Thistle Bird Feeders

Bad Weeds Sprout From Birdseed FeedersBad Weeds Sprout from Birdseed Feeders Studies at Oregon State University found 50+ weed species in velvetleaf (Abutilon theophrasti) -- we found it is growing in the soil beneath backyard bird feeders." flower and spread. 10 invasive weed species buffalobur (Solanum rostratum Dunal) bull thistle ... View Document KILLING WITH [...]