What the tag colors mean
Every disease page tags the conditions that favour the problem and the plants it affects. Each tag is colored by its group, and a group keeps its color on every page, so you can scan for the kind of thing you care about at a glance.
Conditions that favour it
The weather, soil, care and pests that let a problem take hold.
- Heat
Warm temperatures, Hot, dry weather, High temperatures
- Moisture
High humidity, Frequent rain, Overwatering, Poor drainage
- Cold
Cool temperatures, Late spring frosts, Cold snaps
- Drought
Drought stress, Dry weather, Infrequent watering
- Air and crowding
Poor air circulation, Overcrowded planting, Dense foliage
- Light
Deep shade, Low light, Intense sunlight
- Soil and nutrients
Compacted soil, High soil pH, Excess nitrogen, Sandy soils
- Pests and spread
Infected plant debris, Aphids or thrips, Wounds on plants, Susceptible host plants
- Wind and weather
Strong winds, Hailstorms, Exposed locations
- Care practices
Contaminated tools, Poor sanitation, Transplanting, Pot size
- Other
Anything that fits no group above
Plants most affected
On a disease page the plants are sorted under these groups.
- Fruit
Apples, Pears, Plums, Grapes, Citrus, Strawberries
- Vegetables
Tomatoes, Potatoes, Beans, Peppers, Cucumbers
- Grains and grasses
Wheat, Corn, Lawn grasses, Cotton
- Flowers
Roses, Snapdragons, Hollyhocks, Geraniums, Daylilies
- Trees and shrubs
Oak, Maple, Ash, Pine, Azalea, Lilac
- Houseplants
Pothos, Ficus, Peace lily, Ferns, Succulents
- Herbs
Basil, Mint, Rosemary
- Other plants
Anything that fits no group above