Gronovius Dodder
Cuscuta gronovii
Last reviewed: September 2026

Toxicity unknown
Gronovius Dodder (Cuscuta gronovii) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
medium
Size
24"–120" H × 12"–48" W
Bloom
Jun, Jul, Aug, Sep
Native to
AL, AR, AZ, CO and 41 more states
Pollinators
bees, beetles
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaBrowse plants for this ecoregion
Dodder is a parasitic vine that lacks chlorophyll and appears as orange or yellow stringy stems that wrap around host plants. This unusual annual plant produces small clusters of white flowers from summer through early fall and survives by attaching to and drawing nutrients from other plants.
In an HOA neighborhood
Gronovius Dodder takes more care to keep looking intentional in a front yard. Maintenance level: high. Consider it for backyard or mid-zone beds rather than the street edge.
- Parasitic nature kills desirable landscape plants
- Stringy orange appearance looks diseased or dead
- Considered a noxious weed in many areas
Wildlife value
The small flowers attract bees and beetles during the summer blooming period. As a native parasitic plant, it plays a role in natural ecosystem balance.
Common questions
- How much sun does Gronovius Dodder need?
- Gronovius Dodder grows best in full sun conditions.
- When does Gronovius Dodder bloom?
- Gronovius Dodder blooms in June, July, August, and September.
- Where is Gronovius Dodder native?
- Gronovius Dodder (Cuscuta gronovii) is native to AL, AR, AZ, CO and 41 more states, per the World Checklist of Vascular Plants (Kew).
- What pollinators does Gronovius Dodder attract?
- Gronovius Dodder draws bees and beetles.
- Is Gronovius Dodder HOA-friendly?
- Gronovius Dodder takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Gronovius Dodder? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Planning a bed around it? Start a free plan with this plant
Not sure where to start? Take the 2-minute yard quiz