Why Deep Root Injections Are the Secret to Healthier Trees in Tulsa

​When fall arrives in Tulsa, most homeowners focus on raking leaves, pruning shrubs, and storing lawn tools. But one of the most valuable things you can do for your landscape before winter is something most people never think about: Deep root injections.

For trees and ornamentals in Tulsa, South Tulsa, Broken Arrow, Bixby, Owasso, Jenks, and across Eastern Oklahoma, this treatment can be the difference between a vibrant spring canopy and a tree that struggles year after year. And the ideal timing? Late fall, after the leaves have dropped but before the ground freezes.

​What This Blog Covers

• What deep root injections are and how they work
• Why late fall is the best time for treatment in Tulsa
• Key benefits for trees and ornamentals in Oklahoma’s climate
• Signs your trees may need this service
• Why Nutri-Green is the trusted local company for deep root care

What Are Deep Root Injections?

Deep root injections (also called deep root fertilization) deliver a nutrient-rich solution directly into the root zone using specialized high-pressure equipment. Instead of spreading fertilizer on top of the soil and hoping it reaches the roots, this method pushes nutrients deep into Oklahoma’s tough, compacted clay.

The treatment ensures your trees get the exact nutrients they need, right where they can use them.

Why Late Fall Is the Perfect Time in Tulsa

After leaves drop, your trees aren’t “asleep”—they’re shifting their energy underground. During this post-leaf, pre-freeze window:

• Roots are still actively growing
• Trees are storing nutrients for winter survival
• Nutrients applied now support stronger spring growth
• The soil is easier to penetrate before hard freezes

Deep root injections during this time take advantage of one of the most critical periods of root development each year.

Benefits of Deep Root Injections for Tulsa & Eastern Oklahoma Trees

Stronger Root Systems

• Helps roots push through compacted clay
• Encourages deeper, more stable root growth
• Improves soil structure around the root zone

Better Drought & Heat Tolerance

• Strengthened roots help trees hold moisture
• Critical for Oklahoma’s dry, hot summers
• Reduces stress during extreme weather

Improved Disease & Pest Resistance

• Healthier trees are naturally more resilient
• Nutrients support the immune response to pests and fungal issues
• Helps protect against stress-related decline

More Vibrant Spring Growth

• Fuller canopies
• Richer leaf color
• Stronger new growth
• A noticeable improvement compared to untreated trees

Ideal for Both Young & Mature Trees

• Newly planted trees need help establishing themselves
• Older trees struggle in urban soil conditions
• Both benefit from targeted nutrient delivery

Signs Your Trees May Need Deep Root Injections

Homeowners often see these signs and don’t connect them to nutrient deficiency:

• Yellowing or thinning leaves
• Stunted or uneven growth
• Sparse canopies or bare branches
• Trees that decline after summer heat
• Trees are slow to recover after drought
• Soil that feels compacted or hard around the trunk

If your trees show any of these symptoms, deep root treatments may be overdue.

Why Nutri-Green Is Tulsa’s Trusted Tree & Shrub Care Expert

Nutri-Green has an established reputation for improving tree health across Tulsa and Eastern Oklahoma. Homeowners choose our local lawn care company because:

• Our technicians understand local soils and regional tree stressors
• We use premium nutrient blends tailored to Oklahoma landscapes
• The injections are precisely placed, no guesswork, no wasted material
• We offer ongoing tree and shrub health programs for year-round care
• Our team focuses on long-term tree health, not quick fixes

If you want healthier, more resilient trees this spring, there’s no better time to schedule a deep root injection with Nutri-Green.

Schedule Your Fall Deep Root Injection Now

Give your trees the nutrients they need to survive winter and flourish next spring.

Contact Nutri-Green today to schedule service. Your trees will be stronger, healthier, and better equipped to withstand Oklahoma’s unpredictable weather.