In article
,
beecrofter wrote:

Do not overwater. Allow the medium to moderately
dry, then water thoroughly. Avoid watering in the late
afternoon as the foliage will stay wet during the night
and create an environment favorable for powdery
mildew.

Feed them with low phosphorus fertilizer, ie smaller middle number.

As for deadheading half the fun of sunflowers is watching the
goldfinches eat.

There is a danger here. One might end up feeding the birds suet,
sunflower seeds and Sugar 1/4. Then god forbid there is niger for the
hopeless lovers of beauty.

--
Bill S. Jersey USA zone 5 shade garden
What use one more wake up call?
http://ocg6.marine.usf.edu/~liu/Drif...atest_roms.htm