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Q.What To Do With Under-developed Delphinium Plants

Zone Hereford, Herefordshire, England, UK | Angela Maxwell added on August 4, 2020 | Answered

I bought some (plug) pacific hybrid delphiniums which did not arrive on time due to Covid – 19 delays. Consequently, they were late started in pots and were not very strong specimens on arrival. Fast forward to August, and the plantlets are looking strong, but very immature, only 5 inches or so tall, so look unlikely to flower this season in the Midlands of the UK. Is there a way to overwinter them to plant them out next Spring? Thank you.

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Certified GKH Gardening Expert
Answered on August 5, 2020

Your zone is equivalent to our USDA zone 8. This is just a little cold for this type of Larkspur to be a Biennial in your area. This situation might warrant a container grown plant, this time around.

Fortunately, these plants are not difficult to grow in container, which will allow you to bring it inside as the weather cools.

This article will help:


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