Bougainvillea. There are still no shoots; do you believe these plants are dead?

Question

I have cut it back to remove dead wood.

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Answer 1

It's hard to tell from the photo, but you can lightly scratch a bit of the bark. If it's green underneath the outer layer, it is probably fine and waiting for the right time to spring to life. If it's dry and breaks easily, you may have lost your plant. Here's an article about pruning bougainvillea: https://www.gardeningknowhow.com/ornamental/vines/bougainvillea/pruning-bougainvilleas.htm