We adopted a very large plant from the previous homeowners and have no idea what it is or how to take care of it. We did trim it back some and re-potted to make it more manageable. She had it for 30 years, I’d hate to inadvertently kill it now. Thanks for your help!
Your plant looks like a Ficus Alii tree, or Amstel King tree as it is sometimes called. A Ficus Alii tree is closely related to the Ficus Benjamina Tree, the Alii variety is much more tolerant and forgiving. A Ficus Alii tree rarely sheds leaves, tolerates lower light, and allows you to move it around without going into shock. A Ficus Alii does grows about 25% slower than a Ficus Benjamina. Here’s a picture of a healthy Ficus Alii
These plants are considered poisonous and should be kept away from pets and children. Read more about common houseplants that are poisonous in Don’t Feed Me To Your Cat! A Guide to Poisonous Houseplants
You can read all of my tips on how to grow a ficus Alii in the Popular Houseplant section of the website.
Your ficus looks like it could benefit from a product called superthriveSuperthrive combines vitamins and hormones to encourage plant growth both above and below the soil line. It's not a plant food so it needs to be used in addition to your regular plant food; the two can be used at the same time. Just put a few drops into your watering can & that's all that's needed to improve the health & appearance of your plants. If your plants are in real trouble, add about 10 drops per 2 gallons of water. SuperThrive works best when the soil is dry.
that you can read about in the Glossary of the website. It does wonders for plants under stress.