I've been growing a Schefflera arboricola for a few years now, and I absolutely love it! Here are some thoughts based on my experience:
Light Requirements: While it is true that Scheffleras are quite adaptable, I've found they do best in bright, indirect light. Mine is near a north-facing window, where it gets plenty of diffused light throughout the day. It can survive in lower light conditions, but the growth might become leggy, and the leaves won't be as vibrant. If you notice it reaching for the light, try gradually moving it to a brighter spot.
Watering: Over-watering can definitely be an issue, as I've learned the hard way! I typically wait until the top inch of soil feels dry before watering. During the warmer months, this often means watering about once a week, but less frequently in winter. Be sure the pot has good drainage, as Scheffleras don't like sitting in soggy soil.
Growth Habit: Indoors, Schefflera arboricola can reach up to 4-6 feet, depending on the conditions. It can be quite bushy, too. I've pruned mine a couple of times to maintain its shape and encourage fuller growth. Don't be afraid to trim it back if it starts getting too unwieldy.
Pest Issues: Spider mites and scale are the most common pests I've dealt with. They seem to like dry environments, so regular misting can help deter them. I've had success with using insecticidal soap for treatment. Always check the undersides of the leaves during your regular care routine.
Repotting Advice: I usually repot mine every two to three years, or whenever I notice it's become root-bound. You'll often see roots growing out of the drainage holes as a sign. Choose a pot that's just one size larger to avoid over-potting, which can lead to moisture retention issues.
The Schefflera is a fantastic houseplant that rewards attentive care with its lush foliage. If you haven't already, you might want to look into using a well-draining soil mix, like one recommended for tropical plants, to support its health.
Do you have any other houseplants you're thinking of pairing it with? I'd love to chat more about creating a harmonious indoor plant collection!