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Art and Agriculture Unite at Temple University
A unique blend of art and agriculture is taking root at Temple University in Philadelphia, thanks to contemporary artist Sam Van Aken. His project, the “Tree of 40 Fruit,” features a single tree that is meticulously grafted to produce an array of 40 different types of stone fruits, including apricots, cherries, peaches, and plums. Over the next two years, students will engage in learning about the confluence of horticulture and artistic expression, with plans for an additional “Tree of 40 Fruit” planted at Temple’s Ambler Arboretum. This initiative will also explore the historical and cultural significance of fruit varieties, both indigenous and those introduced to the Philadelphia region.
In a recent lecture, Van Aken discussed the intricate history of grafting, a technique that he notes may date back to as early as 1800 BCE. Grafting allows horticulturists to combine the flowering or fruiting capabilities of one plant with the robust roots of another, serving two key purposes: many fruit tree seeds do not produce offspring true to the parent tree, and cuttings from certain trees can be difficult to root. This complex process requires precision and skill, making it a valuable practice in fruit cultivation.
“What fascinates me is that these heirloom fruits transcend mere agricultural products,” Van Aken remarked during his lecture. “They embody cultural narratives and reflect the histories of civilizations across the globe.”
[ Related: Ecologists have declared war on this popular decorative tree. ]
Students participating in the lecture also attempted grafting their own pit fruit trees, providing a hands-on experience that emphasizes the delicate artistry involved in creating new life through this method.
“Having an artist who works with trees on campus is a thrilling opportunity,” stated Sasha Eisenman, an associate professor of horticulture and chair of the Architecture and Environmental Design Department. “Exploring intersections of art, science, and nature is critical for our students as they shape their careers and align their interests with their professional lives. Horticulture opens doors to enhance both environmental health and human well-being.”
In addition, Van Aken conducted a workshop on producing botanical cyanotypes. This artistic technique employs a light-sensitive solution to capture the outlines of plants, utilizing natural sunlight for exposure on various surfaces, allowing students to merge artistic creativity with organic materials.
A botanical cyanotype. CREDIT: Photography by Ryan S. Brandenberg/Temple University.
“I’ve been practicing cyanotype in class, but witnessing someone as skilled as Sam was remarkable,” reflected Jami Deluca, a junior photography student. “He approaches his work like a detective—uncovering the histories of rare plants and committing them to record. While the cyanotypes may appear straightforward, they are backed by extensive scientific knowledge, from sourcing materials to understanding the chemical reactions involved. It’s a refreshing perspective on art.”
Regarding the creation timeline for the “Tree of 40 Fruit,” Van Aken indicated that it typically takes about one year to assess the success of the graft, followed by an additional two to three years to observe fruit production.
“Producing just one of these trees can take up to eight years,” Van Aken noted in a July interview. “Each fruit variety grafted to the ‘Tree of 40 Fruit’ exhibits its own unique shape and coloration.”
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