Plant Healthcare Service Timing

Below is a list of the services we offer and the approximate timeframe during which we begin administering treatments. Please be aware that some treatments are contingent upon weather/temperature patterns, precipitation, or emergence of specific insects, so the windows listed below are approximate.

Anti-Transpirants

  • Anti-Transpirant (1)– Late fall
  • Anti-Transpirant (2)– Mid-winter

Dormant Oils

  • Dormant Oil (1)– Late fall
  • Dormant Oil (2) – Mid-winter

Deep Root Fertilizers and BioRush

  • Spring – March through June
  • Fall– September and October

Foliar Sprays

  • Ash Anthracnose – Ash bud break, roughly April
  • Bagworms – bagworm emergence, roughly June – August
  • Cedar Apple Rust – First application at bud break, roughly mid to late March
  • Insecticide– April- September, will depend on particular pest
  • Juniper Rust – September onwards
  • Japanese Beetles – Japanese beetle emergence, late June – August
  • Mites (Spring) –  May-June
  • Mites (Summer) – June- August
  • Pine Fungus – Starts at pine bud break, roughly late April
  • Spruce Fungus – Starts as spruce needles emerge, roughly late April to early May
  • Webworm – each spray coincides with a generation, roughly late June, Late July, Late August

Soil Injections

  • Bagworms – Pre-bagworm emergence, roughly June
  • Boring Insects – Start April, ongoing depending on pest
  • Early Spring Insecticide – April –  May
  • Growth Regulator – Variable
  • Japanese Beetle (nonflowering trees) – Spring, before June
  • Japanese Beetle (flowering trees) – Just before beetle emergence, June
  • Sucking & Chewing Insects – Start April, ongoing depending on pest
  • Sucking & Chewing insects (Fall) – September- October
  • Webworm – June, July

Trunk Injections

  • Anthracnose (Sycamore anthracnose, Dutch elm disease, oak wilt) – Spring/Summer
  • ArborFos– Variable
  • Boring Insects – Variable
  • Emerald Ash Borer – Need leaves, late April – August
  • Fire Blight – Early spring, roughly April- May
  • Iron and Manganese (Spring, need full leaves) – June
  • Iron and Manganese (Fall) – September – October
  • Pine Wilt – Variable
  • Webworm – before July
  • Vigor –  Variable
  • Zimmerman Pine Moth – Spring

Trunk Sprays

  • Emerald Ash Borer – Spring- Early summer
  • Insecticide – April-September depending on pest
  • Zimmerman Pine Moth (1) – Late April – Early May
  • Zimmerman Pine Moth (2) – Mid August