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There are many species of Water Lily plants; two of the more common
types of rooted floating leaf plants are White Water
Lily (Nymphaea spp.) sometimes referred to as Spatterdock
and Yellow Water Lily (Nuphar spp.) sometimes referred
to as Fragrant Water Lily.
The obvious white and yellow flowers identify each type. Water Lilies
can spread rapidly to water depths of four to five
feet. To achieve relief from lilies taking over a
pond or to create access to the lake the best option
for control is the application of a granular herbicide
like Navigate
Granular or
in some cases Rodeo
or Shore-Klear.
Q. What are the best control options?
A. Herbicide Application:
The best method is the application of Navigate, a
granular herbicide that is easy to apply. Navigate
Granular works systemically to insure control of
the roots for long lasting control. We recommend
Navigate for most lily situations because the granular
is easy to spread. It is not necessary to cover the
pads with Navigate just get the granules into the
waster within the treatment area.
Rodeo (larger container) or Shore-Klear (smaller container) each with
the same effective active ingredient are liquid remedies for easy to
reach lily areas. They must be sprayed onto a dry pad without washing
them off. We recommend spraying from a dock or the shoreline. If you
use a boat you must be careful not to create waves that will wash off
the pads immediately after treatment. Same systemic action as Navigate.
Cutting:
We do not recommend cutting. The lily’s thick tubers make cutting
difficult and re-growth can occur within just a few weeks.
Q. When is the best time to treat?
A. Navigate can be used all season. Water temperatures ideally should
be sixty degrees and above. Generally, as long as the plants are vibrant
they will respond well to treatment. Rodeo and/or Shore-Klear tend
to perform best when the plant is mature.
Q. How do I actually apply the product(s)?
A. The Navigate granules can be spread by a small Hand
held spreader or can be tossed by a hand scoop. The
liquid Rodeo or Shore-Klear is mixed with water and
sprayed with a
Solo
Backpack sprayer or a smaller hand tank sprayer available
at nearly all hardware or home supply stores.
Note: Backpack sprayers
cost more but they hold more product, get the job
done faster and are much easier to use than carrying a hand held sprayer
that are awkwardly carried and require frequent stooping, filling and
pumping. Once you use a back pack sprayer there is no going back – You
can use it for all your yard weed control and fertilizer applications
or use it to apply Flight
Control goose repellent.
Q. How often do I need to treat the Lilies?
A. Lily control can last anywhere from two to four years or more depending
upon adjacent lily influence. Two applications may be required initially.
Navigate, Rodeo and Shore-Klear kill the roots for longer control.
Q. How long before I see results?
A. Generally within ten days the edges will begin to yellow and curl.
The plants will drop from the water column within
three weeks.
Purchase
recommended products from our online store:
- Navigate Granular
- Rodeo / Shore-Klear
- Solo
Backpack sprayer
- Hand
held spreader
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