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8/9/2019 How to Build a Rain Gardens
1/21
WestVirginiaConservationAgency
IncooperationwiththeChesapeakeBayProgram
8/9/2019 How to Build a Rain Gardens
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A"raingarden"isamanmadedepressioninthegroundthatisusedasa.
"bioretention area"by
collecting
water
runoff
and
storing
it,
permitting
ittobefilteredandslowlyabsorbedbythesoil.
Graphiccompliments
of
Sleepy
Creek
Watershed
Association
8/9/2019 How to Build a Rain Gardens
3/21
w
agriculturalland,
increased
runoff
from
impervious
surfacesbecomesa roblem.
Stormwaterrunofffromdevelopedareasincrease
flooding;carries
pollutants
from
streets,
parking
lots
andevenlawnstolocalstreams;andleadstocostlymunicipalimprovementsinstormwatertreatment.
8/9/2019 How to Build a Rain Gardens
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Increasedfiltration
Rechargeaquifers
Protection
from
flooding
Waterqualityprotectionfrompollutants
Enhancedbeauty
Habitatforwildlife
owma ntenance
8/9/2019 How to Build a Rain Gardens
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Raingardens
are
suitable
for
any
land
use
situation
residential,commercial,andindustrial.Araingardenshouldbeplacedsothatimpervioussurfaces
will
drain
into
the
depression
area.
Its
purpose
is
to
waterenteringconventionalstormdrainsandnearbystreamsandrivers.
8/9/2019 How to Build a Rain Gardens
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Doesarain
garden
form
apond?No,therainwaterwillsoakinsothatthegardenisdrybetweenrainfalls.
Aretheyabreedinggroundformosquitoes?No,mosquitoesneed7to12daystolayeggsandhatch waterwillstandingardenonlyafewhours.
Dotheyrequirelotsofmaintenance?Theycanbemaintainedwithlittleeffortaftertheplantsareestablished.
ome wee ng
an
water ng
w
enee e
rst
year
or
two.
Isaraingardenexpensive?
8/9/2019 How to Build a Rain Gardens
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GraphiccomplimentsofSleepyCreekWatershedAssociation
8/9/2019 How to Build a Rain Gardens
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a ea vantageo ex st ng ra nagepattern
Notedirectionofrunoffandwherewatercollectsb usin thewaterhosemethod
Everysiteisunique!
Checkyoursoils
8/9/2019 How to Build a Rain Gardens
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Avoidcreatingyourgardentooclosetoyourbuildingfoundation
Stayaway
from
septic
drain
field
CallMISSUTILITYbeforedigging! 1800.245.4848Avoidservicelinesorutilities
Trynottoputyourgardendirectlyunderatree needsfullor artialsun
8/9/2019 How to Build a Rain Gardens
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Integrateintoexistingandfuture
landscaping
Payattentiontoviewsfrominsideand
outsidethe
house
as
well
as
throughout
the
landscape
Thinkdiversity
and
mix
itup
Sketchitfirst
8/9/2019 How to Build a Rain Gardens
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T icalrain ardenran esfrom100to 00
squarefeet.
Sizingwilldependupon:
Howdeepthegardenwillbe
Typeof
soil
Howmuchdrainageareayouwillbehandling
Typicalgardenis4to8inchesdeep
Keepthegardenlevel!
8/9/2019 How to Build a Rain Gardens
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GraphiccomplimentsofSleepyCreekWatershedAssociation
8/9/2019 How to Build a Rain Gardens
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Again 3to4depression c as ape!
Ifyour
soil
lacks
organic
matter,digdipperandadd2to3 nc eso compostorhumus.
Level! Createaberm onlower
sideofgardentoholdwater
se
ownspoutextens ons
orshallowditchtodirectwaterintoyourgarden
Graphicfrom
Rain
Gardens
A
how
to
manual
for
homeowners
8/9/2019 How to Build a Rain Gardens
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Researchyourplants
Choosedrou httolerant lants
Gonative!
Considerhei ht bloomtime colorandoveralltexture
Chooseplantsthatbloomatdifferenttimestocreatelongerflowering season
Mixitu
Digplantholetwiceaswideastheplantplug
Nottoodee !
Mulch(2thick)
Water
Integratestone,ornamentalfences,trailsorgardenbenches
8/9/2019 How to Build a Rain Gardens
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Weedingfirst
two
years
Pruningasneeded
Leavedead
or
dormant
lants
standin
and
cut
back
in
s rin
Mowit!
Workinprogress addtoorshareyourplants
8/9/2019 How to Build a Rain Gardens
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BlueeyedGrass
Phlox
BeeBalm
SpicebushCanada
Wild
Rye
BottlebrushGrass
Butterflyweed
Joepye Weed
Coreopsis
Veronica SwitchgrassGoldenrodConeflower
GoldenSeal SolomonsSealBluestemgrass
Mountainlaurel
VirginiaWildRye
Hayscented
grass
CardinalFlower
8/9/2019 How to Build a Rain Gardens
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BerkeleyCounty
Judicial
Center Martinsburg,WVPlantedAugust2007Opequon CreekProjectTeam
8/9/2019 How to Build a Rain Gardens
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LocalGardens
Dorcas ElementarySchool MillCreekoftheSouthBranch PlantedApril2008incooperationwithlocalMasterGardeners
8/9/2019 How to Build a Rain Gardens
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AddaRainBarrelYour
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WaterConservationBenefits
Waterusageincreasesby30%insummer
Stormwater
Management
Raiseenvironmentalawareness!
TheyreFUN!
8/9/2019 How to Build a Rain Gardens
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WestVirginiaConservationAgency
304.538.7581
or
WVDepartmentofEnvironmentalProtection
0 .822. 266