Posts by Rick Helpingstine
Nurseries producing container or field grown trees often have to deal with oak leaf blister.
Many nurseries have experienced flooding recently due to extreme weather. What can growers do to mitigate flood damage to their plants?
A leaf analysis provides the most accurate indication of a plant's overall health. Here's some advice for collecting samples and interpreting test results from the lab.
Checking the electrical conductivity (EC) in potting media is one of the quickest and least expensive ways to evaluate fertility status.
Applying silicon is a practical and economical way to make container plants stronger and more insect, disease and stress resistant.
Plants aren't able to think the way we are, but that doesn't mean they're helpless.
Ambrosia beetles can cause significant problems in tree nurseries and in landscapes. Lynn Griffith has some excellent advice on identification and control of these pests.