Terms of flowering honey plants in the USA and Canada

According to observations of naturalists and beekeepers.

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Common name:

Slashed blackberry

Scientific name:

Rubus laciniatus.

Life form:

Shrub.

Flowering time:

16 - 23 days.

Flowering period

in Washington for this plant is: MayJuly.

NECTAR PRODUCTION:
30 kilograms per ha

SOURCE FOR HONEY BEES:
Major in some areas


General distribution:

The cutleaf blackberry is a native of Eurasia which has become widely naturalized in North America. It now occurs through much of the Northwest, from British Columbia to northern California west of the Cascades and eastward to Idaho. Cutleaf blackberry also grows throughout much of New England, extending westward to Michigan and southward to the Middle Atlantic States. It is locally established in parts of Montana, Wyoming, and Colorado. It is cultivated in Hawaii.

Map of distribution and habitat in USA

This plant is present in at least 30 states/provinces in this country.

See The Map

Botanical description:

Cutleaf blackberry is a semi-erect to erect and arching, much-branched shrub which grows up to 10 feet (3 m) in height. These shrubs often grow in a dense cluster. Stems often trail at the ends and are covered with numerous stout, curved thorns.

The stems of blackberries are generally biennial. Sterile first-year stems, known as primocanes, develop from buds at or below the ground surface and produce only leaves. Lateral branches, or floricanes, develop in the axils of the primocanes during the second year and bear both leaves and flowers.

Cutleaf leaves have five leaflets and are palmately or, less commonly, pinnately compound. Leaves are green on both surfaces, but hairy beneath. Leaflets are lacinate to dissected.

Perfect white-to-pink or rose flowers are borne in compound paniculate cymes. Fruit of the cutleaf blackberry is large, round, and shiny black in color. Fruit grows up to 0.8 inches (2 cm) in length and is made up of a few large, sweet, succulent drupelets.

Seasonal development:

Cutleaf blackberry is primarily regarded as an early seral species. It has been reported on initially disturbed and early immature stands in coniferous forests of southwestern British Columbia. Cutleaf blackberry is also abundant in old-field communities and on disturbed sites in the Northeast.

Seasonal development of the cutleaf blackberry varies according to geographic location and climatic factors.


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List of honey plants that may be blooming now in Washington
See the entire list

Rubus spectabilis (aka: Salmonberry)

Salix lucida (aka: Shining willow, Greenleaf willow, Tail-leaf willow, Whiplash willow, Pacific willow, Lance-leaf willow, Longleaf willow, Red willow, Western shining willow)

Salix scouleriana (aka: Scouler's willow, Upland willow)

Acer circinatum (aka: Vine maple)

Prunus emarginata (aka: Bitter cherry)

Malus fusca (aka: Oregon crab, Oregon crab apple, Pacific crab apple, Western crab apple)

Salix bebbiana (aka: Bebb willow, Beak willow, Beaked willow, Long-beaked willow, Diamond willow, Chaton, Petit Minou, Smooth Bebb willow)

Acer platanoides (aka: Norway maple)

Rubus ursinus (aka: California blackberry, California dewberry, California grapeleaf dewberry, Douglasberry, Pacific blackberry)

Salix lemmonii (aka: Lemmon's willow, Lemmon willow)

Salix planifolia (aka: Diamondleaf willow, Planeleaf willow)

Salix boothii (aka: Booth's willow)

Salix amygdaloides (aka: Peachleaf willow, Peach leaf willow)

Robinia pseudoacacia (aka: Black locust, False acacia, Yellow locust, White locust, Green locust, Post locust, Falsa acacia, Robinia)

Ajuga reptans (aka: Bugle, Blue bugle, Bugleherb, Bugleweed, Carpetweed, Carpet bugleweed, Common bugle, St. Lawrence plant)

Astragalus (aka: Milkvetch, Locoweed, Goat's-thorn)

Rubus laciniatus (aka: Cutleaf blackberry, Evergreen blackberry, Slashed blackberry)

Rhus glabra (aka: Smooth sumac, Common sumac, Rocky Mountain sumac, Red sumac, Western sumac, White sumac)

Salix geyeriana (aka: Geyer willow, Silver willow)

Brassica napus (aka: Rapeseed)

Allium schoenoprasum (aka: Chives)

Sinapis arvensis (aka: Charlock mustard, California rape, Charlock, Corn mustard, Canola, Kaber mustard, Rapeseed mustard)

Prunus serotina (aka: Black cherry, Wild black cherry, Rum cherry, Mountain black cherry, Wild cherry)

Calendula officinalis (aka: Marigold, Calendula, Pot marigold, English marigold)

Prunus virginiana (aka: Chokecherry, Western chokecherry, Common chokecherry, Black chokecherry)

Salix glauca (aka: Grayleaf willow, Gray willow, Gray-leaved willow)

Vaccinium corymbosum (aka: Highbush blueberry, High-bush blueberry, Northern highbush blueberry, Tall blueberry, Rabbiteye blueberry, Blue huckleberry, Tall huckleberry, Swamp huckleberry, High blueberry, Swamp blueberry)

Rubus idaeus (aka: Raspberry, Black-haired red raspberry, Brilliant red raspberry, American red raspberry, Red raspberry, Smoothleaf red raspberry, Wild raspberry, Wild red raspberry, Grayleaf raspberry)

Rubus parviflorus (aka: Thimbleberry, Western thimbleberry)

Salix brachycarpa (aka: Shortfruit willow, Barren-ground willow, Small-fruit sand dune willow, Small-fruit willow)

Amorpha fruticosa (aka: Desert false indigo, False indigo-bush, Bastard indigobush, Indigo Bush)

Brassica rapa (aka: Field mustard, Common mustard, Wild mustard, Wild turnip, Forage turnip, Wild rutabaga, Birdsrape mustard, Rape mustard)

Echium vulgare (aka: Viper's bugloss, Blueweed, Blue thistle)

Salsola kali (aka: Russian thistle, Tumbleweed, Prickly saltwort)

Rubus armeniacus (aka: Himalayan blackberry, Rubus discolor, Rubus procerus)

Agastache foeniculum (aka: Giant hyssop, Blue giant hyssop, Anise hyssop, Fragrant giant hyssop, Lavender giant hyssop)

Chamaenerion angustifolium (aka: Fireweed, Great willowherb, Rosebay willowherb, Saint Anthony's Laurel, French-willow)

Cucumis melo (aka: Cantaloupe, Rockmelon, Sweet melon, Spanspek, Honeydew melon, Honeymelon, Crenshaw, Casaba)

Borago officinalis (aka: Borage, Starflower, Common borage, Cool-tankard, Tailwort)

Cirsium arvense (aka: Creeping Thistle, Canada thistle, Field thistle, California thistle, Lettuce from hell thistle, Corn thistle, Cursed thistle, Green thistle, Hard thistle, Perennial thistle, Prickly thistle, Small-flowered thistle, Way thistle, Stinger-needles)