Mayten Tree Root Concerns Near Swimming Pool

A homeowner plans to plant a Mayten tree (Maytenus boaria) 4–5 feet from a gunite swimming pool and asks about root destructiveness to concrete and pool structure.

Research Findings

The expert had no prior experience with Mayten trees and consulted available sources:

• One source warns that without deep watering, Mayten roots spread "voraciously" near the surface—problematic near structures.
• A street tree guide lists Mayten as a possible urban tree but with reservations about root behavior.
• Reference: Friends of the Urban Forest – Gallery of Urban Trees

Critical Considerations

Planting any tree 4–5 feet from a pool is generally inadvisable. Most trees' structural root zones extend well beyond this distance. Surface roots can:

• Lift and crack concrete decking
• Penetrate pool plumbing
• Exert pressure on gunite shells
• Create maintenance hazards with leaf/litter drop

Better Alternatives

For poolside planting, consider:

• Large containers with dwarf citrus, olive trees, or Japanese maples
• Non-woody perennials and ornamental grasses in raised planters
• Trees planted at least 15–20 feet from pool structures

If a Mayten is already planted, deep, infrequent watering may encourage deeper rooting, but monitoring and root barriers are essential.