TOMATOES
Note: never handle cigarettes or other tobacco products while planting or harvesting tomatoes. Tomato plants are susceptible to tobacco mosaic virus, harmless to humans but dangerous for related plants.
Blooms drop off before tomatoes are formed
Blotchy tomatoes * Grayish-yellow patches on fruit
Large holes eaten into tomatoes
Leaves roll up and feel thick and stiff
Fruit feels "puffy"
Tomatoes have rotten, light-colored patches
Bottom of tomato rots suddenly
Tomato shows thin lines from the stem to the blossom end
Light green color remains on top of tomato
Bumpy tomatoes with black scarring
Leaves mottled with tiny holes * Tiny, black bugs jumping everywhere
Small holes in fruit
Tunnels eaten in leaves
Young plants eaten off close to the soil
ROSES
Ants on your rose bushes * Sticky "honeydew" residue * Tiny black, white or green insects on stems or undersides of leaves
Normally colored leaves that begin to crinkle * Patches of fuzzy white mold
Reddish or orange growths on undersides of leaves
Webbing on undersides of leaves * Leaves falling after turning brown and dry
Yellowing leaves * Small black rings that turn yellow as they enlarge
Nearly opened blooms suddenly dotted brown (especially pale-colored blooms) * General collapse of bloom
HOUSEPLANTS
limp stems & leaves * dryness * browning or yellowing leaves
Limp stems & leaves * Overall plant collapse * Mushy stems * Yellowing leaves
Leaves dull & gray * Fine webbing between branches and on the undersides of leaves * Sticky "honeydew" residue
Distorted leaves * Sticky honeydew residue * Groups of tiny black, green or white insects under leaves & on stems
Cottony, white patches on stems & leaves * Grayish, distorted leaves
AFRICAN VIOLETS
Leaves growing well * No blooms appearing
Leaves & flowers mushy and limp * Leaves dropping off
Sudden yellowing of a healthy plant
Leaves curling * Limpness
Grayish powder on leaves & flowers
Leaves distorted, off-color * Cottony white clusters on stems & leaves
Brown spots on leaves
Clear spots on flowers
Center leaves of African violet growing very crowded and "tight" * Gray color on new leaves' bases * Leaves and new buds hard, brittle, twisted, stunted
Plant growing very slowly
Flower pollen spilled onto leaves * Tiny insect on flowers
Wilting and mushy plants * Center leaves die * Roots die