Terms of flowering honey plants in the USA and Canada

According to observations of naturalists and beekeepers.

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Common name:

Coyote willow

Scientific name:

Salix exigua.

Other common name(s):

Narrowleaf willow, Coyote willow.

Life form:

Shrub-tree.

Flowering time:

no data.

Flowering period

in Montana for this plant is: AprilMay.

NECTAR PRODUCTION: 
No data
 
SOURCE FOR HONEY BEES:
Minor

General distribution:

Narrowleaf willow is a widely-distributed species of plains and lower elevations to lower montane habitats in western North America. It occurs from Saskatchewan to eastern British Columbia, south through the western United States to Texas, Baja California Norte, and Chihuahua. While widespread in the Rocky Mountain, Great Basin, and desert regions, narrowleaf willow occurs entirely east of the Cascade Range.

Map of distribution and habitat in USA

This plant is present in at least 16 states/provinces in this country.

See The Map

Botanical description:

Narrowleaf willow is a native, winter-deciduous shrub that grows up to 33 feet (10 m) tall. More commonly, narrowleaf willow is 6.5 to 20 feet (2-6 m) tall with many erect shoots. Individual stems arise singly or a few together and form large colonies from spreading roots. Lateral roots of narrowleaf willow produce root sprouts in profusion, often in long rows. These shoots elongate rapidly in spring. Narrowleaf willow also resprouts from the root crown.

Individual stems often only live 10 years, though some may reach 20 years. Shoot length, leaf length, number of leaves per shoot, and mean internode length all decrease with age.

Narrowleaf willow is alternately described as "deep-rooted" and shallow-rooted. Roots are woody and spreading, forming an extensive root system, especially with the development of large clones.

Narrowleaf willow leaves are linear to linear-elliptic and acute at both ends. Leaf size ranges from 0.8 to 6 inches (2-15 cm) long and 0.1 to 0.8 inch (3-20 mm) wide.

Narrowleaf willow produces flowers in catkins 0.6 to 4 inches (1.5-10 cm) long. Catkins are first produced with or just after leaves, though flowering may occur in succession throughout the summer.

Narrowleaf willow is both drought-resistant and very tolerant of flooding; it can withstand flooding for periods of 2 or more growing seasons.

Willows are very frost tolerant. Mature leaves and winter-dormant stems are capable of surviving temperatures of -4 oF (-20 oC) and -94 oF (-70 oC) respectively. However, frosts during the early growing season can cause severe damage to the fast-growing shoots. Temperatures <28 oF (-2 oC) will kill the elongation zone soon after exposure. Lateral buds below the damaged shoot rapidly form new shoots.

Seasonal development:

Narrowleaf willow flowers appear with or just after the leaves in mid- to late spring. Flower buds in willows are formed during the season prior to flowering and are likely activated by specific temperature thresholds or accumulated heat units; however, narrowleaf willow also initiates flowers at the tips of current shoots throughout the growing season. Narrowleaf willow may continue to flower sporadically through the growing season following a peak flowering period in May. Willows demonstrate a strong thermal control over flowering, which occurs in response to heat pulses and may be delayed by cold spells.

Narrowleaf willow seeds are generally released during a 1- to 2-month period from mid-May to mid-July; however, seed release may continue through October. Seed dispersal may correspond to low water levels, which may be important for reducing the number of seeds washed away and allowing seeds to germinate when soils are moist but not inundated.

Narrowleaf willow is winter deciduous.


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

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

Prunus emarginata (aka: Bitter cherry)

Prunus pumila (aka: Sandcherry, Western sandcherry, Eastern sandcherry, Great Lakes sandcherry)

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

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

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

Rhamnus cathartica (aka: Common buckthorn, European buckthorn, Dahurian buckthorn)

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

Populus tremuloides (aka: Quaking aspen, Trembling aspen, Aspen, American aspen, Mountain aspen, Golden aspen, Trembling poplar, White poplar, Popple, Alamo Blanco)

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

Salix lutea (aka: Yellow willow)

Salix geyeriana (aka: Geyer willow, Silver willow)

Allium schoenoprasum (aka: Chives)

Brassica napus (aka: Rapeseed)

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

Gleditsia triacanthos (aka: Honey locust, Honey shucks locust, Common honeylocust, Sweet bean locust)

Prunus pensylvanica (aka: Pin cherry, Fire cherry, Bird cherry)

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)

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

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

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

Rubus parviflorus (aka: Thimbleberry, Western thimbleberry)

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

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)

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

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

Asclepias syriaca (aka: Сommon milkweed, Butterfly flower, Silkweed, Silky swallow-wort, Virginia silkweed)

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)

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

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