To help you get the most out of your Globe Maple, I’ve rounded up all the essential tips you need to keep it thriving. Here’s a quick look at what we’ll cover:
- Planting tips
- Best companion plants
- Essential care and maintenance
- Common diseases to watch for
How to Plant Your Globe Maple
The Globe Maple (also known as a “Ball Tree”) is pretty flexible—you can plant it almost any time of year as long as the ground isn’t frozen. It’s not a picky tree, but it does have a few deal-breakers: it hates deep shade and acidic or boggy soil. For the best growth, try to find a spot in your yard that offers:
- Full sun to partial shade
- Sandy-loam or clay-loam soil
- Well-draining soil with a bit of lime (alkaline)
A Quick Note on the Roots
Globe Maples have what we call a “heart” root system. This means the roots mostly spread out shallowly near the surface, with only a few reaching down about 3 feet. Because they stay relatively shallow, they usually aren’t a threat to underground utility lines. However, you should still give them plenty of space away from walls or foundations. Also, keep in mind that young roots are a bit sensitive to the cold, so they’ll need some extra protection during their first winter.
The Best Companion Plants for Underneath
Since the roots spread out right under the surface, there isn’t a ton of room for deep-rooted perennials. If you want to plant something underneath your tree, stick with these hardy options:
- Barrenwort (Epimedium)
- Periwinkle (Vinca)
- Barren Strawberry (Waldsteinia)
- Foamflower (Tiarella)
- English Ivy
How to Properly Care for Your Globe Maple
When the tree is young, it naturally grows in that perfect ball shape. But as it gets older, it tends to widen at the bottom and can even develop a bit of a point at the top. To keep that signature round look, you’ll want to give it a shaping trim once a year. Even if you don’t mind a more natural shape, you should still prune it every 2 to 3 years to clear out any deadwood.
When it comes to watering, this tree prefers a good, deep soak every now and then rather than a light sprinkle every day. To boost its immune system and help it survive the winter, use a nitrogen-free, potassium-rich fertilizer once a year.
Common Diseases to Watch Out For
Most issues you’ll run into with a Globe Maple are fungal. Keep an eye out for these common culprits:
- Powdery Mildew
- Tar Spot
- Coral Spot
- Verticillium Wilt
