For Tim Vaughan:

I just received a package of publications about pollen
analysis and honey for Quebec honey plants. Here are
some numbers you may already have (my free
translations from French articles). References are not
new but may be interesting :
- Raspberries is a very melliferous plant : 30 mg of
nectar par flower and per day with 70% sugar content
(1)
- Its pollen is rich in nitrogen, element used in
proteins (2)
- Yield : 51 to 100 kg honey/ha (3)

In this article, author says its melliferous potential
varies with climate, of course, and could be
under-estimated in Quebec. Major apiaries here sell
raspberries honey, I guess harvested during
pollination contracts, although I more and more doubt
about floral origin indicated on labels.

(1): Marie-José Feller - La productivité de nos
plantes mellifères, L'Abeille, mars 1984, p15.
(2):Maurizio, A et I Grafl, 1980. Das
Trachtpflanzenbuch. Ekrenwirth
(3): Crane, E., 1975. Honey - A comprehensive survey.
Heineman, London






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