Delphiniums
Q.

I have planted my Delphinium seeds (in pots) too late (June).

Zone DA14 4EQ United Kingdom | Anonymous added on August 25, 2019 | Answered

The plants are now about 4 inches high with plenty of leaf. What should I do to keep them for next year - greenhouse, plant outside but will they survive the Winter? Keep them in the greenhouse or keep them on a sheltered balcony after re-potting in larger pots, as they are in the very small ones at the moment. Katherine

A.
A.Answers to this queston: Add Answer
GKH_Susan
Certified GKH Gardening Expert
Answered on August 27, 2019

If you are located in England where winter temps hover between 30 and 40 degrees F ( -2 and 8 C) then you should be able to plant them in the ground and they will survive winter. I would mulch well, though. Choose a planting site that is moist and well drained and is protected from hot afternoon sun and winds.

https://www.gardeningknowhow.com/ornamental/flowers/delphinium/growing-delphinium-plants.htm

https://www.gardeningknowhow.com/ornamental/flowers/delphinium/delphinium-winter-care.htm

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