Although weather and other variables play their part, we can pretty much predict from year to year what will bloom and when. Here’s a partial list of plants you’re likely to find flowering at Coastal Maine Botanical Gardens at various times. If you want to narrow down the dates as the estimated bloom times approach, simply contact us at 207-633-4333 or info@mainegardens.org.
Winter
Harry Lauder’s Walking Stick
Witch hazel
Bright-red stems and trunks
Berries and pods
Plumes of tall grasses
April
Early spring bulbs
Spring ephemerals
May
Asarum europium/European ginger
Tiarella cordifolia/foam flower
Narcissus/daffodil
Viburnum
Magnolia
Enkianthus/Redvein
Rhododendron
Azalea
June
Rhododendron
Azalea
Cornus kousa
Cornus sericea/redtwig
Viburnum
Geranium macrorhizum
Iris ensata
Iris siberica
Rose
Trillium
Lady's Slipper
July
Campanula
Hosta
Astilbe
Hydrangea
Spirea
Clethra/Summersweet
Rogersia
Rose
Delphinium
Lavender
Geranium 'Roseanne'
Water lily
Japanese Iris
Veronica
Daylily
Clematis
August
Nepeta
Miscanthus
Rudbeckia
Sedum
Chelone
Astrantia
Cimicifuga
Water lily
Daylily
Hosta
Clematis
Rose
Delphinium
Russian Sage
Hydrangea 'Endless Summer'
September
Angelica
Cimicifuga
Aster
Nepeta
Astrantia
Veronica
Veronicastrum
Anemone
Clematis
Rose
Coreopsis
Eupatorium
Russian sage
Aconitum
Hydrangea 'Endless Summer'
October
Many of the same flowers as in September
Plumes of tall grasses
Magnificent fall color