General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Mesic
Minimum cold hardiness: Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
Maximum recommended zone: Zone 8b
Plant Height: 2 to 3 feet
Plant Spread: 2 to 4 feet
Flowers: Showy
Flower Color: White
Flower Time: Late spring or early summer
Summer
Underground structures: Rhizome
Suitable Locations: Bog gardening
Wildlife Attractant: Bees
Propagation: Seeds: Self fertile
Propagation: Other methods: Division
Stolons and runners
Pollinators: Various insects

Image
Common names
  • Gooseneck Loosestrife
  • Shepherd's Crook Loosestrife

Photo Gallery
Location: Riverview, Robson, B.C. 
Date: 2009-07-25
Very useful in flower bouquets.
Photo by Lucichar
Location: Riverview, Robson, B.C. 
Date: 2005-07-31
They generally bend their heads in the same direction.
Location: My Yard
Date: 2015-06-23
Location: Southern Pines, NC
Date: June 16, 2022
Gooseneck loosestrife #66 nn; LHB p. 784, 160-7-2, "Probably afte
Location:  zone 5 Indiana
Date: 2020-07-11
Location: In my garden in Oklahoma City
Date: 07-04-2019
Gooseneck Loosestrife (Lysimachia clethroides) in Oklahoma City
Location: Southern Pines, NC
Date: June 16, 2022
Gooseneck loosestrife #66 nn; LHB p. 784, 160-7-2, "Probably afte
Location: in my living room
Date: 2019-07-21
Lysimachia clethroides
Photo by PoppyLady420
Location: Stoneham MA
Date: July 12, 2020
Location: My Northeastern Indiana Gardens - Zone 5b
Date: 2012-06-17
Photo by gardengus

Credit: Amos Oliver Doyle | Own work
Location: 2012-0717
Date: 2015-05-18
Location: Obelisk garden - full sun
Date: 2015-06-28
Location: Riverview, Robson, B.C. 
Date: 2005-07-31
Buds promise a good length of bloom time.
Location: Apple Valley MN
Date: 2017-07-15
Location: Lucketts, Loudoun County, Virginia
Date: 2015-06-18
Location: Washington
Date: 2016-07-03
Location: in my living room
Date: 2019-07-21
Lysimachia clethroides
Location: southeast Iowa
Date: 2011-07-02
Location: southeast Iowa
Date: 2011-07-02
Location: Telly's Greenhouse, Troy, MI
Date: 2010-07-16
Location: Belleville, NJ
Date: 2017-06-29
Location: Indiana  Zone 5
Date: June
Location: Vander Veer Botanical Gardens - Davenport, Iowa
Date: 7-1-11
Location: Vander Veer Botanical Gardens - Davenport, Iowa
Date: 7-3-11
Location: Obelisk garden - full sun
Date: 2015-10-24
Location: Obelisk garden - full sun
Date: 2015-10-24
Roots do wander so keep it in check unless you want to spend time
Location: Apple Valley MN
Date: 2017-12-22
Photo by sandnsea2
Location: My Garden
Date: 2012-10-07
Location: In my garden in Kalama, Wa.
Date: 2009-07-08
  • Uploaded by Joy
Location: In my garden in Kalama, Wa.
Date: 2006-07-23
  • Uploaded by Joy

Credit: A. Barra | Own work
Location: Washington
Date: 2016-07-02
Location: Tochigi, Japan
Date: 2016-07-10
road side weed, growing wild in Japan

Credit florum
Location: Southern Pines, NC
Date: June 16, 2022
Gooseneck loosestrife #66 nn; LHB p. 784, 160-7-2, "Probably afte
Location: Telly's Greenhouse, Troy, MI
Date: 2010-07-16
Location: Telly's Greenhouse, Troy, MI
Date: 2010-07-16
Location: My Northeastern Indiana Gardens - Zone 5b
Date: 2012-06-17
Location: Telly's Greenhouse, Troy, MI
Date: 2010-07-16
Location: Telly's Greenhouse, Troy, MI
Date: 2010-07-16
Location: Vander Veer Botanical Gardens - Davenport, Iowa
Date: 7-3-11
Location: Vander Veer Botanical Gardens - Davenport, Iowa
Date: 7-3-11
Location: Conestoga, PA
Date: 2015-08-08
Gooseneck loosestrife/Lysimachia clethroides in lower yard combin
Location: Vander Veer Botanical Gardens - Davenport, Iowa
Date: 7-3-11

