Q.Wilted, droopy Sea Buckthorn
So happy to be able to ask someone about my Sea Buckthorn plants because I have been trying so hard: Pics attached.
All my Leikora receive same amount of water, light, and potting soil. The one in center is the male. The females look droopy and awful, especially the one on left. What is happening? Greenhouse grown, shipped fall 2015, transplanted and grown in sunny window in house over winter. Zone 7b. Maybe didn’t water enough indoors but last few days keeping soil moist and full outdoor sunshine to help. I’m at a loss. I will plant outside this spring 2016 if they live.
Thank you for your help.

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I am assuming these plants were shipped as bare roots.
It would have been recommended to plant them outdoors in the garden when you received them.
Sea Buckthorn are quite hardy, growing in zones 2-8.
The indoor location is likely lacking in sunlight for the plants.
I would increase the light your plants are receiving.
As soon as danger of frost has passed, I would move these plants to the yard.
Here is a link to refresh you on the care requirements.
https://www.gardeningknowhow.com/ornamental/trees/sea-buckthorn/planting-sea-buckthorn-trees.htm