I have been offered several seedling trees that are favoured by bees. I've not seen them but the trees are described as having pendulous small purple flowers (sort of like lilacs) and reseed readily. The grower doesn't know what they are called in English but says they are very common in Europe. The name sounds like 'au-gou-sta'(?) in German. I quite enjoy watching my bees at home work and would welcome another forage source. - But don't want to end of with 20 acres of strange 'trees' and pounds of even stranger honey. Any beekeeper/horticulturalists that may have an identity?