Black Locust tree. I have had in pots for 10 years. It hasn’t bloomed for 8 years. What happened?

It’s in a 4 foot urn. Drip system. Water occasionally with hose. Hasn’t bloomed. What do I do? I love the intricate woody branches.

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1 Comment To "Black Locust tree. I have had in pots for 10 years. It hasn’t bloomed for 8 years. What happened?"

#1 Comment By GKH_Susan On 05/21/2020 @ 2:30 pm

It would help to refresh the soil if you haven't done that in a while. Also check the roots; if they are rootbound, may need to root prune or move up a size in container. Our experts suggest using a nitrogen fertilizer. Here's a helpful article:

https://www.gardeningknowhow.com/ornamental/trees/locust/growing-black-locust-trees.htm ^[1]

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