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Protecting, enhancing, and promoting
northwest Michigan's natural communities
through terrestrial invasive plant
management and outreach.
Katie Grzesiak, Invasive Species Specialist
HabitatMatters.org
Garfield Township
City of Traverse City
Rotary Camps and Services
Grand Traverse County
The Nature Conservancy
National Park Service
Grand Traverse Hiking Club
Grand Traverse Audubon Club
Little Traverse Bay Band of Odawa Indians
Major Partners:
Funding provided by:
Go Beyond Beauty Go Beyond Beauty—for wildlife habitat, healthy waters,
and bountiful gardens.
A program to remove invasive species from local nurseries’ and
landscaper’s inventory.
• Keep ornamental invasives from
spreading due to planting
• Outreach & education about
efforts to preserve native
habitat by participants
Habitat Matters
&
Go Beyond Beauty
Habitat Matters
For People
For Wildlife
For Northwest Michigan
Courtesy of Michigan
Department of Natural
Resources
Michigan Land Cover
circa 2006 US Averages:
40% agriculture
55% urban, suburban, and
other “disturbed” landscapes
3-5% undisturbed
Sources: U.S. Department of Agriculture
Doug Tallamy, Bringing Nature Home.
Mike Davis
Milkweeds
Angie Lucas
Tim Lindenbaum Karen Oberhauser
Nature’s Vast, Unseen World
Double-toothed prominent (Nerice bidentata) on
an elm leaf.
Carol Groves
Pandorus sphinx moth
(Eumorpha pandorus)
on a Virginia creeper at
Kids Creek Park.
Northern
spicebush
swallowtail.
Hosts:
spicebush,
sassafras.
Lisa Brown
Nature’s Vast, Unseen World
Source: Tallamy, Doug. Bringing Nature Home. Timber Press, 2007.
Woody Plants Ranked by Ability to Support
Butterfly/Moth Species
Common Name Genus Species Supported
oak Quercus 534
willow Salix 456
cherry, plum Prunus 456
birch Betula 413
elm Ulmus 213
pine Pinus 203
chestnut Castanea 125
How Long Until “Non-Native”
Becomes “Native?”
Invasive
Phragmites
Hosting Capacity of Alien Plants
Introduced to North America
Plant Species Herbivores
Supported in
Homeland
Herbivores
Supported in
North America
Years Since
Introduction to
North America
Black sally 48 species 1 species 100
Melaleuca tree 409 species 8 species 120
Indian fig cactus 16 species 0 species 250
Invasive
phragmites
170
species
5 species 300+
Source: Tallamy, Doug. Bringing Nature Home. Timber Press, 2007.
How long does change take?
What’s Invasive? Few natural predators
Native monarch caterpillar eating
native milkweed leaf
Massive seed production
Purple
loosestrife
Non-native
Jake Hendee
Wolfgang Meinhart John D. Byrd, Mississippi State University,
Bugwood.org
Agriculture and Agri-Food
Canada Archive, Agriculture and
Agri-Food Canada, Bugwood.org
Purple loosestrife beetle
introduced for biocontrol
Source: Michigan Natural Features Inventory
What’s Invasive?
Jörg Hempel
Saffron Blaze
Environmental harm – a natural area consisting mostly of one or a
combination of introduced plants that provide minimal habitat value.
Formal definition – a non-native species that harms people, the
environment, or the economy.
Imported accidentally
Invasive Phragmites
John M. Randall, The Nature Conservancy, Bugwood.org
How Do They Get Here?
Imported for
food or
medicine
Grand Traverse Regional Land Conservancy
Garlic mustard
Planted to manage
soil erosion
Autumn olive
Roughly half we imported for our gardens.
glossy / common buckthorn Alnus frangula
Rhamnus cathartica
Mark Lindsay
How Do They Get Here?
barberry Berberis thunbergii
From our yards to our natural areas…
Jil Swearingen, Bugwood.org
Mark Brand
Urban Natural Areas
dame’s rocket Hesperis matronalis
Steven J. Baskauf
Tom Heutte, USDA Forest
Service, Bugwood.org
Rural Natural Areas
• 24 invasives surveyed
– Hickory Meadows
• 100 acres
• All invasive ornamentals present
– 15, high numbers
– Brown Bridge Quiet
Area
• 1300 acres
• Mostly weedy invaders
– 7 invasive ornamentals,
small populations
Lower Priority Invasives
Leslie J. Mehrhoff, University of
Connecticut, Bugwood.org
BlondieYooper
Jerry Kirkhart
Native Landscapes
Native Landscapes
Native Landscapes
Jim Brueck, Owner,
Native Lakescapes LLC
Predecessors
to
Go Beyond Beauty: Proactive
(Not Reactive)
Learning the “Top 20”
Developed by ISN Partners in October 2010
Lists plants causing the most problems
Half of the Top 20 plants still sold for landscape use
Invasives Field Guide
Planting Guide for Townships
Source: Michigan Natural Features Inventory
Ellen Jacquert
Class 1 Class 2 Class 3
Class 1: Planting
Prohibited;
Management required
Class 2: Planting
Prohibited;
Management
Recommended
Class 3: Planting
Prohibited
Class 4: Mowing
Recommended
Other Programs
• The Connecticut Nursery and Landscaping
Association
– Voluntary self-regulating efforts to phase out the majority
of J. barberry (Berberis thunbergii) cultivars from regional
sales
• The Oregon Association of Nurseries
– Designed, published, and distributed to member nurseries
an extensive alternatives booklet titled “GardenSmart
Oregon: A Guide to Non-Invasive Plants”
• The Nature Conservancy
– Partnership with Meijer’s to remove invasive plants from
stock and label native plants.
Go Beyond Beauty Go Beyond Beauty—for wildlife habitat, healthy waters,
and bountiful gardens.
A program to remove invasive species from local nurseries’ and
landscaper’s inventory.
• Keep ornamental invasives from
spreading due to planting
• Outreach & education about
efforts to preserve native
habitat by participants
Goals
• “Bare minimum” standard for plant sales
in the region
• Gardeners purchase from nurseries participating in
GBB
– Encourage others to do the same
• Organizations endorse & support participants
– ISN & beyond
Requirements for Participants • Participating Nurseries must:
– Remove high-priority invasives from inventory
• Including cultivars
– Participation is free if:
• Sell natives
• MAEAP risk assessment
• Minimum 50% of staff through invasive plant training
Support by ISN
• Publicity
– Press releases
– E-newsletter
– Website
– Referrals/inserts
• Education
– Native plant signage
– Presentations
– Individual outreach
Communication Tools
Communication
Tools
Communication Tools
Developed by ISN Partners in October 2010
Lists plants with greatest impacts
Half of the Top 20 plants still sold for landscape use
Top 20 “Least Wanted” Species
Protecting, enhancing, and promoting Northwest
Michigan's natural communities through terrestrial
invasive plant management and outreach.
Questions?
Katie Grzesiak
(231) 941-0960x29
HabitatMatters.org
