Category: Invasive Plant Removal Techniques

  • Remove These Three Weeds, but Beware of the Native Plants that Look Similar

    Remove These Three Weeds, but Beware of the Native Plants that Look Similar

    It’s best to remove weeds before they flower and seeds develop, but at that stage there are some native plants that can look quite similar.

  • Weeds of the Turf Next to Our Backyard Forests

    Weeds of the Turf Next to Our Backyard Forests

    Our backyard forests often lie next to areas of turf that receive no irrigation or chemical inputs and inconsistent mowing. These “input-free” turf areas provide ample opportunity for colonization by a host of plants that are not welcome in the forest. The main line of defense against the spread of these weeds are the Bradley…

  • Exploiting the Weaknesses of Herb Robert in Late Winter and Early Spring

    Exploiting the Weaknesses of Herb Robert in Late Winter and Early Spring

    From late Winter through early Spring, I like to exploit the weaknesses of Herb Robert by removing those that sprouted during last year’s growing season, survived the winter, and are poised to flower when the weather turns warm.

  • Removing or Allowing Plant Siblings

    Removing or Allowing Plant Siblings

    As we weed our backyard forests and their edges, we are constantly making decisions about which plants to remove and which to allow. For some plant species those decisions are complicated by various factors, and different restoration practitioners may have different, legitimate opinions.

  • A Critique of the Forterra Model of Forest Restoration for Everett’s Forest Park

    A Critique of the Forterra Model of Forest Restoration for Everett’s Forest Park

    Now that Forterra has decided to essentially end its on-the-ground involvement in the Green Everett Partnership, I feel more at liberty to criticize its urban forest restoration model as it was applied in Everett’s Forest Park. The model’s failure, I believe, stems from the basic mismatch between the amount and type of labor needed to…

  • Annual Winter Weeds

    Annual Winter Weeds

    Among the annuals that germinate in winter, several are Eurasian introductions that deserve our attention once we have eliminated the more-invasive weeds from our backyard forests.

  • Blackberry Bradley Line

    Late fall seems to find me in a wetland untangling Himalayan Blackberry from Salmonberry. Most recently I was working on maintaining and extending a Bradley Line that protects an area of Salmonberry and Black Twinberry from old-growth Himalayan Blackberry (Rubus armeniacus).

  • Removing Creeping Buttercup and Herb Robert in the Dry Season

    I think the dry season can be a good time to remove Creeping Buttercup and Herb Robert.

  • Keeping Invasive Grasses Out of Our Backyard Forests

    Keeping Invasive Grasses Out of Our Backyard Forests

    How do we keep invasive grasses out of our backyard forests? How do we avoid removing indigenous grasses? I don’t think there are easy answers to either of these questions, but I have a few ideas and a confession. My Basic Strategy is Also a Confession I confess that I routinely try to remove any…

  • Compost Heaps in the Backyard Forest

    What should we do with all of those invasive plants after we’ve pulled them out of the ground? My preference is to compost them on site to help maintain local soil fertility, and I’ve developed a few preferences that I thought might be worth sharing.

  • Weed Whacking Bad Edges — Some Pros and Cons

    Last year, I began weed whacking a few “bad edges” to see if it would help prevent the weeds from recolonizing adjacent “good areas.” I have some preliminary opinions on some pros and cons of this practice.

  • The Bradley Method

    The Bradley Method

    Published in Australia in 2002, “Bringing Back the Bush – The Bradley Method of Bush Regeneration” encapsulates the principles and methods developed by sisters Eileen and Joan Bradley based on their years of work restoring portions of a natural area in Sydney.

  • Ranunculus Repens (Creeping Buttercup)

    Ranunculus Repens (Creeping Buttercup)

    Ranunculus repens has been creeping up on me for thirty years.

  • September Himalayan Blackberry

    September Himalayan Blackberry

    Himalayan Blackberry is one of those invasive weeds whose removal is important, but not urgent. It can be put off for a while, but not forever. September, the end of the dry season, is not my ideal time to work on it, but lacking any urgent tasks in the forest, I was able to get…

  • Pulling Stinging Nettle in Patches of Hedge Bindweed

    Pulling Stinging Nettle in Patches of Hedge Bindweed

    As I fight my way through tall vegetation removing masses of Hedge Bindweed, I also pull out any Stinging Nettle I come across even though it may be native to the Pacific Northwest.

  • It’s Not too Late for Hedge Bindweed

    It’s Not too Late for Hedge Bindweed

    I know it has already started blooming, but I don’t think it’s too late to work on the Hedge Bindweed. Since I don’t know how to eradicate this invasive, I’m only trying to contain it . . .

  • Nipplewort and Wall Lettuce

    Nipplewort and Wall Lettuce

    The ideal strategy for controlling both Nipplewort and Wall Lettuce is to remove them during that very brief period between the initial shooting-up of the flower stalks and emergence of the flower buds.

  • The Bradley Method of Bushland Regeneration

    The Bradley Method of Bushland Regeneration

    I thank Luke McGuff (who works at North Beach Park) for telling me about the Bradley Method of “bushland regeneration.” The method is named after two sisters, Eileen and Joan Bradley, who developed a successful method of restoring native vegetation to degraded natural areas in Australia. Their ideas are relevant anywhere, including our backyard forests…

  • Three April Weeds to Pull (Before They Flower in May)

    Three April Weeds to Pull (Before They Flower in May)

    I’m patrolling edges this month, removing invasive annuals and biennials. My top priority is Herb Robert, a.k.a. Stinky Bob, Death-Come-Quickly, and numerous other amusing common names.

  • How Much Time Will it Take to Restore Your Backyard Forest?

    Like many residents in the Puget lowland, you may have infestations of invasive plants in your backyard forest that you want to tackle – more than you can remove in an afternoon, and perhaps more than you can remove in a dozen afternoons. You could just dive in and start pulling weeds, but you may…