Lonicera caerulea (blue-berried honeysuckle or sweetberry honeysuckle) is a honeysuckle native throughout the cool temperate Northern Hemisphere. It is a deciduous shrub growing to 1.5–2 m tall. The leaves are opposite, oval, 3–8 cm long and 1–3 cm broad, glaucous green, with a slightly waxy texture. The flowers are yellowish-white, 12–16 mm long, with five equal lobes; they are produced in pairs on the shoots. The fruit is a blue berry about 1 cm in diameter. The fruit of blue-berried honeysuckle have been described as similar to raspberries, blueberries, black currants, or saskatoon berries.