Penstemon cut­tings for win­ter prop­a­ga­tion

Amateur Gardening - - Gardening Week -

1

Se­lect healthy, non-flow­er­ing lengths of this year’s growth, around 4in (10cm) long. 3

Dip the cut ends in hor­mone root­ing pow­der or gel to help stim­u­late healthy root de­vel­op­ment. 2

Strip away the low­est leaves, leav­ing a two or three to­wards the top. Pinch out the fleshy shoot tips. 4

Insert into a clay pot of damp cut­tings com­post and per­lite. Clay is por­ous and lets roots breathe. 5

Seal the cut­tings in a plas­tic bag that is held away from the grow­ing fo­liage by sticks. Set them some­where light and frost-free un­til they start to grow.

In­su­late your cut­tings with fleece on very frosty nights

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