Q Can I grow tril­li­ums in Glouces­ter­shire?

Garden News (UK) - - The Problem Solver -

Sue Tovey, Chel­tenham

A

Tril­li­ums are re­ally the North Amer­i­can equiv­a­lent of our blue­bells and most grow in sim­i­lar con­di­tions. So, ide­ally, you want a de­cid­u­ous wood­land with plenty of won­der­ful leaf mould. For­tu­nately, a num­ber of species will do well in gar­den con­di­tions. A spot be­tween shrubs with good, in­di­rect light is suit­able, but they don’t want to be com­pet­ing with too many roots. They won’t tol­er­ate wa­ter­log­ging, but mustn’t dry out when in growth.

Im­prove the soil with plenty of well-rot­ted ma­nure, gar­den com­post or old pot­ting com­post bulked out with sharp sand. Plant with the rhi­zome about 7.5cm (3in) deep. Top dress each spring with or­ganic mat­ter and some Vi­tax Q4 fer­tiliser.

Some species are very de­mand­ing, so start off with the white-flow­ered T. gran­di­flo­rum, the yel­low-flow­ered T. lu­teum or the bur­gundy-flow­ered T. erec­tum, T. sul­ca­tum and T. kurabayashii. Lifted tu­bers are widely avail­able from bulb spe­cial­ists but they’re of­ten too dry and many fail to grow away so it pays to in­vest in pot-grown plants. Try Beeches Nurs­ery, www.beech­es­nurs­ery.co.uk; tel: 01799 584362.

Tril­li­ums are a wood­land plant, but given the right con­di­tions will thrive in the gar­den

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