View More

top 10 ISA_Jeramey Jannene

Top 10 Takeaways: International Society of Arboriculture Conference

Last month we shared a “To 10 Takeaways” blog post about the Soil in the City conference earlier this summer. Today we’re sharing the Top 10s of another conference – the International Society of Arboriculture, held in Milwaukee, WI from August 2nd to August 6th – again compiled by L. Peter MacDonagh, FASLA. This list is a... More
UNC Bell Tower Trees

New Guideline Specifications for Nursery Tree Quality from the Urban Tree Foundation

Specifications and details are required elements of the design and construction process – they’re what ensure the proper components get built in the right place and to the right standards. Yet for trees, all too often the details and specifications don’t actually depict conditions that are optimal for growth. ANSI A300 established standard tree planting... More
What's the difference between urban soil and forest soil_Soil Science @ NC State

What’s the Difference Between Urban Soil and Forest Soil?

You don’t need much experience in arboriculture or landscape design to notice that planting trees in cities is very different from planting trees in forest environments. There are many reasons for this, but perhaps the biggest is the difference in composition of the soil. What do we mean when we say that urban soils are... More

Bioretention Tree Lawn is Free of Settlement
Silva Cell case study

Mosquito Creek Watershed in North Vancouver is a unique natural retreat nestled within a large urban footprint. The area is a popular retreat for hiking, mountain biking, and walking, and leads directly to the Trans Canada Trail, the longest hiking trail in the country. Due to its proximity to the City of North Vancouver, however,... More
i-Tree_Eli Sagor

i-Tree: Analyze Structure, Function, and Value of Community Forests

I meet many people in the landscape architecture community who have heard of i-Tree… but don’t really know what it does. Basically, i-Tree is a suite of tools designed to quantify the structure of a community forest as well as the environmental services provided by that forest. It can be used at a wide range... More
How Do We Do Quality Control and Production_Eduardo

How Do We Do Quality Control and Production?

Production/manufacturing nerds, this one’s for you! We regularly get questions about how and where we manufacturer Silva Cells to meet target performance requirements. I asked our Director of Operations, Rebecca Stevens, to discuss the various steps involved in our quality control process. -LM By the time a Silva Cell order is received by a customer, it is simply a necessary... More
Trees in Standing Water

Trees That Can Tolerate Standing Water

My window looks out on 9 Mile Creek, a rural looking creek in an urban/suburban environment in Minneapolis/St. Paul, Minnesota. In the six years our company has been here, this is the closest I’ve seen water come to the parking lot. For a number of weeks this spring and summer, the large ash trees on... More
What is compost_normanack

What Is Compost?

Question: What is “compost,” exactly? I’ve heard the term my entire life, but I’ve never really understood what it means. Answer: Most gardeners and farmers know compost to be a rich, organic soil amendment, which can be used to improve soil tilth and supply plant nutrients. The term compost is also a verb for a rapid... More
Up By Roots_Wisconsin Department of Natural Resources

Up By Roots Workshop Coming to Seattle

Pacific Northwest readers, take note. James Urban, FASLA and four other presenters will be leading an Up by Roots workshop at the Center for Urban Horticulture in Seattle on October 15th. This one-day workshop will highlight the principles of soil science and their use in facilitating the growth of healthy trees and developing water efficient landscapes. Healthy... More
Top 10 Soil in the City_Anh Dinh

Top 10 Takeaways: Soil in the City Conference

Today I’m happy to introduce a new, hopefully recurring blog feature: top 10 takeaways. The top 10 takeaway lists will be compiled by L. Peter MacDonagh, FASLA, on the key elements to know about based on events of note in the design, planning, and arboricultural communities. Expect the lists to be short, pithy, and helpful... More