Larkspur Plant Resources

A Reference for the Minnesota Region

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The guides and factsheets posted here are free to download for educational or other non-profit use. For any other use, please ask for permission using the contact form at right.

How to Identify Narrowleaf Bittercress

How to Identify Invasive Plants in the Carrot Family

How to Identify Native and Introduced Phragmites, Common Reed

How to Identify Oriental Bittersweet in Winter

How to Identify Common Buckthorn in Winter

Winter Identification of Deciduous Trees and Shrubs: Some Tips and Terms

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Plant Profile: Illinois Carrion Flower

This plant of semi shade smells like its name. Illinois carrion flower in bloom in late May. The flowers smell, faintly, of rotting meat. I...

AI and Larkspur

None of the posts on Larkspur are generated by AI, and they cannot be used to train AI without permission. See the "About" page for more information.

Snapshots

Ironwood trees, aka hop hornbeam, bear hanging clusters of fruits. Each sack in the cluster holds a small nut that is about the size of a sunflower seed. Follow the image to learn more about this native tree.

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Featured Web Resources

Plant identification? There's an app for that -- actually several! Erin Hill, Michigan State University. March 2024.
How to Identify Plants Without an App. Jesse Brody, Brooklyn Botanic Garden. May 12, 2023.
A guide to forest understory revegetation to help manage buckthorn and other invasive plants. Michael Schuster and others. UMN. 2024.

Featured Video

How Sunfllowers Bring All the Bees to the Yard. PBS Deep Look. 5:00.

News, Articles & Essays

July 2026 Featured Plant: Pennsylvania Sedge. Ben Dvorak for BWSR.
June 2026 Featured Plant: Inland Serviceberry (Amelanchier interior). Rachel Poppe for BWSR.
June Weed of the Month: Stiltgrass. Julia Delick, MDA. June 2 2026.
Rising from the Ashes: An invasive insect, emerald ash borer, threatens widespread tree death in northern Minnesota. What happens next? Ryan Rodgers, MN Conservation Volunteer, May - June 2026.
Petal Pageant. Photo essay by Richard Hamilton Smith. MN Conservation Volunteer, May-June 2026.
Callery pear: The writing is on the wall. WIGL blog contributed by Michelle Beloskur, MIPN. April 28, 2026.
Native Plant Month raises new questions in a changing climate. Angela Gupta, UMN Extension, April 20, 2026.
May 2026 Featured Plant. Bishop's Cap. Larissa Fitzgerald for BWSR.

Research

A multi-index macrophyte-based assessment approach for lakes in the metropolitan region of Minnesota. M.E. Weaver, Raymond M. Newman. Ecological Indicators vol. 182, January 2026. Open access.
Above and Belowground Approaches to Restoration in a Grassland Dominated by Agropyron cristatum. Heather Davis and others. Ecological Restoration 44 (1): 8-22. April 2026.
Occurrence and environmental data for aquatic plants of Minnesota from 1999-2018. Michael R. Verhoeven and others. Scientific Data 13, article 650. 2026. Open access.
Select genotypes of white and green ash show heritable, elevated resistance to emerald ash borer. Mary E.E. Mason and others, US Forest Service Northern Research Station. New Forests, Volume 57, Article 12. January 14, 2026. Downloadable.
The enemy of my enemy: concomitant impacts of goat browsing on native vegetation during invasive plant control. Katherine M. Marchetto and others. Restoration Ecology, 29 January 2026. Open Access.

Webinars, Workshops & Classes

All times are Central Time unless stated otherwise. See also the recorded webinars below.
Forest Pest and Pathogen Short Course. NAISMA, online, 30 days to complete once registered. Certificate given.$100.
Practical Approaches to Managing Amur Honeysuckle. 1:00 - 2:00 pm Wednesday, July 15, 2026.
Planning for the Unknown: Tools for Urban Forest Pest Preparedness. 1:00 - 2:30 pm Wednesday, August 19, 2026.
Invasive species in your woods. UMN in-person workshop, Grand Rapids, MN. 9 am - 12 pm Saturday, August 22, 2026.
Rapid Detection and Intelligent Response: Combining AI and Human Intelligence to Detect Invasive Species. MIPN webinar. 11:30 am Thursday, Sept. 10, 2026. Scroll down at site to register.

Webinar Recordings

Outdoor skills webinar archive. Mn DNR.
My Minnesota Woods. UMN Extension.
Sustainable Forests Education Cooperative, UMN Extension.
Midwest Invasive Plant Network (MIPN) webinar recordings. Scroll down at link.
EAB (Emerald Ash Borer) University. EAB Network. Scroll down at linked site to view recordings.

Programs & Events Calendars

Minnesota State Parks and Trails
Three Rivers Park District
Minnesota Scientific and Natural Areas
Minnesota Native Plant Society

Find Posts About . . .

Climate Change
How Plants Work
Identification Tips
Invasive Plants
Learning
Native Plants
People & Plants
Phenology
Plant Anatomy
Plant Ecology
Plant Pests & Diseases
Plant profiles
Plants in the News
Pollinators

More to Explore

Bug Banter Podcast. Xerces Society.
BWSR Featured Plant Series
Ecological Landscapes of Wisconsin - WI DNR
Fridays with a Forester series, UMN Extension.
Invasive Plants. Friends of Minnetonka (MN) Parks.
Minnesota Invasive Terrestrial Plants and Pests Center
Minnesota Native Plant Encyclopedia - MN DNR
Minnesota Noxious Weed List. MDA.
Minnesota Scientific and Natural Areas
Minnesota's Ecoregions - MN DNR
Minnesota's Native Plant Communities - MN DNR
Native Plant Suppliers & Services in Minnesota
Plant Native Plants to Help Nature - WI DNR
Plants of Minnesota - MN DNR
Prairie Pod: A MNDNR podcast about prairies.
Smarty Plants: "A podcast exploring invasive insects and noxious weeds that threaten Minnesota’s natural and agricultural resources." MN Dept. of Ag.
The Wandering Naturalist - Podcast by Three Rivers Park District
UMN Extension Native Plants Web Page
Weed of the Month Series - Minnesota Dept of Ag

Contact Larkspur

If you have a question or want to suggest a resource, use the contact form below. If you want to be notified when new posts appear, note that in the message section and look for an email from Larkspur once or twice a month. Check your spam folder in case it lands there. Your email address will not be shared with others.

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