Events, Classes & Workshops

Grow your gardening knowledge & skills with Dennis’ 7 Dees! View free classes, hands-on workshops and seasonal events coming up this month. Check back for monthly updates and new postings!

Garden Classes & Workshops

Grow your gardening knowledge with Dennis’ 7 Dees! Our five garden centers in SE Portland, Lake Oswego, Cedar Hills, Seaside, and Bethany, OR offer free seminars and hands-on workshops every week throughout the year to help you succeed in your garden. Whether you’re first trying out your green thumb or are a seasoned gardener, our classes and events will give you lots of great ideas and unique ways to express your creativity.

At Dennis’ 7 Dees, we have a passion for plants, and we want to share it with our friendly neighbors and communities. From learning how to care for roses to growing your own edible garden and everything in between, you’re sure to find something fun and educational for you and your family.

Check back regularly for new events and schedule updates at Dennis’ 7 Dees Garden Centers in SE Portland, Lake Oswego, Cedar HillsSeaside, and Bethany. We look forward to growing with you.  

Mar
04

Grow More Food & Flowers with Mason Bees

  • Date:March 4, 2017
  • Location: Cedar Hills Lake Oswego SE Portland

The gentle-natured and very efficient mason bee is one of our native bees that help increase fruit and flower production. Come learn about these garden helpers and ways to encourage more of them to visit and stay in your garden. We will have bees available for purchase as well as nesting boxes and supplies to get you started.

Event Info

Date: March 4, 2017
Time: 10am
Location: Cedar Hills

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Date: March 4, 2017
Time: 1pm
Location: Lake Oswego

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Date: March 4, 2017
Time: 3pm
Location: SE Portland

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Mar
04

Portland Rose Society Rose Pruning Clinic

  • Date:March 4, 2017
  • Location: Lake Oswego

Get ready for spring with Portland Rose Society. Rose experts will be answering questions and demonstrating proper rose pruning techniques; bring your hand pruners in to be sharpened while you shop and a 1 cup bag of soil for free pH testing.

Event Info

Date: March 4, 2017
Time: 12-3pm
Location: Lake Oswego

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Mar
11

Dreaming of Dahlias

  • Date:March 11, 2017
  • Location: Cedar Hills Lake Oswego SE Portland

Come learn how to grow this classic summer bloomer. We will be featuring over a dozen dramatic varieties from our local supplier Swan Island Dahlias, located in Canby Oregon; the largest and leading dahlia grower in the US. Plant tubers this spring for a garden full of beautiful summer bouquets!

Event Info

Date: March 11, 2017
Time: 10am
Location: Cedar Hills

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Date: March 11, 2017
Time: 1pm
Location: Lake Oswego

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Date: March 11, 2017
Time: 3pm
Location: SE Portland

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Mar
18

Growing Edibles in Containers

  • Date:March 18, 2017
  • Location: Cedar Hills Lake Oswego SE Portland

Growing edibles in containers is easy and fun when you begin with a little preparation and knowledge. We will discuss the best timing, techniques, new introductions and our favorite varieties to try; if you want to grow berries &/or vegetables in pots be sure to attend this class to make your gardening season a success.

Event Info

Date: March 18, 2017
Time: 10am
Location: Cedar Hills

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Date: March 18, 2017
Time: 1pm
Location: Lake Oswego

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Date: March 18, 2017
Time: 3pm
Location: SE Portland

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Mar
25

Privacy Screens & Hedges

  • Date:March 25, 2017
  • Location: Cedar Hills Lake Oswego SE Portland

Making a space that feels private/intimate in your urban garden can sometimes pose a challenge. Come learn about the best plants to use for creating privacy screens & hedges for a variety of conditions as well as planting and care information. If you’ve been feeling like you are gardening in a ‘fish bowl’ or providing entertainment for the neighbors & looking for solutions, this class is for you!

Event Info

Date: March 25, 2017
Time: 10am
Location: Cedar Hills

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Date: March 25, 2017
Time: 1pm
Location: Lake Oswego

Register
Date: March 25, 2017
Time: 3pm
Location: SE Portland

Register

Meet Instructor Nicole Forbes

Nicole has lived & gardened in Portland for more than 20 years and started working for Dennis Seven Dees in the late 1990s. She has experience in nearly every retail garden center job position that exists but has found her niche in teaching gardening classes and hosting events like our Annual Tomato Tasting. Nicole's love of plants and people is evident in her fun and energetic teaching style. She also writes many of our blog articles and helps with employee training at the garden centers.