Terms of flowering honey plants in the USA and Canada

According to observations of naturalists and beekeepers.

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Common name:

Douglas hawthorn

Scientific name:

Crataegus douglasii.

Life form:

Tree, Shrub.

Flowering time:

no data.

Flowering period

in Quebec for this plant is: AprilMay.

NECTAR PRODUCTION:
56 - 112 kilograms per ha

SOURCE FOR HONEY BEES:
Minor


General distribution:

The most widespread occurrence of black hawthorn is in the Pacific Northwest, from southeastern Alaska south through British Columbia, Alberta, Washington, and Oregon to northern California. Inland distribution encompasses northern Nevada, Utah, Colorado, and Wyoming, western Montana, and Idaho. Douglas hawthorn may also be found as a disjunct in northern Michigan, Minnesota, Saskatchewan, and southern Ontario.

Map of distribution and habitat in Canada

This plant is present in at least 18 states/provinces in this country.

See The Map

Botanical description:

Black hawthorn is a large shrub or small tree ranging from 3.5 to 13.0 feet (1-4 m) tall and possessing straight, strong thorns 0.5 to 1.0 inch (1.00-2.50 cm) long. Leaves are generally 1.5 to 2.5 inches (3-6 cm) long, broad, and serrated at the tip. Blackish, smooth fruits are about 0.5 inches (1 cm) long. Numerous mosses and lichens are present upon the entire bark system.
Black hawthorn stems are usually clustered from the base or from a point just above the soil surface. Shade-killed lower limbs persist on the stem, creating large, dense thickets. Stems are very flexible and have been shown to withstand avalanche impact pressures of up to 10 tons per square meter.

Seasonal development:

This plant is flowering from April to May.

Black hawthorn fruits are considered ripe when they are black and lustrous. In Oregon fruit was dispersed from August 16 to 31, and in Washington from July 15 to 30.


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