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Cottonless Cottonwood Sparse Foliage: First-Year Root Establishment

Why New Cottonless Cottonwoods Have Small, Sparse Leaves

Planted this year on drip irrigation, growing tall but not leafing out well – normal first-year behavior.

What's Happening Underground

Hardwoods prioritize root system development over canopy expansion in year one. The drip system (2 hrs/week) may not wet the entire root zone deeply enough.

Action Plan

  1. Fertilize now and next spring: 10-10-10 at 1 lb per inch trunk diameter, scattered, watered in.
  2. Check water penetration: Dig 6–8 inches down after irrigation. Soil should be moist to that depth.
  3. Expand watering zone: Move emitters outward as roots grow.
  4. Mulch 3 inches: Conserves moisture, moderates temperature.

Expect a fuller canopy next year as the root system matures. No cause for alarm.

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