Arborvitae Winter Burn
Winter burn browns arborvitae from the tip down on whichever face meets the wind and sun, and the honest answer to the question…
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.
Azalea No Blooms
An azalea decides this spring's flowers during last summer, so a bare shrub is almost always reporting something that happened months…
Azalea Yellow Leaves
Yellow leaves on an azalea are a symptom shared by causes that need opposite treatments, and the pattern tells them apart. This page…
Bahia Grass Thin Lawn
A thin bahiagrass lawn is sometimes a failing lawn and sometimes just bahiagrass, which grows in a coarse open habit by design. This…
Blossom End Rot on Zucchini
Most zucchini that rot at the tip do not have blossom end rot, and one question sorts it out, which is whether the fruit is still…
Blossom-End Rot on Tomato
A flat or sunken leathery patch centered opposite the stem on a green tomato fits blossom-end rot. The fruit ran short of calcium…
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.