16 AMATEUR GARDENING11 MAY 2019
D
O notbeimpatienttomoveall
yourtendererplantsoutdoors,
orplantthemoutin theopen.
If thesehavebeengrownin a
nice,warm,shelteredplace,thinkhow
bleakthey’regoingtofeelouttherein
thewindy,coldairandchillysoil!This
willcomeasa realshockandcanset
backyourplantsbyweeks– thatis, if
it doesn’tkillthemoffentirely.
It’sfarkinderandmoreeffectiveto
hardenthemoffbeforeleavingthem
totheperilsof theBritishsummer.This
meanshelpingthembecomeslowly
adjusted,ratherthan having to survive
a suddenshock.
Thestandardmethodis tomoveyour
plantsoutdoorstoa sunnyspoteach
day and return them under cover each
Don’trushtenderplantsoutsidewithouthardeningoff,
warnsBob. Sensible transitionsleadtohappiertenders
“Bewaretheperilsof
the British summer!”
night,forat leastthreeorfourdays,
beforeleavingthemoutpermanently.
Analternativeis tostandthemall
togetherin a warmspotoutdoorsand
thentocoverthemoverwitha plastic
sheet(ora blanketonextracoldnights),
helduponstickseachnightforthose
threeorfourdays.Eitherway,you’llbe
helpingtheplantsacclimatisebefore
havingtofendforthemselves.
A thirdoptionis toplantoutthose
needingit, andtogiveeacha cloche,
mini-clocheorplastictentimmediately,
thenremovethisin a fortnightorso
whentheplantshavebecomewell
established.Evenbetteris toputthose
clochesin placea fortnight beforehand
topre-warmthesoil.
Indeed,thisis ideal,andyourplants
willsurelythankyouforit byestablishing
farmorequicklyanddoingbetterforit.
Andthereis evenmoreadvantagetobe
gainedbycoveringthoseclocheswitha
blanketonreallycoldnights.Keepthem
snugger,andyour plants really will be so
much happier.
1
WeedsgrowlikeTopsynow,
sohoe,hoe,hoe!Sharpen
theedgeofyourhoewitha
carborundum stone or file.
All photography Alamy, unless otherwise credited
Bob’s top tips
for the week
w, AG’s organic gardening expert
2
Movecitrusplantsandtough
houseplantsoutforsummer,
andkeepthemtogether– then
youcaneasilythrowcovers over
them on cold nights.
3
Checkwall-trainedfruitsfor
newshootsheadingtowards
thewall,andrubtheseoffbefore
they mature and waste resources.
4
Sowturnips,bettergrownfast,
keepwateringwelland,forbest
results, mix in a little bone meal.
Getplantsslowlyadjustedtotheoutdoorsby
hardeningofftenderssuchassquashand
bedding marigolds in the sun each day
Movingplantsoutfora fewhourseachdayandreturning
indoorsatnight,aswiththesebutternutsquash
plants, is the standard way to harden off
Youcanusea mini
clochetohardenoff
pelargoniums in May