Plant Selection Pest & Disease Biology Arboriculture Site Assessment Cultural Practices All Guides

Plants Diseases Pests Beneficials Weeds Soils

Weather Observations Gardens Field Brief

About HortGuide Data & Methodology

⌘K to open · ↑↓ to navigate · Esc to close

Guides Plant Selection Pest & Disease Biology Arboriculture Site Assessment Cultural Practices All Guides Library Plants Diseases Pests Beneficials Weeds Soils Weather Observations Gardens Field Brief About About HortGuide Data & Methodology Subscribe to Field Brief

Library / Disorders / Yellow Shoulder (Yellow Top, Persistent Green Shoulders)

Yellow Shoulder (Yellow Top, Persistent Green Shoulders)

Abiotic Abiotic disorder

Last updated March 7, 2026

Quick Reference

Category

Abiotic

Data Maturity

Baseline Structured Expert-reviewed Field-verified

Baseline Extension data. Expert review underway.

Get the Field Brief

Seasonal scouting notes, timing updates, and the regional detail that national guides leave out. Delivered when it matters.

HORTGUIDE

Regional plant knowledge for Western Washington. Written by Chris Welch.

Guides

All Guides
Plant Profiles
Disease Guides
Pest Guides

Library

Plants
Diseases
Pests
Soils

More

Field Brief Newsletter
Field Observations
About

Pesticide recommendations are for reference only. Always read and follow the label.

© 2026 HortGuide · Chris Welch · All rights reserved.