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Delaware Experts Share Advice on Creating a Sustainable Home
The article discusses various aspects of creating a sustainable home, drawing insights from Delaware experts in architecture and horticulture. It emphasizes the growing importance of sustainability in residential design and everyday living. Scott Sampson, a LEED-accredited registered architect and principal of Spring Studio Architecture, highlights key elements of sustainable home design. He focuses on maximizing natural light, utilizing super-insulated building envelopes, and incorporating passive solar techniques. Passive solar involves designing a home to absorb winter sunlight for heating and block summer sunlight to reduce cooling needs. Sampson also advocates for integrating plants indoors to improve air quality and minimize indoor air pollution. He notes that while sustainable choices can sometimes impact budgets, especially with rising inflation, there is a dedicated clientele committed to eco-friendliness.
For home renovations, Sampson points out the challenges and opportunities. The primary focus for existing homes is improving insulation and air sealing to control air infiltration. This includes maximizing insulation and strategically managing window placements and overhangs to leverage solar angles for heating in winter and shading in summer. In new builds, orientation is a critical factor, with south-facing homes being ideal for maximizing solar gain. This approach allows a house to largely self-heat during cooler months by utilizing southern-facing glass, while architectural features like overhangs and sunscreens prevent overheating in warmer months.
Sampson also discusses sustainable materials, defining them as those that do not release formaldehyde or volatile organic compounds (VOCs). He stresses the importance of using locally sourced materials, particularly wood from well-managed forests, and choosing durable options that do not require frequent replacement. The article then shifts to sustainable gardening practices, building on a previous discussion about native gardens. Marcia Stephenson, director of advancement for the Delaware Center for Horticulture (DCH), shares her experience with growing fruits and vegetables in her suburban backyard. She has successfully cultivated figs and Asian pears, donating excess produce to community centers.
Stephenson observes a rising interest in kitchen gardens, particularly spurred by the pandemic. She highlights the educational benefits for children, who learn about food origins by planting seeds and watching them grow. Her fig tree thrives on the warm, sunny southern side of her home, benefiting from radiant heat, while her Asian pear tree benefits from cross-pollination. She also grows various vegetables like lettuce, tomatoes, carrots, beets, cucumbers, Asian turnips, radishes, herbs, and bok choy. Raised beds are recommended for easier weeding and protection from pests like bunnies.
Nora Melley, who manages education programs at DCH, discusses options for small spaces, such as dwarf fig trees and cascading blueberries suitable for containers and hanging baskets. She mentions challenges like birds eating blueberries and advises home gardeners to amend soil with sulfur for optimal blueberry growth, as Delaware's average soil pH is 6.5, while blueberries prefer a pH of 4.5. Patience is emphasized for fruit-bearing trees and shrubs, with soil amendment taking months and significant harvests from trees taking several years. Melley encourages starting small, suggesting simple methods like regrowing scallions from root ends in a window box, to avoid feeling overwhelmed and gradually expand sustainable gardening efforts.
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