The Master Gardener Hortline

We are still answering questions! Please call and leave a message. A Master Gardener will get back to you as soon as we can.
We answer horticulture questions in an unbiased, research-based manner.


The Linn County Master Gardener Hortline is a free service.


Hortline (319) 447-0647

Summer Hortline HOURS:  March 1st - Oct 31st

  • Monday-Thursday 9:00am-Noon and 1:00pm-4:00pm
  • Friday 9:00-12:00

Winter Hortline HOURS:  Nov 1st - Feb 28th/29th

  • Monday-Friday 10:00-12:00

You can also email the Master Gardeners at


The Master Gardeners: Who are they? How can you become one?  What classes and events are coming up?

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