Garlic mustard pull in Benzie County.
Photo by: Katie Grzesiak
  
March was a whirlwind month for ISN. Along with preparing for the 2016  season, we also hired our four-person treatment crew, two-person survey crew, and filled the two new positions of Habitat Management Specialist and Outreach Assistant. We are excited to grow the ISN team with highly qualified folks who will only add to the good work being done in the region. Stay tuned for staff introductions in next month's newsletter!

Looking ahead, ISN is prepping for our annual spring garlic mustard workbees. Held in all  four counties (Benzie, Grand Traverse, Leelanau, and Manistee) this is a great  opportunity to get outside, learn more about efforts for management, and as a bonus, eat a delicious lunch made with garlic mustard. Many of the plants we pull will go on to Paperworks Studio and be made into paper! This is an exciting partnership that we are looking forward to expanding.  Additional information can be found on our events page. Interested in learning more about garlic mustard and why it's a target? Read on below or visit our website for more information. 
Meal prepared with garlic mustard. 
Photo by: Katie Grzesiak
 
As spring brings us warmer days, remember to keep an eye out for invasives in your area. Any sightings can be reported directly to the Midwest Invasive Species Information Network. ISN welcomes inquiries as well and can assist with identification and treatment options.

Yours in Conservation,
 
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Get Involved -  Upcoming Opportunities!

ISN Events

Manistee County Garlic Mustard Workbee - Magoon Creek
Friday, May 6, 9am-noon

Grand Traverse County Garlic Mustard Workbee - 
Boardman River Nature Center
Saturday, May 7, 9am-noon

Benzie County Garlic Mustard Workbee - Tank Hill, Frankfort
Friday, May 13, 9am-noon

Leelanau County Garlic Mustard Workbee - Clay Cliffs Natural Area
Saturday, May 14, 9am-noon

Please plan to bring work gloves and water - lunch will be provided!



  Partner Events 
Benzie County
Grand Traverse County

Leelanau County
Saturday, April 9-- Early Spring Hike at Clay Cliffs
Thursday, April 21-- Wildflower Rescue Annual Kickoff
Saturday, April 23-- Spring Hike at Lamont Preserve
Saturday, April 30-- Hike at Swanson Preserve

Manistee County
Saturday, April 16-- Arcadia Spring Birding
Friday, April 22-Saturday April 23-- Annual Tree Sale

See more partner events on our website!
On the Lookout for: Garlic Mustard  (Alliaria petiolata)

Key facts:

Garlic mustard population in Betsie Dune Nature Reserve. Photo by GTRLC

Introduced: Introduced to the US in 1868 by settlers as a salad green and pot herb. 
Key ID Features: Toothed, triangular to heart-shaped leaves.  Rosettes of leaves or white flowers on tall plants.
Interesting tidbit: If harvested when young (before flowering), greens may be used in a garlicky salad green, or made into pesto!  Garlic mustard has high levels of vitamins A and C. 

What problems does garlic mustard cause?
 Mature garlic mustard plant showing flowers and adult leaves. Photo by: Wisconsin DNR

Like most invasive plants on the Top 20 list for the Grand Traverse region, garlic mustard replaces native plants in high quality natural areas, which in turn reduces critical food resources for birds, butterflies, and other wildlife.  In addition to physically crowding out native plants-especially spring ephemerals like trillium and violets-garlic mustard releases chemicals into the soil that hinder the growth of other plants.  Furthermore, few native herbivores will eat garlic mustard, giving it a large competitive advantage over native plants.  The replacement of native plants by garlic mustard can hinder forest regeneration by limiting tree seedling growth.  Garlic mustard seeds are able to live in the soil for at least 7 years before sprouting.  

What does garlic mustard look like?

Garlic mustard first year seedling; note rounder leaves and small size. Photo by Long Forestry Consultation
Garlic mustard is a biennial herb that usually grows to 2-3 feet when mature, though it spends its first growing season and the following winter as a small, leafy rosette. Leaves are triangular or heart-shaped, and are roughly and irregularly toothed. The second year stem is topped by clusters of small, white, 4-petaled flowers. All parts of the plant small of garlic when crushed, especially early in the season. Adult plants die in midsummer, but persist as tall dead stalks with thin seed pods. Although tolerating a range of conditions, garlic mustard is most common in moist forest edges, open woods, and shaded roadsides. 

How do I manage garlic mustard?
A paper card made from garlic mustard. Photo and product by:Patterson Clark; alienweeds.com

Pulling garlic mustard is very effective in small populations.  Take care to remove the root, and pulling should be done inearly spring, before the plant goes to seed.  Garlic mustard is an extremely hardy plant, and can re-sprout in a compost pile or if left out, and seeds can develop even if the plant was not flowering when pulled.  There are many methods of disposing of pulled garlic mustard to explore.  Larger populations may be managed through herbicide use; spraying is best done in early spring and late fall, when garlic mustard is one of the few green things, so there is little risk to native plants.



Want to eat garlic mustard?

Try one of these many resources for recipes, search for more, or make up your own!  
Please make sure the area you harvest from has not been sprayed with herbicides.

Garlic mustard recipes from Friends of Silgo Creek
Garlic mustard and other recipes from Wildman Steve Brill
Eat it to Beat it! cookbook from Appalachian Forest Heritage Area
Roulade and  ravioli from The 3 Foragers
From Pest to Pesto cookbook from Potomac Highlands CWPMA
Go Beyond Beauty is Growing!
Visit our website to see our new landscaper and nursery participants or to learn more about joining this voluntary program to remove invasive ornamental plants from sales.
Spring Meeting
Monday, April 4th, 1:00-3:00pm
Boardman River Nature Center

231-941-0960                Like us on Facebook              HabitatMatters.org 
Grand Traverse Conservation District
1450 Cass Road
Traverse City, Michigan 49685
231-941-0960