Date: August
Credit: Dominicus Johannes Bergsma

Photo Courtesy of Lazy S'S Farm Nursery.
  • Uploaded by Joy

Photo Courtesy of Lazy S'S Farm Nursery.
  • Uploaded by Joy
Location: Lucketts, Loudoun County, Virginia
Date: 2015-06-26
Kept safely in a pot
Location: My Northeastern Indiana Gardens - Zone 5b
Date: 2013-07-14
Location: My garden NC zone 7
Date: June 2004
Location: RHS Harlow Carr, Yorkshire, UK
Date: 2017-08-19

Courtesy Gardens in the Wood of Grassy Creek
  • Uploaded by vic
Location: Washington
Date: 2015-10-21

Courtesy Crownsville Nursery
  • Uploaded by vic

Credit florum

Credit florum
Location: Telly's Greenhouse, Troy, MI
Date: 2010-07-16
Location: Indiana  Zone 5
Date: June
This plant is tagged in:
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Comments:
  • Posted by MissiveMaven (Lovell, Maine (Western ME near White Mountains) - Zone 5a) on Feb 11, 2018 12:46 PM concerning plant:
    I have a love/hate relationship with this plant. I have a garden inherited from former owners, which was well-planned but untended for a couple years before I got to it. The gooseneck loosestrife has almost overtaken the largest garden bed, and I find it nearly impossible to contain. It is very well-established, and the runner spreading encroaches and overtakes other plants.

    However: it is a pollinator magnet. The garden is humming with bees, butterflies, hummingbirds (and yes, wasps too but I don't mind them a bit), and many are drawn by the profusion of loosestrife. It's pretty. And finally - I'm intrigued this is good for bogs, because I have it in very dry, extremely poor soil. I've made my peace with it, because it is planted in an area with bedrock right beneath it, and this may be the only flowering perennial that can survive in two inches of sandy, very poor soil above bedrock.

    And also important: it requires absolutely zero care, other than ripping it up at the edges every summer so it doesn't completely overtake the other plants around it (if left alone, eventually it would do so. The runners are intense). Dry? Wet? Hot? Cool? It's going to bloom and look lovely, whatever the case, at least as far as I've seen in quite variable summer weather.

    In zone 4b this does NOT bloom in late spring or early summer, not until mid-summer do we see the blooms open.

    Would I plant it myself? Probably not (except, again, it does grow well on that two inches of soil over bedrock). But it's there now, I'm probably never getting rid of it, so I've decided to love it for all the pollinators it brings, and the blooms which are indeed lovely.
  • Posted by materfan on Jul 28, 2015 9:14 PM concerning plant:
    These are pollinator magnets! All kinds of little flyers love them.

    I have a bunch filling a 6'Lx3" W raised bed. A few escape, and are easily pulled up, and relocated on an embankment for erosion control.

    I can see that someone might get annoyed if they wanted it in a certain area, and it randomly kept popping up out of boundaries, but if it's used "correctly" and given an area to itself to spread in, its boundaries can be easily maintained by a lawn mower, weed barrier, stonework, or even raised beds and walkways.

    It shouldn't be planted near persons with bee sting allergies because it bustles with pollinators, including bees and wasps.

    It can self seed, and individual plants pop up in various places, and that might be what they mean by invasive.

    Self-sowing plants, if left there, can start new colonies, that would be hard to get rid of, especially in unmowable places.
  • Posted by gardengus (Indiana Zone 5b) on Sep 20, 2011 3:18 PM concerning plant:
    This loosestrife, like most, is considered invasive and spreads quickly by underground roots.
  • Posted by sandnsea2 (Cape Cod, MA, USA - Zone 7a) on Oct 3, 2011 12:00 PM concerning plant:
    I know Lysimachia is said to be very invasive, but in my experience this plant has never exhibited any invasive tendencies. I have grown it in the same spot for 6 years and it has spread maybe 2 feet.
Plant Events from our members
aspenhill On May 21, 2011 Obtained plant
DG Gita (gitagal) - qty 1
WebTucker On June 16, 2022 Bloomed
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Discussion Threads about this plant
Thread Title Last Reply Replies
Great Picture! by DogsNDaylilies Mar 11, 2018 11:22 PM 5
Gooseneck Loosestrife in Oklahoma City by jathton Oct 20, 2019 8:39 PM 0

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