Root Rot across the plant library
73 of the 505 plant guides in this library name root rot among their diseases. Every one is listed below, linked to its guide and grouped by the kind of plant it is, so you can see at a glance which corners of a garden it turns up in.
This is the library read down a column instead of across a row. Each plant guide names its own diseases; nobody publishes the other view — which of the plants you actually grow share one, and whether the timing they record agrees.
The 73 plants that list root rot
Grouped by plant type. Where the library attached a note to the entry — “rare”, “on seedlings”, “in wet clay” — that note is printed next to the plant, verbatim, because two plants can name the same disease and mean opposite things by it.
trees11
ArborvitaeThuja occidentalis / 'Green Giant'in swamps
AvocadoPersea americanaPhytophthora — the #1 avocado death
Calamondin OrangeCitrus × microcarpa
ChestnutCastanea mollissima & hybridson wet sites
Fraser FirAbies fraseriPhytophthora — fatal in warm wet clay
GrapefruitCitrus × paradisi
KumquatCitrus japonica
LimeCitrus × aurantiifolia / latifolia
Mandarin / TangerineCitrus reticulata
OrangeCitrus × sinensis
YuzuCitrus junos
shrubs11
Adam's Needle (Hardy Yucca)Yucca filamentosain wet clay
Arabian JasmineJasminum sambac
AzaleaRhododendron spp. (deciduous & evergreen)in clay — raised beds fix
Butterfly BushBuddleja davidiiin wet winters
Camellia (Japonica)Camellia japonica
Mountain LaurelKalmia latifoliain clay
OsmanthusOsmanthus fragransin wet soil
Pieris (Andromeda)Pieris japonicain clay
RhododendronRhododendron catawbiense hybridsthe killer in clay
RosemarySalvia rosmarinus
Tea PlantCamellia sinensisin clay
perennials19
Autumn SedumHylotelephium 'Herbstfreude'in winter-wet clay
Creeping Phlox (Moss Phlox)Phlox subulatain wet clay
Creeping ThymeThymus serpyllumin irrigated clay — the usual death
Curry PlantHelichrysum italicumin wet soil
FennelFoeniculum vulgare
French TarragonArtemisia dracunculus 'Sativa'wet winters kill more tarragon than cold
HyssopHyssopus officinalisin wet clay
Lemon ThymeThymus × citriodorusin wet clay
OreganoOriganum vulgare subsp. hirtumin wet soil
Perennial SalviaSalvia nemorosain soggy winters
Persian ShieldStrobilanthes dyerianus
Red CloverTrifolium pratense
Roman ChamomileChamaemelum nobilein wet soil
Russian SageSalvia yangiiin irrigated clay — kindness kills it
SteviaStevia rebaudiana
Sweet MarjoramOriganum majorana
ThymeThymus vulgariswet feet
Winter SavorySatureja montanain wet clay
Wormwood (Artemisia)Artemisia absinthiumin wet soil
annuals3
succulents5
houseplants22
Alocasia (Elephant Ear)Alocasia × amazonica
Anthurium (Flamingo Flower)Anthurium andraeanum
Arrowhead PlantSyngonium podophyllum
Bird of ParadiseStrelitzia reginae
Corn PlantDracaena fragrans
Dieffenbachia (Dumb Cane)Dieffenbachia seguine
Dragon TreeDracaena marginata
Fiddle-Leaf FigFicus lyrata
Golden PothosEpipremnum aureumoverwatering
Heartleaf PhilodendronPhilodendron hederaceum
Hoya (Wax Plant)Hoya carnosa
Money TreePachira aquaticaoverwatering
MonsteraMonstera deliciosaoverwatering
Nerve Plant (Fittonia)Fittonia albivenis
Parlor PalmChamaedorea elegans
Peace LilySpathiphyllum wallisii
PeperomiaPeperomia spp.overwatering — the main killer
Pilea (Chinese Money Plant)Pilea peperomioides
Rubber PlantFicus elastica
Schefflera (Umbrella Plant)Schefflera arboricola
Snake PlantDracaena trifasciataoverwatering
Wandering DudeTradescantia zebrina
Where it concentrates
Botanical families with more than one affected plant in the library, counted from the same 73 guides above. 10 of 73 are Lamiaceae.
- Lamiaceae10 plants
- Araceae8 plants
- Rutaceae7 plants
- Asteraceae5 plants
- Asparagaceae4 plants
- Ericaceae4 plants
- Crassulaceae3 plants
- Acanthaceae2 plants
How the library qualifies it
Every distinct note the guides attach to an entry for root rot, verbatim, with how many plants carry it. The other 37 guides list it bare, with no qualifier at all.
- in wet soil×6
- in wet clay×5
- overwatering×5
- in clay×3
- if watered kindly
- in clay — raised beds fix
- in cold wet soil
- in irrigated clay — kindness kills it
- in irrigated clay — the usual death
- in soggy winters
- in swamp soil
- in swamps
- in wet winters
- in winter-wet clay
- on wet sites
- overwatering — the main killer
- Phytophthora — fatal in warm wet clay
- Phytophthora — the #1 avocado death
- the killer in clay
- wet feet
- wet winters kill more tarragon than cold
Shared timing — and where it doesn’t agree
The library records no treatment window for root rot. 37 of these 73 guides do record a spray or management program, but every one of them is about something else — a blight schedule, a curculio spray, a mildew note. None names root rot. Rather than manufacture a consensus out of unrelated entries, this page reports the absence. The individual guides carry whatever timing the library does hold.
Timing only — the label is the law
This page reports when the guides in this library say to watch for root rot and when a treatment is worth considering. It is not a recommendation to apply any product. Read and follow the product label before you spray — under federal law the label is the legal instruction, and using a pesticide against it is illegal.
- Check the pre-harvest interval. Every product that’s cleared for an edible crop sets a minimum number of days between spraying and picking. Find it on the label before you spray anything you intend to eat.
- Check the re-entry interval before you or anyone else works in the treated area again, and use the protective equipment the label names.
- Confirm the product is registered for your crop in your state. This page groups many different crops together, and a product legal on one of them is not legal on all of them — state registrations differ too. Your state pesticide agency or local extension office can confirm both.
- Rates and mixing instructions come from the label, never from us. We don’t publish them because they differ by product and formulation.
What else these plants get
Counted over the same 73 guides: the other problems most often listed on a plant that lists root rot. These are co-occurrences in the library’s own records, not a claim that one causes another.









