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.  

Jul
08

Heavenly Hydrangeas

  • Date:July 8, 2017
  • Location: Cedar Hills Lake Oswego SE Portland

There are many reasons for hydrangeas to be popular including long bloom time, ease of care & maintenance as well as a wide variety of uses in the landscape. Come learn how a hydrangea (or two) added to your garden can provide much needed color this summer and be a great addition to the landscape. Get reacquainted with old standards like “Nikko Blue” and check out fantastic new introductions while you’re here.

Event Info

Date: July 8, 2017
Time: 10am
Location: Cedar Hills

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Date: July 8, 2017
Time: 1pm
Location: Lake Oswego

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Date: July 8, 2017
Time: 3pm
Location: SE Portland

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Jul
15

Carnivorous Plants For All Ages

  • Date:July 15, 2017
  • Location: Cedar Hills Lake Oswego SE Portland

Venus Flytraps, Sundews, Pitcher plants, Cobra Lilies and other bug-eating plants will be featured for this class. Children are especially enthralled with these unique specimens; come learn how to care for these fascinating creatures including how to select the best plants and what kinds of conditions they like. We will demonstrate how to create a container bog garden during the class.

Event Info

Date: July 15, 2017
Time: 10am
Location: Cedar Hills

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Date: July 15, 2017
Time: 1pm
Location: Lake Oswego

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Date: July 15, 2017
Time: 3pm
Location: SE Portland

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Jul
22

Summer in the Veggie Garden

  • Date:July 22, 2017
  • Location: Cedar Hills Lake Oswego SE Portland

It is late July and your vegetable garden should be in its glory days! Come learn how to keep your edibles happy through the summer, tips to maximize & creatively use your harvests and how to prepare for the next season.

Event Info

Date: July 22, 2017
Time: 10am
Location: Cedar Hills

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Date: July 22, 2017
Time: 1pm
Location: Lake Oswego

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Date: July 22, 2017
Time: 3pm
Location: SE Portland

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Jul
29

Converting Lawns Into More Usable & Interesting Space

  • Date:July 29, 2017
  • Location: Cedar Hills Lake Oswego SE Portland

Tired of mowing, fertilizing, aerating, and thatching? Unsure of what to do with that sea of water-hungry turf? Come explore new and interesting possibilities for your lawn area, and find out how to best use of space in your landscape. Special instructor Eric Hagberg, Dennis' Seven Dees landscape designer.

Event Info

Date: July 29, 2017
Time: 10am
Location: Cedar Hills

Register
Date: July 29, 2017
Time: 1pm
Location: Lake Oswego

Register
Date: July 29, 2017
Time: 3pm
Location: SE Portland

Register
Sep
09

Tomato Tasting Festival

  • Date:September 9, 2017
  • Location: Cedar Hills Lake Oswego SE Portland Seaside

Calling all tomato lovers! Sample over 50 varieties including heirlooms. Taste the flavor of harvest time and make plans for next year's tomato planting. Sample new, heirloom & unusual varieties and vote for your favorites!

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.