What's happening with the Runoff?

My client asked me to check in on the data we are collecting at the Penfield Apartments in St. Paul, MN.  She was curious how the green roof was retaining storm water this year, compared to last year.
Hey, Minnesotans, remember when we had all the flooding last spring and early summer with record high rain falls? News reports highlighted that much of the problem came from runoff from impervious surfaces (roofs, parking lots, roads)- and nature had reached its carrying capacity.  I blogged about this dramatic event last year.

Take a look at how a vegetated roof can perform to alleviate the damage from stormwater runoff from impervious areas!  You can see that in a normal year (2015) green roofs designed with either 8" or 16" soil can retain almost, or all of, the rain.  However, even the extremes of 2014 spring, green roofs had already reached their saturated capacity and were only able to capture about half of the storm water.  The systems did detain the rain for several hours before runoff, however.

To get more information on this project, please visit AD Greenroof's project page .  To dive into this public data further and do you own comparisons, you can get direct access here!

You can always reach me direct: angie@adgreenroof.com

Rolling Hills

Today's blog focuses on a new installation just planted in Eden Prairie, MN.  AD Greenroof was hired to design-build the nearly 2,000 sf semi-intensive with Aulik & Assoc. Last fall, our alternate proposal came in under budget (how often can you say that in our industry?! Haha).  So, we designed some berms and permanent irrigation to make this a really robust and diverse roof. The subtle berms mimic the surrounding landscape and are planted with native forbs and naturalized spring bulbs. We partnered with an installer, Refuge Landscape, and purchased materials from Hanging Gardens.

Beautiful Course!

The client is Olympic Hills Golf Course.  They are undergoing a major renovation around their property incorporating native plantings. The addition where we installed the green roof is visible from the restaurant and patio; and will be a common backdrop during weddings. During the installation, we had many curious and excited onlookers- during rain and shine. One member commented, "Every day is like Christmas out here!"

Below are a few site photos for your viewing pleasure :)  Please contact me if you have any questions about this project or green roofs in general!  This project is also posted on our webpage!

Nice blend of succulents

Craning soil

Graded growing media

Conventional drip and pre-grown succulents

Just installed, view from the landing by the patio

Berms planted with natives in the background

What is a Virtual Summit?

Marketing departments often weigh the pros and cons of participating in trade shows.  Shows take planning (which ones are the best to reach target markets), cost money to develop a good booth, staff time, and usually travel costs.  In addition to planning, working the show, and attending, there is the follow up after.  And, what is the return on investment? How can you measure if the new relationships will lead to business? What about existing clients and getting face time with them at the show?

As we rely more on the digital world for business, trade shows face increased scrutiny from business leaders in measuring their effectiveness.  Linda Velazquez is the creative and business arm behind Greenroofs.com, our industry supported website. I was introduced to her early in my career, when I was still in MSU's grad school program, at my first green roof trade show and conference.  Several years ago she and her team launched a Virtual Summit- a low cost and travel-free alternative to attending a trade show.

This year, she asked me to prepare a presentation of my choosing, record it, and make some videos to introduce and close the presentation.  During the summit, you can watch numerous other presenters, chat with sponsors, and enter the virtual trade show to learn more about the companies.  Cool, huh? I loved the experience of preparing the presentation, learning how to record it, and using my phone and computer to video a trailer.

My presentation is called Pollinators on Parapets.  Here’s the YouTube trailer preview. To register for the 2015 Greenroofs.com Virtual Summit, just click the hyperlink. And to follow up from the summit, Linda wrote an excellent summary of the presentation in her Sky Gardens blog!

Make it Quick!

Geum in bloom

Like many people in my industry, I love this time of year.  The roofs are waking up, we get back out to the field to explore the new growth, and evaluate any problems that might have occurred over winter. Last week I was fortunate enough to get out to five local roofs to clean up organic matter, collect soil samples, and take a few snapshots of some early blooms.

This is also an ideal installation time for green roofs! AD Greenroof is working on a small installation this week in Eden Prairie, MN. Over winter we contracted by a design-build firm in town to design a green roof - this one includes irrigation, berms, Sedum and natives. I anticipate lots of pollinators will be visiting this site, too!

Native strawberries on Target Center

Last month we were part of a 5,000 sf agricultural roof installation in Chicago. It's a wonderful project with high visibility. I look forward to hearing more about the crops they grow, what is successful and how they will use it in the restaurant they are building below.

I'm keeping this post short because it is too nice today to be stuck to a computer!

