Yellow Fireweed, Senecio madagascariensis Poiret
The Yellow Fireweed, Senecio madagascariensis Poiret is beautiful daisy-like flower that looks harmless. If left unchecked, those one or two plants, could create a sea of yellow throughout your pastures, lawn, or in your flowerbeds. Its highly toxic to all livestock and animals when ingested. For horses and cattle it can lead to weight loss, loss of milk product, loss of appetite, jaundice , sensitivity to sunlight and chronic liver sclerosis.
If you happen to find this on your property, cut it back before it goes to seed and use a weed killer to kill it. If you have small amount on your property, bag the flower and cut it off. The flowers can still set seed and spread even as the weed killer is killing the plant.
The Yellow Fireweed is a lightly haired herb that grows 20 to 60 cm and perennial exotic weed in some zones. Sometimes the plant can become woody and shrub-like. In dry conditions it acts as an annual stay under 20 cm tall with limited branching and flowers. In ideal conditions its a short lived pernnial and grow up to 50 cm tall with many branches, large leaves and a lot of flowers.
Yellow Fireweed, Senecio madagascariensis Poiret – Features
Common Names: Fireweed,
Scientific Name: Senecio madagascariensis Poiret
Plant Type: Perennial exotic weed, annual
Flower Color: Yellow
Plant Color: Green
Bloom Time: Late Spring, Early Summer
Growth Rate: Invasive
Hardiness: Hard to kill
Water needs: Drought tolerant