Part of the
You Can Learn Landscaping and Gardening series.
By Ken Brown
Editor, YouCanLearnSeries.com
Updated: September 17,
2005
The Threadleaf Coreopsis produce blooms in early to late summer. It is
also known as tickweed or tickseed. The flowers of the threadleaf coreopsis are
normally yellow with a light brown center.
You should plant in full sun in well drained areas. They are hardy in hot dry
areas and withstand poor soil conditions. They are native American
wild-flowers.
Place these plants toward the front of the garden as they only grow to a height
of 1 and a half feet. They grow to a width of 2 to 3 feet. When I first saw the
plant, I was terribly disappointed. It looked like a scraggly weed. But once it
came into bloom and the 5 plants I have filled in with flowers, the arrangement
was stunning. Do not plant this perennial as one plant. It looks best as a
grouping of at least three or four.
Though they withstand dry summer heat, water if they begin to wilt. If you
water the threadleaf coreopsis too much, then it will become overly vigorous
and it won't flower as much. It is best to not baby the plant. Don't fertilize
it or add special amendments to the soil. Just plant and add mulch.
Plant in full sun and with other plants requiring little water such as
coneflowers and russian sage. To keep it flowering all summer long you can
deadhead the flowers. If you choose to make home bouquets with them then you
won't have to deadhead.
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