Green Roof Experiential Learning – Spring 2015 Blog 1 by Ivan Mendoza

Howdy. My name is Ivan Mendoza. I’m an undergraduate senior in Horticulture. I am taking this greenroof experimental course so that I can see which plant species thrive in this area of Texas on green roofs. As a perspective landscape architecture student, I’m hoping I can use the knowledge I gain from this course and hopefully apply it to future landscape and commercial designs. When we started this spring semester, we had edibles in place on modules which were planted last spring.  We also have 3 living walls in place. The first living wall has succulents and sedges in place, the second has strawberries, mints with some other perennials, and the third has a mixture of perennials. The first day we recorded inventory of the number of edibles for each species that was still alive on each module. The majority of the edibles that were planted last spring did fairly well, except for Basil (Bell Pepper), Chinese cabbage (Rubicon), Radish (Easter Egg), Turnips (Hakurei) and a couple of varieties of other species. The growth size of the edibles that did well varied across the modules due to external factors (light, water, wind, etc.)  Following, we harvested the edibles to have them regrow new foliage and recorded the data.

Ivan photo 1

Ivan photo 2

 

We have also cut any flowers that have been growing on the edibles so that they focus their energy more on growing. Slow release fertilizer has also been applied on these edibles which has helped them grow as well. We have been focusing on which edibles we are going to plant later this spring as well as the perennials we need to replace on the living walls (especially living wall 3). We notice that rosemarinus officinalis, ficus pumila, and artemesia “powis castle” are some the species regenerating growth on living wall 3. We have been trying to figure out why the other perennials on living wall 3 have not done so well. We do not have any information collected to try and narrow down the problem. We will come up with a list of edibles and perennials to plant on the modules on the roof and on the living walls.  This class has been very interesting so far and I am excited to see what our proposed plant species do in the future.

Living Wall 3

Ivan photo 3

 

Living Wall 2

Ivan photo 4 _ living wall 1

 

Living Wall 1

Ivan photo 5

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