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How to Prune and Care for a Hydrangea First of all, you don’t have to prune if you don’t want to! Just clean out dead wood, and trim back dead flowers to the first live buds. As there are many types of hydrangeas, pruning and care of hydrangeas may differ slightly with each. • The most common types of hydrangea are the Mopheads and Lacecaps (H. macrophylla – big leaf). These are the varieties with large, globe-shaped flowers that many of us remember as kids. Prune these in late summer, right after they finish blooming. Thin out ¼ of the stems, and snip back the branches to just above live buds. • The Oakleaf hydrangea (H. quercifolia) is another commonly grown variety. With its unique fall color and oakleaf-shaped foliage, this variety usually provides year-round interest. Tolerates drier conditions. Oakleaf is best pruned in late winter/early spring. • Panicle (H. paniculata), or Pee Gee, exhibits white, cone shaped flowers in summer. Prune to remove spent blooms and thin or cut back the plant in late winter/early spring. • H. arborescens Smooth hydrangea, (Annabelle), can be pruned (to the ground) each winter or early spring as well. • The hydrangea vine or climbing hydrangea (H. anomala) doesn’t usually require pruning but may be done in order to keep the new shoots under control. Hydrangeas do not like extremely hot conditions, so plant them in an area with afternoon shade. They aren’t fussy, but they prefer rich, moist soil that drains easily. They enjoy deep watering at least once a week, especially in dry weather. Compost prior to planting is helpful, as is a layer of mulch. Organic fertilizer or compost once or twice a year in spring and early summer is appreciated too. Hydrangeas in Containers Choose a large container (at least 18 to 20 inches in diameter) for your hydrangea. If your container doesn’t have holes for drainage, drill some into the bottom. Water that stands around the roots can cause rotting. Tip – put a layer of Styrofoam peanuts, or gravel at the bottom for drainage. While you don’t have to use dwarf hydrangeas in pots, you may want to if your space is limited. Hydrangeas don’t just get tall; they also get bushy. Otherwise, plan on doing some pruning as your plants grow. Caution: while you’re doing your research, check to see if your variety flowers on old or new wood. If you prune at the wrong time of year, you’ll loose next year’s flowers. Use a good quality potting soil with organic matter, not ordinary garden soil. Plant the hydrangea at the same level that it was in its original pot (that is, don’t plant it deeper or higher than it was already growing). Leave some room below the rim of the pot, so you can water. Gently firm the soil around the roots to eliminate air pockets. When the top inch or so of the potting mix feels dry, water your hydrangea thoroughly. Although it’s better to underwater than overwater, hydrangeas will signal you by wilting when they need a drink. That can stress them, so check them every day or so. After a little while, you’ll get a feel for how often to water. You may need to step up your watering in periods of drought or high temperatures. Hydrangeas don’t need a lot of fertilizer, but you can feed your plants once or twice a year with an organic balanced fertilizer, or compost. Don’t fertilize after July or August; feeding later encourages tender, new growth, just when hydrangeas need to start going dormant for the winter. HYDRANGEAS With immense flower heads, hydrangeas have an old- fashioned charm that is hard to resist. Colors are beautiful, with clear blues, vibrant pinks, frosty whites, lavender, and rose. Easy to grow, these are a summer staple in our area, a must in any partly shaded area. Inland Bays Garden Center Gardening to make a difference 38320 Muddy Neck Road Frankford, DE 19945 302-539-1839

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Page 1: How to Prune and Care for a Hydrangea Hydrangeas in Containers · Hydrangeas don’t need a lot of fertilizer, but you can feed your plants once or twice a year with an organic balanced

HowtoPruneandCareforaHydrangeaFirstofall,youdon’thavetopruneifyoudon’twantto!Justcleanoutdeadwood,andtrimbackdeadflowerstothefirstlivebuds.Astherearemanytypesofhydrangeas,pruningandcareofhydrangeasmaydifferslightlywitheach.• Themostcommontypesofhydrangeaare

theMopheadsandLacecaps(H.macrophylla–bigleaf).Thesearethevarietieswithlarge,globe-shapedflowersthatmanyofusrememberaskids.Prunetheseinlatesummer,rightaftertheyfinishblooming.Thinout¼ofthestems,andsnipbackthebranchestojustabovelivebuds.

