11 MAY 2019AMATEUR GARDENING 41
Althoughhardy,hydrangeas
arewoodlandplantsandenjoy
shelterfromwindandlatefrosts.
Mostprefertogrowin partial
shadeanddislikestrongsun.
Springorfromearlytomid-
autumnarethebestplanting
times,thoughpottedplantscould
goin anytimewithadequatewat
andbyavoidingsaturatedsoilsin winter.
Youngplantsthatarefailingtothrive are best moved
toa betterpositionwhiledormant.
Prunewithcaution:thinover-largeH.macrophyllaby
removinga fewolderstemstothebaseorgoodsideshoots
in spring.Neverprunealltheshootstothebaseat once,
unlessyouwanttolosea wholeyear’sworthof flower.
Bycontrast,a healthyplantofH.paniculatapruned
hardin earlyspringwillrespondbymakinglargerflower
headsin autumn.Over-enthusiasticclimbinghydrangeas
should be pruned immediately after flowering.
Hydrangea car
Hydrangeaquercifolia
‘SnowQueen’
Reaching6ft(1.8m),with
a longseasonof interest.
Largeleavesshapedlike
oakarelushfromspring,
joinedbywhitefloralcones
in latesummer,withbrilliant
autumn colours before falling.
Four showstopping shrubs
H.paniculata‘Limelight’
Adistinctiveshrub:its
generouspaniclesbegin
green,withfloretsageing
topalelimeandwhitewith
pinkflush.Reaches6ft(1.8m)
andrespondstothinningof
oldstemsorstoolingalmost
to ground level in spring.
Burncoose.co.uk
Top inset: John Swithinbank / TI Media
H.anomalasubsp.
petiolaris
Thislargeclimberclingsto
bark,fencesorwalls,much
in thesamewayasanivy,
byusingaerialroots.Heads
to6in(15cm)acrossof white
flowersopenin summer.
Can reach 40ft (12m).
H.arborescens
‘InvincibelleSpirit’
Pinkflowersonlargedomed
headsbloomfromJulyto
Septemberonshrubswith
a heightandspreadof
4ft(1.2m).Prunelightlyby
thinningouta fewolder
stems in early spring.
Thinouta fewolderstems
of matureH. macrophylla