘Purple Eye’ |
Yulan magnolia |
17 March |
5 April |
|
Magnolia ‘Galaxy’ |
Lily magnolia |
31 March |
30 April |
|
Pyrus x lecontei ‘Keiffer’ |
Keiffer pear |
20 March |
1 April |
|
Pyrus pyrifolia |
Chinese sand pear |
30 March |
1 April |
|
Prunus x yedoensis |
Yoshino |
28 March |
1 April |
|
Prunus cerasus |
Sour cherry |
28 March |
1 April |
|
Pseudocydonia sinensis |
Quince |
31 March |
1 April |
|
Malus sp. |
Crabapples |
1 April |
15 Apr |
|
Halesia carolina |
Carolina silverbell |
15 April |
April 30 |
|
Cornus florida |
Dogwood |
6 April |
1 June |
|
Paulownia tomentosa |
Empress tree |
20 April |
1 June |
|
Styrax japonica |
Japanese snowbell |
15 April |
30 April |
|
Styrax obassia |
Fragrant snowbell |
27 April |
1 June |
|
Liriodendron tulipifera |
Tulip tree |
27 April |
1 June |
|
Syringa pekinensis |
Pekin lilac |
7 May |
1 June |
|
Cornus kousa |
Chinese dogwood |
14 May |
1 July |
|
Magnolia grandiflora |
Southern magnolia |
21 May |
15 June |
|
Lagerstroemia indica |
Crape myrtle |
20 July |
5 August |
|
Elaeagnus pungens |
Elaeagnus |
1 October |
15 October |
Vines |
|
|
|
|
Akebia quinata |
Five leaf akebia |
20 February |
1 June |
|
Wistaria sinensis |
Chinese wisteria |
13 April |
1 May |
|
Wistaria japonica |
Japanese wisteria |
19 April |
1 May |
|
Clematis x Nelly Moser |
Clematis |
27 April |
3 June |
|
Dolichos lablab |
Hyacinth vine |
15 September |
frost |
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