Others, such as ‘Garnet’, ‘Firebird’ and ‘Pensham Just Jayne’, are more robust and better equipped to make it through a British winter. This is easy because they develop roots very readily and are exceptionally fast-growing plants – a cutting taken in September or October will make a big healthy plant by the following July, when they can be reckoned to start flowering.Ĭertainly this is wise for some of the tenderer varieties like ‘Raven’, ‘Burgundy’ or ‘Penbow’. The key to keeping your penstemons going from year to year is to take lots of cuttings. They’ll never be the blazing stars of the show rather, essential secondary characters that make it all hang together. We regret Monty can’t reply to letters personally.
Penstemon twizzle full#
Write to Monty Don at Weekend, Daily Mail, 2 Derry Street, London W8 5TT or email Please include your full name and address. If it had been in a pot for a long time the roots may be restricted and when planted out will respond with a flush of growth at the expense of flowers. Lack of light is common, as is overfeeding or pruning at any time other than straight after flowering. Can you advise me?Ī There are a number of reasons why a lilac may not flower. Q I was given a potted lilac and it looks very healthy, but after being planted in my Gloucestershire garden, it hasn’t flowered. The bulbs will happily grow through this. Add a layer of compost, topped by grit (to keep the emerging flowers clean). The compost level has since dropped by 5-10cm. Q Last year I planted several pots with crocuses and snowdrops. The best time to make the cut is right now or after blossoming next spring. Do not paint or cover the wound as this will only increase the risk of infection but let it heal and callous over naturally.
How close to the main trunk should I cut the branch off, and how do I prevent infection?Ī Cut the branch as close to the damaged section as looks right. Q My Victoria plum tree has been so laden with fruit this year that one branch has split.
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