• TheOakleafhydrangea(H.quercifolia)isanothercommonlygrownvariety.Withitsuniquefallcolorandoakleaf-shapedfoliage,thisvarietyusuallyprovidesyear-roundinterest.Toleratesdrierconditions.Oakleafisbestprunedinlatewinter/earlyspring.

• Panicle(H.paniculata),orPeeGee,exhibitswhite,coneshapedflowersinsummer.Prunetoremovespentbloomsandthinorcutbacktheplantinlatewinter/earlyspring.

• H.arborescensSmoothhydrangea,(Annabelle),canbepruned(totheground)eachwinterorearlyspringaswell.

• Thehydrangeavineorclimbinghydrangea(H.anomala)doesn’tusuallyrequirepruningbutmaybedoneinordertokeepthenewshootsundercontrol.

Hydrangeasdonotlikeextremelyhotconditions,soplanttheminanareawithafternoonshade.Theyaren’tfussy,buttheypreferrich,moistsoilthatdrainseasily.Theyenjoydeepwateringatleastonceaweek,especiallyindryweather.Compostpriortoplantingishelpful,asisalayerofmulch.Organicfertilizerorcompostonceortwiceayearinspringandearlysummerisappreciatedtoo.

HydrangeasinContainersChoosealargecontainer(atleast18to20inchesindiameter)foryourhydrangea.Ifyourcontainerdoesn’thaveholesfordrainage,drillsomeintothebottom.Waterthatstandsaroundtherootscancauserotting.Tip–putalayerofStyrofoampeanuts,orgravelatthebottomfordrainage.Whileyoudon’thavetousedwarfhydrangeasinpots,youmaywanttoifyourspaceislimited.Hydrangeasdon’tjustgettall;theyalsogetbushy.Otherwise,planondoingsomepruningasyourplantsgrow.Caution:whileyou’redoingyourresearch,checktoseeifyourvarietyflowersonoldornewwood.Ifyoupruneatthewrongtimeofyear,you’llloosenextyear’sflowers.Useagoodqualitypottingsoilwithorganicmatter,notordinarygardensoil.Plantthehydrangeaatthesamelevelthatitwasinitsoriginalpot(thatis,don’tplantitdeeperorhigherthanitwasalreadygrowing).Leavesomeroombelowtherimofthepot,soyoucanwater.Gentlyfirmthesoilaroundtherootstoeliminateairpockets.Whenthetopinchorsoofthepottingmixfeelsdry,wateryourhydrangeathoroughly.Althoughit’sbettertounderwaterthanoverwater,hydrangeaswillsignalyoubywiltingwhentheyneedadrink.Thatcanstressthem,socheckthemeverydayorso.Afteralittlewhile,you’llgetafeelforhowoftentowater.Youmayneedtostepupyourwateringinperiodsofdroughtorhightemperatures.Hydrangeasdon’tneedalotoffertilizer,butyoucanfeedyourplantsonceortwiceayearwithanorganicbalancedfertilizer,orcompost.Don’tfertilizeafterJulyorAugust;feedinglaterencouragestender,newgrowth,justwhenhydrangeasneedtostartgoingdormantforthewinter.

HYDRANGEAS

With immense flower heads, hydrangeas have an old-

fashioned charm that is hard to resist. Colors are beautiful, with clear blues, vibrant pinks, frosty whites, lavender,

and rose. Easy to grow, these are a summer staple in our area, a must in

any partly shaded area.

InlandBaysGardenCenterGardeningtomakeadifference

38320MuddyNeckRoadFrankford,DE19945

302-539-1839

Page 2: How to Prune and Care for a Hydrangea Hydrangeas in Containers · Hydrangeas don’t need a lot of fertilizer, but you can feed your plants once or twice a year with an organic balanced

MOPHEADHYDRANGEAS(prunerightafterblooming)• CityLineMars–1–3’tall.Asmallplantwithshowymagentaandwhitesummerflowers.Longlastingflowers.Mildewresistant.SoilpHaffectsbloomcolor.Salt

Tolerant.• MariesiiVariegata-'Mariesii'ispartofthelacecapgroup(flattenedflowerclustersconsistingprimarilyofsmallfertileflorets,withafewscattered,showy,sterile

onesoftenformingamarginalring).Itisadeciduousshrubwitharoundedhabit,whichtypicallygrows3-4'tall.• NikkoBlue-'NikkoBlue'haslargeflowersarrangedinglobularor"mophead"-likegroups.Itisadeciduousshrubwitharoundedhabit,whichtypicallygrows4-6'

tall.Featuresclustersofpinkorbluefloretsinbig,rounded,4-5"mops,whichbloominJune(oftenearlierthanothervarieties)foruptotwomonths.Large,lustrous,mediumgreenfoliage.

