ASK JOHN NEGUS

Doomed del­phini­ums, wilt wor­ries, mul­ti­ple vi­ola de­sire

Amateur Gardening - - Contents -

I want to prop­a­gate my ‘Han­nah May’ vi­o­las be­cause that was my mother’s name. How should I do it? Mary May, New­cas­tle upon Tyne.

The best way to prop­a­gate Vi­ola ‘Han­nah May’ is to take 2-3in (57cm) shoot-tip cut­tings in early Au­gust.

Re­move any leaves that might be buried and in­sert cut­tings to half their depth, 2-3in (5-7cm) apart, around the edge of a 4in (10cm) pot filled with pro­pri­etary root­ing com­post. Wa­ter in the cut­tings and cover the pot with an in­flated plas­tic bag to keep them perky. Po­si­tion them on a sunny win­dowsill.

When new shoots in­di­cate that roots have formed, set them singly into 3in pots of John Innes No 2, adding a quarter part grit, by vol­ume, to en­sure ‘sharp’ drainage.

Harden-off plants. Then, when they are a few inches high, set them where you wish them to flower.

Shoot-tip cut­tings are the best way to prop­a­gate vi­o­las such as ‘Han­nah May’

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