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LUPIN QUESTION AND ANSWER


Our main Lupin article can be found here. But sometimes our readers ask specific questions which are not covered in the main article. This page lists their comments, questions and answers. At the end of this page there is also a form for you to submit any new question or comment you have.

COMMENTS / QUESTIONS LEFT BY OUR READERS

Date: 7 june 2018 From: Sue W
QUESTION: There are House Sparrows getting on my large purple Lupins, what are they pecking them for?

ANSWER: I believe they are after the nectar. Unfortunately, to get to the nectar they destroy the flowers.


Date: 01 June 2018 From: Jimmy
QUESTION: When I cut back dyeing flower heads, how much stem do I leave?

ANSWER: I just cut away the flower head and leave the lower stem. I've not tried it but I am sure at least half of the stem could also be removed.


Date: 31 May 2018 From: Tracey
QUESTION: There are woodlice all over the roots of my lupins, how can I get rid of them?

ANSWER: Woodlice rarely do any damage to plants and I certainly would not try and do anything about them. They are beneficial in almost all cases, breaking up fallen debris and making it quickly available as a fertiliser.


Date: 16 June 2016 From: Eileen B
QUESTION: I planted lupines last year and they grew and were beautiful, however, they did not come back this year. Any thoughts? We live in Pennsylvania, United States - cold winters and hot summers.

ANSWER: The cold won't be a problem for lupins in Pennsylvania but the hot summers will be a problem. Left in open ground the sun will bake the roots over the summer. You have two options, the first being to grow them from seed each year and treat them as annuals.

The second option is to protect the roots somehow from the heat in summer. Mulching the plants in mid June might work and / or planting them next year in a shadier position. I suspect though that you will be fighting a loosing battle and the first option is the only realistic one.


Date: 17 May 2016 From: Tom
QUESTION: Hi, thank you for your detailed information. A couple of my newly planted lupins are struggling in a raised bed. The bed received a fair amount of ash (from wood burner) over the winter. Some are doing fine but others are going yellow and have stopped growing. Some leaves are brown. What can I do?

ANSWER: I wouldn't add ash to the ground in which lupins are growing. Ash turns the soil lime whereas lupins prefer a slightly acidic soil. This could well be the reason for the leaf problems.


Date: 24 April 2016 From: Vivienne C
QUESTION: Thank you for your very easy to understand information, After many failures with lupins have moved to Essex and told the soil no good for lupins. All lupins planted last year l am delighted to say have all come up very healthy. Good luck to everyone growing them they are a beautiful plant

ANSWER: Well done!


Date: 1 November 2015 From: Alan B
QUESTION: I would like to re-site my lupins, the existing bed is to small. Planted earlier this year. Any problems doing this?

ANSWER: In theory they are not well suited to being transplanted because they develop long tap roots and these inevitably get broken on transplant. However, in practice they seem to survive well. Yours are less than a year old so your chances of success are high. I would move them in spring time rather than now, just make sure you keep the soil moist but never water-logged.


Date: 3 October 2015 From: Geoff R.
QUESTION: Can you tell me if I need to cut back container planted Lupins? If so when should this be done?

ANSWER: I have added a new paragraph in the main article above to answer this question. It says "When the foliage dies down in late winter there is no need to remove it unless you really want to for the sake of appearances. It is best removed in spring when new shoots appear."

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