TechNotes Tips - 02.22.02 - Lawn & Landscape

Published March 13, 2002

Crabgrass germination and developmental keys: Ornamental plant development events and soil temperatures can be used to predict when crabgrass will germinate. For example, forsythia flower withering is a sign for crabgrass germination. Below are some key soil temperatures for crabgrass appearance (Fidanza et al. 1996. Crop Science).

Description of crabgrass development	Temperature (F)
Average minimum soil temperature at which initial appearance is observed	54
Average mean soil temperature at which initial appearance is observed	60 to 64
Average minimum soil temperature at which major emergence occurs	68 to 70
Average mean soil temperature at which major emergence occurs	73 to 75

For additional information on Barricade, go to:
http://www.syngentaprofessionalproducts.com/labels/Index.asp?nav=PrdLst&F=PrdDsp

and/or

http://www.syngentaprofessionalproducts.com/labels/Index.asp?nav=PrdLst&F=PrdDsp

ICE: its impact on the green industry
PBI-Gordon adds Kevin Laycock to vice president role
What you'll see at Lawn & Landscape's Technology Conference
TruArc Partners acquires Schill Grounds Management
Perennial Services Group recapitalizes with Brentwood, Tenex
Our first issue of 2026 is live
Senske's Emerald Lawns adds Greenup Lawn and Shrub Care
Giving back with words

TechNotes Tips - 02.22.02

Turning books into thoughtful, interactive learning

Bartlett Tree Experts acquire Oregon's Bartlett Tree Service

Massey Services promotes Mumme to divisional VP, commercial services region

Asplundh Infrastructure Group promotes MacAleese to COO

Caterpillar's Umpleby III to retire as executive chairman of board

Beyond the noise in 2026