Arborvitae Winter Burn
Brown arborvitae foliage after winter can reflect drying wind, sun, salt, or other damage.
Plant Diagnosis
Plant Problems
Start with the symptom you can see. Compare likely causes before changing water, fertilizer, light, or treatment.
Triage First
Observe before you treat
A useful diagnosis starts with location, timing, and the pattern of damage.
1
Locate the damage
Check whether symptoms begin on old leaves, new growth, roots, or one side of the plant.
2
Check recent changes
Note weather, watering, repotting, feeding, pruning, and any new treatment.
3
Compare evidence
Look for insects, residue, soft tissue, dry edges, odor, and soil moisture.
Problem Library
Search by visible symptom
85 matching guides
Search and filter problems
Search checks problem names, descriptions, and summaries. Plant group uses the category saved on each problem; sorting uses the update date or problem name.
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Blossom End Rot on Zucchini
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A flat or sunken leathery patch centered opposite the stem on a green tomato fits blossom-end rot.
After Diagnosis
Help the plant recover
Water
Correct moisture without swinging too far
Use the plant and soil condition to set the next watering.
PestsChoose the least disruptive control
Match treatment to a confirmed pest and its life stage.
NutritionFeed only when growth can use it
Rule out root and moisture problems before adding fertilizer.