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Trowel and Soil

KNOWLEDGE CENTER

To make knowledge productive, we will have to learn to see both forest and tree. We will have to learn to connect. - P. Drucker

Internal Publications

How to Plant Trees: An Infographic Guide

By Howard EcoWorks | 2025

Care Instructions and Maintenance for Trees

Updated in 2024

Basic Tree Care & Maintenance Webinar

By Andres Ovalle, conservation & restoration director | 2024

Howard EcoWorks Carbon Footprint Report

By Abel Beyene & Colin Hartnett | 2022

From Sapling to Survivor: Expert Tips for Growing Healthy Trees Webinar

By Zsuzsanna Cooke, Natural Resource Specialist | 2024

How to Make Beaver Dam Analogs

By Jazlyn Benitez, sustainability intern | 2024

Non Structural Flood Proofing

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CLIMATE RESILIENCY
PLANNING FOR
HOWARD COUNTY
COMMUNITIES &
ECOSYSTEMS

By Kip Mumaw, PE | 2024

EcoSystem Service Restoration Handbook

By Lori Lilly, Founder & Director of HEW, & Jazlyn Benitez, sustainability intern | 2024

Care Instructions and Maintenance for Bay-scape Gardens

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BIOCHAR

Two Case Studies on Biochar Application in Urban Soils

John Mosel, Leslie Webb, Sraboni Chowdhury, Derya Akpinar, & Paul Imhoffa from Department of Civil, Construction & Environmental Engineering, University of Delaware. And Lori Lilly from Howard EcoWorks | 2025

Biochar Explained: What It Is, How It's Made, and Why It Matters

by Howard EcoWorks | 2025

How to Make Biochar

By Jazlyn Benitez, Sustainability Intern at Howard EcoWorks | 2024

Field and Laboratory Testing of Biochar Amendments for
Howard EcoWorks

Leslie Webb, John Mosel, and
Paul T. Imhoff
Department of Civil and Environmental Engineering
University of Delaware
2024

Biochar and Carbon Accounting Presentation

By Lori Lilly,
Founder & Director of HEW
2023

Biochar and Climate Resilience Landscapes

by Lori Lilly
Alliance for the Chesapeake Bay Watershed Forum | 2023

Biochar Amendment for Enhanced Infiltration and Aggregation of Compact Urban Soils

by Chowdhury, Sraboni
University of Delaware
2021

Biochar Kiln

Make biochar, a valuable soil amendment, from wood waste, such as branches and vines, on your very own yard. Perfect for ¼ - 1 acre lots. These kiln are produced locally by Bill Knapp, Ellicott City. Check out our video for how to make biochar with the video below. You can pre-order a kiln today!

The cost is $430. The pre-order sale is a 50% deposit of $215, which will be followed up with an additional $215 invoice.

Biochar Kiln

Biochar Kiln

External Publications

MARYLAND NATIVE PLANT GUIDE
PIEDMONT REGION

University of Maryland Extension | 2025

Bee City Native Plant Supplier List

by Howard County Bee City

2022

Homeowner Guide For a More Bay-Friendly Property

by the Chesapeake Stormwater Network | 2014

Rain Garden Installation Guide

By Montgomery County

Howard County Local Gardening - Events, Organizations & Opportunities

Created by local author Jessie Newburn | 2025

UMD Extension | MD Urban Tree Suitability List for planters

University of Maryland Extension | 2024

Watershed Stewards Academy Rainscaping Manual

by the Watershed Stewards Academy

Baltimore Tree Habitat Suitability | NIACS Climate Change Response Framwork

by NIACS | 2024

Chesapeake River Wise Communities

Stormwater & Reducing Impact Manual

Watershed Stewards Academy Additional Resource Manuals

Access manuals for conservation landscaping, rain gardens, and more.

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