PEEGEEGROUP(prunelatewinter)• Limelight-Excellent,compactcultivarthattypicallygrowsto6-8’tallandaswide.Itproduceslarge,dense,upright,cone-shaped(to8”across)flowersthat

changecolorontheshrubastheymature.Flowersemergecreamywhite,maturetochartreuse-limeandeventuallyacquirepink-darkening-to-rosetonesbeforefinallyfadingtobeige.Astheflowershowfadesinfall,darkgreenleaves(to4”long)turnattractiveshadesofred.Flowersmaybecutforfresharrangementsorfordrying,ormaybeleftontheplantwheretheywilllastwellintowinter.Canbeprunedintoasmalltree.

• LittleLime-Compactcultivarthattypicallygrowsinanuprightroundedmoundto3-5'tallandaswide.It’sparticularlynotedforitslargemopheadtypeflowersto5"tallby4"wide,emergingsoftlightgreenbutmaturingtopinkandburgundyinfall.Compact,upright-moundedshape,freebranchinghabitandstrongstemsholdthepaniclesuprightwithnodrooping.FlowerstypicallybloomfromJulythroughSeptember.Darkgreenleaves(to21/2”long)areattractiveduringthegrowingseason,butproducegenerallyundistinguishedfallcolor.Flowersmaybecutforfresharrangementsorfordrying,ormaybeleftontheplantwheretheyoftenpersistintowinter.

• PinkyWinky-Adaptable,butprefersmoist,rich,loamysoil.SoilpHdoesnotaffectbloomcolor.Prunebacklatewinter/earlyspring.Applyfertilizerinspring.Two-tonedpinkandwhiteflowers.5’–6’talleventually.

• FireLight-Bloomsemergecreamy-whiteandagetoavividredforlotsofsummercolor.Itmakesagreatcutflower,freshordried.5’–6’tall.OAKLEAFGROUP(NATIVE,prunelatewinter)

• Munchkin-adwarf,compactshrubwithdarkgreenfoliagethatturnsmahoganyredinfall.Itswhite,6.5in.inflorescencesarehelduprightabovethefoliageandgraduallyturnpinkastheyage.‘Munchkin’grows3to4.5ft.tallandwide.

• RubySlippers-compactform3-4'tallandto3-5'wide,andknownforitscompactsize,largeuprightflowerpanicles,rubyredmatureflowers,mahoganyredfallfoliagecolorandexfoliatingbark.Upright,elongated,conicalflowerpanicles(to9"long)ofshowy,flowersbeginbloominlatespring.Flowersemergewhite,butquicklyturnpinkbeforefinallymaturingtorubyred.Distinctive,deeplylobed,somewhatcoarse,deepgreen,oak-likeleaves(to5”long)turnattractiveshadesofmahogany-redinautumn.Maturestemsexfoliatetorevealarichbrowninnerbark,whichisattractiveinwinter.

SMOOTHHYDRANGEAS(NATIVE,prunelatewinter,canbecuttothegroundtocontrolsize)• Annabelle-Deciduousshrubwitharoundedhabit,whichtypicallygrows3-5'tall.Clustersofwhiteflowersappearinhuge,symmetrical,roundedheads,which

typicallygrow8-12"across.BloomsinJuneforuptotwomonths,sometimeswithasmallrepeatbloominthefall(cuttingoffdeadflowerswillencouragethis).Darkgreenleaves(3-8"long).

REBLOOMINGGROUP(canbeprunedanytime)• EndlessSummer-Hydrangeamacrophyllaperennialshrubsthathavetheuniqueabilitytore-bloomthroughoutthespringandsummermonths,givingmorecolor

andvisualappealtoyourgardenforalongerperiodoftime.Bloomsonbotholdandnewgrowth.Knowntobloom10to12weekslongerthanaverageHydrangeamacrophyllaplants.

DRYINGHYDRANGEAFLOWERSHarvesttheheadswhentheflowershavematuredanddevelopedapaperyconsistency.Removeleavesfromstems,andhangupsidedowninawarm,dry,dark,airyroom.Whencompletelydry(usuallyacoupleofweeks),storeinadrylocationoutofdirectsunlight.Toenhanceflowercolor,spritzdryflowerswithdilutedRitdye.


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