Tip of the week – Weed & Feed and it’s effects on Conifers

Needled evergreens, and in particular Colorado Blue Spruce, can have sensitive new growth severely damaged and even killed from phenoxy-type herbicides (2-4D etc.) applied to lawns containing these conifers during the new growth period.  Do not apply these herbicides around conifers from budbreak (usually occurs in mid-May) to about July 4th.  By this date, new […]