sea holly

Question

What did I do wrong? I planted sea holly for the first time this year. The flowers are silver and the stems greenish silver. I wanted them to be blue.

Answer 1

There are many different varieties of Sea Holly with colors that vary.
Check the tag that came with your plant.

Here is a link that lists some of the common cultivators.

https://www.gardeningknowhow.com/ornamental/flowers/sea-holly/sea-holly-flowers.htm