Lawn & Weed Control
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YELLOW NUTSEDGE
(CYPERIS ESCULENTUS)
- warm season perennial also called
Nutgrass - most common species are Yellow and Purple Nutsedge
- very aggressive tuber (nut or nutlets) root system
- after one year each tuber can create up
to 2000 plants and up to 6000 more
tubers - can grow from 6″ to 2.5′ tall
- control of this weed is very difficult
- Recommended Product: Hi-Yield Nutsedge Control (a selective post emergent herbicide) or Sedgehammer
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BARNYARD GRASS
(ECHINOCHLOA CRUS-GALLI)
- warm season annual
- fibrous root system
- can grow 1′-5′ tall
- plant matures in 60 days and can
produce up to 40.000 seeds - reacts to both pre and post emergents
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YELLOW NUTSEDGE
(CYPERIS ESCULENTUS)
- warm season perennial also called
Nutgrass - most common species are Yellow and Purple Nutsedge
- very aggressive tuber (nut or nutlets) root system
- after one year each tuber can create up
to 2000 plants and up to 6000 more
tubers - can grow from 6″ to 2.5′ tall
- control of this weed is very difficult
- Recommended Product: Hi-Yield Nutsedge Control (a selective post emergent herbicide) or Sedgehammer
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BLACK MEDIC
(MEDICAGO LUPULINA)
- Cool season annual
- Reproduces by seed
- Shallow rooted with slender stems
spreading 12″- 24″ - occurs in a wide variety of lawn and
soil conditions - has bright yellow flowers in clusters
of up to 50 flowers - reacts to both pre and post emergents
- Recommended ferti-lome Products: Weed Free Zone, Broadleaf Weed Control with Gallery,
Weed Out with Q
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CRABGRASS
(DIGITARIA SPP.)
- Warm season annual
- Mat forming
- Height to 3′
- Leaves are 1/4″ to 1/2″ wide and 2″- 6″
long - Crabgrass can be found in moist, warm
soils where lawns are thin or mowed too
short.
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DANDELION
(TARAXICUM OFFICINALE)
- cool season perennial
- reproduces by seeds and root pieces
- has a long sturdy taproot
- the flowers are yellow and up to 2″ in
diameter on up to 20″ long stems - the flowers ripen to become puffballs
of seeds from Spring until Fall - reacts to some but not all
pre-emergents and most post
emergents - Recommended ferti-lome Products: Weed Free Zone, Broadleaf Weed Control with Gallery, Weed Out with Q, Hi-Yield Products: Turflon Ester Ultra, 2, 4-D
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HENBIT
(LAMIUM AMPLEXICAULE)
- Cool season annual
- reproduces by seeds and rooting stems
- stems droop then turn upright to 16″
tall and may root where they touch the
ground - grows in many different soil types
- reacts to both pre and post emergents
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KNOTWEED
(POLYGONUM ARENASTRUM)
- warm season annual
- has a taproot to 18″
- plant is prostrate and mat forming
- reproduces by seed
- found mostly in heavy compacted soils
- reacts to pre and post emergent
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LAMBSQUARTERS
(CHENOPODIUM ALBUM)
- warm season annual
- short multi-branched taproot
- can grow to 5′ tall
- each plant is capable of producing
thousands of seeds - reacts to pre and post emergents
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PIGWEED
(AMARANTHUS SPP)
- warm season annual
- has a shallow taproot and grows upright
to 5′ - reproduces by seed
- reacts to both pre and post emergents
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PLANTAIN
(PLANTAGO MAJOR)
- Cool season perennial
- reproduces by seed
- forms an upright or spreading stand of
broad oval leaves 8″ – 20″ tall - occurs in damp compacted soils
- responds to both pre and post
emergents
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POANNA
(POA ANNUA)
- Cool season annual
- has a fibrous root system and can grow
to 15″ tall - occurs in wet compacted soils in cooler
temperatures - lacks tolerance to environ extremes
- apply pre-emergent in early Fall to help
control this weed
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PRICKLY LETTUCE
(LACTUCA SERRIOLA)
- cool and warm season annual
- has a deep tap root and can grow to 5′ in
height - spreads by seeds
- reacts to both pre and post emergents
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PROSTRATE SPURGE
(EUPHORBIA SUPINA2)
- Summer annual
- reproduces by seed
- has a central taproot where prostrate
stems form a mat up to two feet across - found in poor, thin, drought stressed
soils - reacts to pre and post emergents
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QUACKGRASS
(ELYTRIGIA REPENS)
- Cool season perennial
- reproduces by seeds and rhizomes
- spreads by rhizomes that are 2″ – 8″
deep - can grow to 4′ tall
- resistant to pre-emergent
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WITCHGRASS
(PANICUM CAPILLARE)
- warm season annual
- reproduces by seed
- can grow 1′ – 3′ tall
- prefers disturbed soils areas
- reacts to pre and post emergents
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