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Black-eyed Susan

Rudbeckia hirta · Asteraceae
Herb

Ornamental that flowers long from midsummer into autumn; gives honey bees little nectar and pollen and is more valuable to butterflies and wild bees.

Nectar
Low
Pollen
Low
Flowering
JanFebMarAprMayJunJulAugSepOctNovDec
Pollen colour
Height
0,3-0,9 m
Life cycle
Biennial

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Value for beekeeping

Native to North America, black-eyed Susan is a short-lived ornamental known for its yellow ray florets and dark brown, cone-shaped centre. The disc florets in the centre open in sequence from the outside inwards, so a single head can be visited for a long time. For the honey bee its nectar and pollen contribution is low; butterflies, wild bees and hoverflies benefit more.

Flowering

It flowers from June to September, and into October in good conditions.

Honey and pollen

There is no monofloral honey. The pollen loads are yellow.

Note for the beekeeper

It is not a plant to sow for honey yield; in bee-friendly garden designs it can be chosen for late-summer colour and diversity. It is quite drought-tolerant, easily grown from seed and can self-seed in the garden.

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