Raise it up for Agriculture!

Are you thinking about a garden plan this year? We started sowing some seeds in my basement last weekend for the at grade community garden, and am completely excited about the upcoming season!

I am also excited about the increased interest in edible rooftop gardening in the Midwest.  It takes a special client's vision and the right structural loads, but the concepts of growing herbs, vegetables, and some fruits on our rooftops has become more than a dream for some!

High altitude farming offers many options to meet short and long term goals for my clients.  As we work together to complete feasibility studies, our conversations focus on the roof program. I have a client who wants to grow hops on the roof. This will provide her with a trellis structure and shade for the employees and visitors. She has talked about marketing a beer tasting that will incorporate the mature hops as part of the learning experience for the guests.  AD Greenroof has another client with somewhat limited with structural loads, so we will be planning container gardening in the areas we can have more weight, and simplify other permanent vegetated roof systems in limited dead load areas. Both clients are working to resolve the accessibility to their roofs, and can break the budget on some buildings, but it is important to get safe access for the employees and visitors.

These two examples are just the start of the larger discussions we are starting to have about the management of high altitude agriculture. Use of organic practices, cover crops, honeybees, selecting plants for products, and creating a harvesting area are just the start of some considerations as we finalize the budget. Stay tuned to see if and where these project go and grow!

Use of passive irrigation and straw bales to grow herbs and veggies

Vertical gardening?

Check out our updated website at adgreenroof.com to learn more about our services and cool projects!

A Garden Grows in January

Students periodically ask me about my job or how green roofs work. Below is an excerpt Q&A from a high school student inquiring about starting gardening club at school that I thought I'd share.

1) Why do you think that gardening is important to society?

There are many ways to describe gardening and what it means for different people. For some, they do it as a form of exercise and to be social, others enjoy the beautification of the containers and plans they put together and maintain. I take a very practical approach in that I want to grow plants for purpose- food for us, a habitat source for pollinators, and a way to mitigate the built environment.  Giving up turf grass and replacing it with plants that produce food, flavors, scents, color, and texture is very exciting and serves as a way to be self reliant.

2) What do you think the best part of a garden is?

I think the harvest is great, and educating others on the harvest is equally important. Knowing when something is ripe and how to eat it, or what the flowers are best to pick for a lasting bouquet, and how to share them with others is incredibly rewarding!

3) Is there anything else you would like to say?

Understanding where your food comes from is very important to society.  You may not personally enjoy a garden or farm, but you certainly rely on it for your meals.  Knowing what land management decisions are made by your neighbor does affect you, so knowing the basics of growing food in our ecosystem is vitally important regardless of your age. In 2001, I was interviewed by a student wondering about genetically modified foods.  My statement was the same- understand where your food comes from.  She laughed at me at the time, but has grown up to make educated choices on where to buy foods.  In our communities, we should be able to talk to the growers at farmers markets, buy food from the farms that share how they manage their crops, and choose to eat at restaurants that source local (or grow on their roofs!).

Food Roof

Gardening is fun, and you might meet some new people along the way who enjoy the same!

Winterized, but not slowing down

Today I write while listening to some rockin' holiday tunes (ha, don't judge) overlooking my green roof, dormant and buried under fresh snow. I am drinking hot tea, sweetened by some honey, produced by amazing bees whose home sits amongst a native prairie. In the midst of the winter season, we are surrounded by hints of the year's harvest. 

Milkweed

But this year's harvest was also cultivated by strengthening relationships which I observed at the annual green roof conference in November.  Most of my professional years have been in the industry, and I was once again reminded of all the colleagues I've met over the years- working on projects, building teams, sharing success stories. We work in a dynamic field which is in its infancy in comparison to some, and the variety of our professions still brings us to promote green roofs as a solution for whatever challenge a site might have. My connections are with manufacturers, growers, designers, engineers, researchers and marketers, which all bring their perspectives.
 

New prairie growing over 2 acres of building

AD Greenroof was brought on to some fantastic projects this growing season! One owner used her green roof to hide the building in the landscape.  Another wanted the roof to be designed as an amenity so they could increase occupancy rates faster than the other downtown buildings. A homeowner wanted his existing vegetated roof to have more diversity, friendly to the butterflies.  A facility manager recognized the value of ongoing, responsible management of their roof, and set aside the proper funds to pay for such services.  More designs are also in place to manage most of the storm water on site.

This is networking season, setting up time to build on partnerships, and evaluate opportunities. I look forward to sharing time with you!