my lupines have produced one flower only, and stalks and leaves. What is the problem?

Zone FY7 8DN | Anonymous added on August 11, 2019 | Answered

The lupines are grown from seed in sunlight and shade.

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Certified GKH Gardening Expert
Answered on August 12, 2019

This is common when there is too much nitrogen in the soil. These are nitrogen fixing plants already. Too much nitrogen will cause leaf growth, but it will have a lack of flowering growth. You can offset this by adding potassium and phosphorus. This will help them to make more flowers, and not take up so much nitrogen. This article will help:

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