SCPCDC

• Protect Your Vineyard: Why Mapping Tree-of-Heaven Matters & What Growers Can Do Now
  As California strengthens its preparedness for the Spotted Lanternfly (SLF), one of the most effective actions vineyard managers can take right now is helping identify and map the invasive Tree-of-Heaven (Ailanthus altissima) across their properties and surrounding landscapes. Tree-of-Heaven (TOH) is more than a fast-growing weed—it is the preferred host plant that supports SLF feedingContinue reading “Protect Your Vineyard: Why Mapping Tree-of-Heaven Matters & What Growers Can Do Now”
• Radar Up: Oregon State’s SLF Hatch-Timing Model – Why Sonoma County’s PCD Needs to Launch Before the First Nymph Does
  🛰️ OSU’s SLF Forecast Model is live — a near real-time phenology “radar” that projects 🪺 egg hatch and 🦋 adult emergence across the U.S. Built on Oregon State’s degree-day platform and validated with field + community observations, it helps time 🔎 surveillance, 🎯 targeted control, and ⚡ rapid response while cutting costs. Read theContinue reading “Radar Up: Oregon State’s SLF Hatch-Timing Model – Why Sonoma County’s PCD Needs to Launch Before the First Nymph Does”
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  Winemaker Robert Butz on the Growing Threat of the Spotted Lanternfly – recent article by Kate Ryan for WTOP
  In a recent article by Kate Ryan for WTOP, Robert Butz, co-owner of Windridge Vineyards in Montgomery County, shares his insights on the escalating issue of the spotted lanternfly, an invasive pest that has become a significant threat to vineyards. Initially, Butz wasn’t too concerned about the pest, as invasive species tend to come andContinue reading “Winemaker Robert Butz on the Growing Threat of the Spotted Lanternfly – recent article by Kate Ryan for WTOP”
• Calling Grape Growers & Industry Members: Join the Effort to Combat Spotted Lanternfly
  July 18, 2025 — Researchers at the USDA-ARS Appalachian Fruit Research Station—working in partnership with Virginia Tech, Penn State, Rutgers University, and others—are leading a multi-state initiative, Areawide Management of the Invasive Spotted Lanternfly and Tree of Heaven. This project aims to suppress populations of both invasive species to improve ecosystem health, reduce insecticide use in vineyards,Continue reading “Calling Grape Growers & Industry Members: Join the Effort to Combat Spotted Lanternfly”
• Attn. Sonoma County Winegrowers, this is just a little too close to home: Oregon Dept. of Agriculture warns of possible spotted lanternfly sighting in Portland
  In a recent article by Michaela Bourgeois titled “Oregon Dept. of Agriculture warns of possible spotted lanternfly sighting in Portland” (KOIN, May 22, 2025), the Oregon Department of Agriculture (ODA) reported a sighting of the invasive spotted lanternfly (SLF) in Portland’s Colonel Summers Park. The sighting was submitted via the iNaturalist platform, prompting ODA andContinue reading “Attn. Sonoma County Winegrowers, this is just a little too close to home: Oregon Dept. of Agriculture warns of possible spotted lanternfly sighting in Portland”

SCPCDC

Sonoma County Wine Grape Pest and Disease Control District Coalition is working to establish a Pest Control District in Sonoma County. Sign up to stay informed.