Bloom Calendar This ‘Bloom Calendar’ Lists Flowering Times in Chronological Order, by Month

Bloom Calendar This ‘Bloom Calendar’ lists flowering times in chronological order, by month. Please note that the bloom times listed are for our Mid-Atlantic location. Flowers will bloom later in the North and earlier in the South. Name Description January - March Hamamelis vernalis sp. - red calyx, yellow petals, effective for 3-4 weeks Hamamelis x ‘Firecracker’ - coppery red-orange intermedia ‘Arnold Promise’ - yellow flowers, appear in February and last into March *H. x intermedia flowers often last January into mid March, depending on cv. March Cornus officinalis sp. - yellow, lasts early March to April *C. officinalis almost always opens 1-2 weeks before C. mas Cornus mas ‘Golden Glory’ - yellow, vigorous, flowers more abundantly than sp. Magnolia stellata ‘Royal Star’ - pink buds, white flowers ‘Waterlily’- pink-flushed buds, white flowers, very fragrant *‘Waterlily’ & ‘Centennial’ flower 1 to 2 ‘Centennial’ |----early March - white buds, white flower with pink tinge weeks later than other star magnolias. Prunus subhirtella var. pendula - deep pink bud, flowers open light pink and fades to almost white Prunus x yedoensis ‘Yoshino’ - white flowers tinged with pink, lightly fragra *’Yoshino’ blooms a week before ‘Kwanzan’ Prunus serrulata ‘Kwanzan’ - pink, double flower with 30 petals late March late April Viburnum sp. - flowers late March to early April burkwoodii ‘Conoy’- pink buds, white flower, non-fragrant ‘Mohawk’- dark red buds, abundant red-specked white flowers, fragrant Cercis reniformis ‘Oklahoma’ - pink buds, wine-red flowers Cornus florida ‘Cherokee Chief’ - ruby-red bracts, blooms a few days later than white form Magnolia ‘Ann’ - deep rose-red flowers, light pink inside *’Ann’ blooms earlier than ‘Betty’ ‘Betty’ - flowers deep purple-red, light purple inside, very large, mid to late April |------------early April ‘Galaxy’ - dark red-purple buds, purple flower with a light rose-purple inside. *’Galaxy’ flowers last several weeks Amelanchier x ‘Autumn Brilliance’ - white, followed by edible blue-black fruits in June grandiflora Cercis canadensis sp. - red-purple buds, rosy pink flowers with purple tinge before leaves emerge,e ffective 2-3 weeks ‘Pink Heartbreaker’ - pink, weeping ‘Lavender Twist’- red-purple buds, rosy- pink flowers, weeping ‘Forest Pansy’ - rose-purple buds and flowers *’Forest Pansy’ blooms later than the species Syringa meyeri ‘Palibin’ - red-purple buds, white pink flowers, soft fragrance, covers plant, effective 10-14 days, lasts mid April to mid May *all Syringa flowers last longer with a cooler spring Spiraea x vanhouttei sp. - white flowers borne on umbels ‘Renaissance’- improved version with better pest resistance, white flowers mid April into May. Viburnum plicatum ‘Popcorn’ - white snowball flowers in profusion, blooms earlier than otherV. plicatum cvs. & V. plicatum var. ‘Summer Snowflake’- smaller flowers than species, flowers prominently in spring tomentosum ’Summer Snowlflake’ flowers sporadically into November ‘Shasta’ & ‘Mariesii’ - very similar with pure white flowers, ‘Shasta’ supposedly has a larger flower, flowers last May to July |----------------------------------------------------mid-April Name Description April Viburnum ‘Eskimo’- abundant white snowball inflorescences, covers plant *very showy Prunus serrulata ‘Snow Goose’- white, bloom before or with foliage Viburnum carlesii cvs. - pink/red buds, white semi-snowball flowers, fragrant ‘Diana’- red buds, white flowers turn pink, fragrant Viburnum x rhytidophylloides ‘Alleghany’- abundant yellow-white flowers, evergreen |-----------mid April Viburnum x carlcephalum sp. - pink buds, white flowers, fragrant, ‘lumpy’ inflorescences Syringa vulgaris sp. - purple flowers, fragrant, gone by Mother’s Day in D.C. area ‘Ludwig Spaeth’- deep purple single flowers *dependable flowering ‘Sensation’ - deep purple single flowers with white margins ‘Charles Joly’ - magenta dbl flowers, very fragrant ‘Katherine Havemeyer’- lavender pink, large dbl flowers *’K.H.’ blooms longer than other cvs. |---------------late April |---------------late Halesia tetraptera sp. - white, rarely pale rose, bell-shaped, emerges before or with the leaves May Syringa x prestoniae ‘Minuet’ - light purple buds, light lavender flowers ‘Miss Canada’ - deep red buds, bright rose-pink flowers Styrax japonicus Sp. - white bell-shaped flowers with yellow stamens, slightly fragrant Magnolia ‘Jane’ - dark purple flowers, white inside *a late blooming Magnolia Viburnum dentatum ‘Blue Muffin’- white flowers, loaded with blue fruits in summer Viburnum ‘Chesapeake’ - pink buds, white flowers, fragrant Magnolia virginiana sp. - creamy white flowers, very fragrant Cornus kousa ‘Weaver’s Weeping’ - white, weeping * blooms earlier than other C. kousa Syringa patula ‘Miss Kim’ - purple buds, icy blue flowers, pleasing fragrance |-----------------------------early May Syringa x josiflexa ‘James Macfarlane’ - bright pink flowers, single, light fragrance Physocarpus opulifolius cvs - white or pink flowers over bronze-purple foliage Viburnum rhytidophyllum ‘Cree’ - pink buds, abundant white flowers on large cymes Syringa x prestoniae ‘Donald Wyman’ - red-purple buds, deep pink to light purple flowers Aesculus octandra sp. - yellow with a green tinge, erect 6-7” long panicles *blooms earlier than A. x carnea Aesculus x. carnea sp. - yellow with green, on long panicles ‘Briotii’ - dark red flowers, deeper red than the species |----------------late May |----------------late ‘Ft. McNair’ - pink flowers with yellow throats Summer & Fall Cornus kousa var. chinensis - creamy white, larger flowers than sp., bloom after leaves are out ‘Wolf Eyes’- creamy white flowers, variegated leaves with white margins Cotinus coggygria ‘Royal Purple’ - smoky pink hairy panicles through summer |-------June Hydrangea quercifolia cvs. - white flowers fade to pink to brown, fragrant *lasts through July Hydrangea paniculata cvs. - white, changing to pink to purplish pink, borne on pyramidal panicles approximately 6-8” long. *lasts well into September Hibiscus syriacus cvs. - bloom July through September, many cultivars available Heptacodium miconioides sp. - creamy white, fragrant, attracts butterflies & pollinators |-----------July Hamamelis virginiana sp. - yellow, fragrant, lasts 2-4 weeks, usually during fall color Fall Heptacodium miconioides sp. - pink sepals last from October into November Ilex verticillata cvs. - colorful berries in December, last into February.

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