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 three garden centers in Lake Oswego, Cedar Hills, and Seaside, 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 Lake Oswego, Cedar Hills, and Seaside. We look forward to growing with you.  

Jun
23

All About Vines

  • Date:June 23, 2018
  • Location: Cedar Hills Lake Oswego

Come learn how to choose the right vine for your garden space and how to best grow and support them. We will cover topics including vines for fragrance, privacy, attracting hummingbirds, container growing, and different styles of trellising and showcasing vines in your landscape.

Event Info

Date: June 23, 2018
Time: 10am
Location: Cedar Hills

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Date: June 23, 2018
Time: 1pm
Location: Lake Oswego

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Jun
27

Who’s Afraid of Botanical Latin?

  • Date:June 27, 2018
  • Location: Seaside

There’s no need to be intimidated by plant Latin – you already know more than you think! Come have some fun while you learn to decipher plant tags, getting clues from the botanical name about the plant’s eventual size, color and cultural needs. Katja Biesanz, a Tillamook County Master Gardener, shares her passion for gardening AND word roots.

Event Info

Date: June 27, 2018
Time: 6pm
Location: Seaside

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Jun
30

Heavenly Hydrangeas

  • Date:June 30, 2018
  • Location: Cedar Hills Lake Oswego Seaside

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: June 30, 2018
Time: 10am
Location: Cedar Hills

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Date: June 30, 2018
Time: 1pm
Location: Lake Oswego

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Date: June 23, 2018
Time: 10am
Location: Seaside

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Jul
07

Watering 101

  • Date:July 7, 2018
  • Location: Cedar Hills Lake Oswego

The summer heat is just around the corner and now is the perfect time to learn about watering! We will cover everything from how much, how often, what time of day and how you should water your indoor container gardens to outdoor hanging baskets. There is something for everyone to learn in this class for all levels of gardeners!

Event Info

Date: July 7, 2018
Time: 10am
Location: Cedar Hills

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Date: July 7, 2018
Time: 1pm
Location: Lake Oswego

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Jul
19

Sip & Craft: Table-Top Water Gardens

  • Date:July 19, 2018
  • Location: Lake Oswego

Green thumbs are not required for this easy workshop where we will learn about floating water plants and small water gardens. Together we will create elegant arrangements in glass containers for each to take home and enjoy!

Event Info

Date: July 19, 2018
Time: 5pm
Location: Lake Oswego

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Jul
28

Celebrate Succulents

  • Date:July 28, 2018
  • Location: Cedar Hills Lake Oswego

Everyone loves succulents! How could you not? They come in a variety of shapes, sizes and colors and are easy to care for! This class will cover hardy sedums and succulents, succulents suitable for indoor gardens and showcase different ways to use them in your home or in your landscape!

Event Info

Date: July 28, 2018
Time: 10am
Location: Cedar Hills

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Date: July 28, 2018
Time: 1pm
Location: Lake Oswego

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Aug
04

Summer in the Veggie Garden

  • Date:August 4, 2018
  • Location: Cedar Hills Lake Oswego

It is early August 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: August 4, 2018
Time: 10am
Location: Cedar Hills

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Date: August 4, 2018
Time: 1pm
Location: Lake Oswego

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Aug
11

Homegrown Refreshments

  • Date:August 11, 2018
  • Location: Cedar Hills Lake Oswego

Scrumptious cocktails and refreshing beverages are fun to drink and easy to make from fruits, veggies & herbs grown right on your patio or in your garden. Come learn what to plant and how to harvest some of the best ingredients for great summer drinks you can make at home.

Event Info

Date: August 11, 2018
Time: 10am
Location: Cedar Hills

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Date: August 11, 2018
Time: 1pm
Location: Lake Oswego

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Aug
16

Sip & Craft: Homegrown Refreshments & Garden Trivia Night

  • Date:August 16, 2018
  • Location: Lake Oswego

Scrumptious cocktails and refreshing beverages are fun to drink and easy to make from fruits, veggies & herbs grown right on your patio or in your garden. Come learn what to plant and how to harvest some of the best ingredients for great summer drinks you can make at home.

Event Info

Date: August 16, 2018
Time: 5pm
Location: Lake Oswego

Register
Aug
18

Carnivorous Plants for All Ages

  • Date:August 18, 2018
  • Location: Cedar Hills Lake Oswego

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: August 18, 2018
Time: 10am
Location: Cedar Hills

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Date: August 18, 2018
Time: 1pm
Location: Lake Oswego

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.