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Q.Lupins producing stunted spires or none at all

Zone Co Down n Ireland | Anonymous added on July 20, 2020 | Answered

Hi I have three sets of lupins…blue…in different parts of the garden and they are all healthy looking except the spires are only about three inches tall . .can you help with some advice please?
Thank you

A.Answers to this queston: Add Answer
Certified GKH Gardening Expert
Answered on July 21, 2020

Our experts say to encourage blooms with plant food that is high in phosphorus. Here's an article for you:

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