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Deer will browse the leaves of American Water Willow, while
beaver, muskrat, and nutria will consume the rhizomes. American
Water Willow provides shoreline stabilization around lakes and
American Water Willow may form dense
colonies making recreational activities difficult.
American Water-willow leaves are shiny green on top, pale on the
bottom, arranged opposite and have a long, narrow tapered
appearance very similar to the leaves of willow trees. The
tree bark is dark brown or black with ridges.
American Water-willow is found in places with an abundant water
and sunlight supply and is seen as both a shrub and a large tree
along streams, ponds and lake margins. It often has multiple
trunks, each with many branches coming from each.
The stems do not usually branch and have prominent whitish
lines. Water-willow flowers from May through October. The flowers
are on long stems originating from the base of the leaves. Flowers
are 5-petaled orchid-like (3/4 inch diameter), white with
purple/violet streaks on the lower petals. Water-willow can spread
from seeds and forms extensive rhizomes by which it forms colonies
and spreads rapidly.
Look for long, narrow, tapered leaves
much like a willow tree has. Leaves may have toothed edges.
A. Spot treat as
needed to maintain access from recreational activities. Remember
this plant is very beneficial and should not be treated where
it is not a nuisance.
A. Once water
temperatures are around sixty degrees or warmer.
A. One to two
treatments may be needed throughout the growing season.
A. It really depends
on the product you choose. For most vegetation, control will take
approximately 2 weeks however, tissue damage may be evident within
2 to 4 days with liquid formulations. Some products are slower
acting with results taking 30 days or more to achieve.
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