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Mulching around my tree, how can I get it right?

Q: I'm putting cardboard and chipped wood over much of my backyard to keep the weeds down. How much room should I leave free of cardboard around the trees (one planted only a year ago) so they get enough water (whether ...

A: View answer | View all featured questions

What's the difference between chemical, organic fertilizers?

Differences between processed and organic fertilizers are explained in this article.

May 14, 2004 | News Story

Stressed trees show dieback

Browning or dieback is usually caused by weather-related stress, sometimes in combination with pests and diseases.

Mar 2018 | Article

Five tips to winterize your trees

Your trees may still need attention even in the coldest days of winter.

Jan 17, 2014 | News Story