News & Events from the Intertwine
Explore the benefits of gardening with Native plants. Discover Portland's most common native plant communities, learn which species do well in similar growing conditions, and get tips to help them thrive.
Learn to create a low-maintenance landscape that conserves water, prevents pollution, and saves you time, money and energy. Get natural gardening & design tips that mimic nature, and make your garden a healthy place for children, pets and wildlife.
Learn about the bees, flies, beetles, moths and butterflies that provide vital pollination services in urban gardens, and discover which plants can help attract and support them. We will go beyond the bloom so you can find out how to provide water, shelter, nesting, and overwintering sites.
Learn how rain gardens add beauty and color to your yard while helping restore the health of urban streams at the same time. You will get step-by-step details on how to plan, design and build your own rain garden. And discover tips for placement, plant selection, and maintenance.
Did you know that beneficial insects work around the clock to protect your garden from pests? Meet the beetles, bugs, flies, lacewings and other invertebrates that provide free pest control.
Learn how rain gardens add beauty and color to your yard while helping restore the health of urban streams at the same time. You will get step-by-step details on how to plan, design and build your own rain garden. And discover tips for placement, plant selection, and maintenance.
Learn about the bees, flies, beetles, moths and butterflies that provide vital pollination services in urban gardens, and discover which plants can help attract and support them. We will go beyond the bloom so you can find out how to provide water, shelter, nesting, and overwintering sites.
Learn how rain gardens add beauty and color to your yard while helping restore the health of urban streams at the same time. You will get step-by-step details on how to plan, design and build your own rain garden. And discover tips for placement, plant selection, and maintenance.
Did you know that beneficial insects work around the clock to protect your garden from pests? Meet the beetles, bugs, flies, lacewings and other invertebrates that provide free pest control.
Want to begin composting your yard and some of your kitchen waste? Turn your garbage into black gold at a Columbia Springs Composting workshop! This two hour class will get you started building soil health in your own backyard, and save you money on your garbage bill.