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Helianthus:
Common Name: Perennial
Sunflower. These
are the perennial relatives of the well-loved, towering sunflowers of our
childhoods. They make great long flowering, trouble free subjects for
the back of a sunny border. They will also grow well in dappled
shade.
Most are great in dry soils. Great
for bees. Most spread slowly - some do run a lot (e.g.
laetiflorus). Cut down the stems in early winter. Lift and divide every 2
or 3 years otherwise the plants can be very difficult to break up.
Some are said to be less hardy than others. In very cold winters the new
buds at the soil surface can be damaged, but in my experience the plants
recover well but may be a little later to flower. Some
species have chocolate scented flowers. This is only really noticeable if
you get your nose right into the bloom. Photo:
Helianthus Capenoch Star with Helenium
Königstiger in our garden 12 Aug 2010 ©
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