Gail Langellotto

Professor , Department of Horticulture

Content by Gail Langellotto

Hydro hints: Ebb and flow

Ebb and flow, also known as flood and drain, is a hydroponic system where plants are grown in trays that periodically flood with nutrient-rich water and then drain back into a reservoir.

Mykl Nelson II, Gail Langellotto, Lloyd Nackley | May 2025 | OSU Extension Catalog Peer reviewed (Orange level)

Hydro hints: Nutrient film technique

Nutrient film technique is a hydroponic method that uses a thin, continuous film of nutrient-rich solution to nourish plants.

Mykl Nelson II, Gail Langellotto, Lloyd Nackley | May 2025 | OSU Extension Catalog Peer reviewed (Orange level)

Hydro hints: Buckets

The buckets system of hydroponics uses individual buckets filled with a nutrient-rich solution to support plant growth.

Mykl Nelson II, Gail Langellotto, Lloyd Nackley | May 2025 | OSU Extension Catalog Peer reviewed (Orange level)

Hydro hints: Deep water culture

Deep water culture is an effective hydroponic system where plant roots grow submerged in a nutrient-rich water solution.

Mykl Nelson, Gail Langellotto, Lloyd Nackley | May 2025 | OSU Extension Catalog Peer reviewed (Orange level)

Hydro hints: What is hydroponics?

Learn about how hydroponics evolved and discover the practice's growing role in modern agriculture.

Mykl Nelson, Gail Langellotto, Lloyd Nackley | May 2025 | OSU Extension Catalog Peer reviewed (Orange level)

Twelve plants to entice pollinators to your garden

Consider adding some flower power to your landscape to bring in the buzz of pollinators to your garden.

Kym Pokorny | May 3, 2024 | News story

Twenty-five plants for attracting native bees to the garden

About 500 -- perhaps more -- native bees make Oregon their home. Gardens are important habitat for these important pollinators.

Kym Pokorny | Jun 18, 2023 | News story

OSU Extension’s ‘Growing Your Own’ gardening book now available in Spanish

The new version of Growing Your Own continues Extension’s commitment to expanding language access and accessibility,

Kym Pokorny | Mar 3, 2023 | News story

EEAC Keynote: Gentle Pressure Relentlessly Applied for Diversity in Oregon's Master Gardener Program

Dr. Gail Langellotto shares her journey from entomologist to Extension Master Gardener Program coordinator in Oregon, discussing her commitment to making the program accessible to all gardeners through focusing on meaningful actions ...

Gail Langellotto | Jan 2023 | Video

Emerald Ash Borer - A New Invasive Pest

A 10-Minute University guest presentation by Dr. Gail Langellotto, Professor of Horticulture at Oregon State University about Emerald Ash Borer.

Gail Langellotto | Oct 2022 | Video Peer reviewed (Gray level)

OSU study of native plants and pollinators presented at the largest nursery industry show in the West

Four Extension faculty and one research assistant gave presentations at the Farwest Show, which annually draws an estimated 5,000 attendees to the Oregon Convention Center and nursery tours.

Kym Pokorny | Sep 2, 2022 | News story

Northern Giant Hornet: A Potential Threat to Honeybee Colonies in Oregon

The northern giant hornet was detected in British Columbia and Washington in 2019. This publication outlines the identification, life cycle, and predatory habits of the northern giant hornet (Vespa mandarinia) for ...

Ellen Topitzhofer, Chris Hedstrom, Priyadarshini Chakrabarti Basu, Andony Melathopoulos, Silvia I. Rondon, Gail Langellotto, Ramesh Sagili | Sep 2022 | OSU Extension Catalog Peer reviewed (Orange level)

Native Plant Picks for Bees

Pollinator gardeners grow more than flowers. Increasing numbers of gardeners are supporting struggling insect populations by growing plants attractive to bees. One of the best ways to attract bees native to your ...

Aaron Anderson, LeAnn Locher, Jen Hayes, Mallory Mead, Signe Danler, Diane Jones, Gail Langellotto | Jun 2023 | OSU Extension Catalog Peer reviewed (Orange level)

Growing Your Own

This intro to gardening in Oregon covers all the bases: site selection, soil improvement, raised beds, planting, watering, pests, plant diseases and weeds. Regional tips cover every area of Oregon. Now available in English and Spanish in one publication!

Gail Langellotto | Jun 2023 | OSU Extension Catalog Peer reviewed (Orange level)

How to help bees survive a heat wave

Extreme summer heat can pose a danger to bees. Although bees have ways to keep cool, many gardeners put out shallow trays of water and pebbles to help them. Does that help? Here's what the science says.

Andony Melathopoulos, Gail Langellotto | Jul 2021 | OSU Extension Catalog Peer reviewed (Gray level)

Japanese Beetles in Oregon

Japanese beetle is a destructive insect moving its way west across the U.S. — including to sites in Oregon. Take part in early detection to prevent its spread. Learn to identify and scout for Japanese ...

Heather Stoven, Jessica Rendon, Gail Langellotto, Silvia I. Rondon | Jun 2021 | OSU Extension Catalog Peer reviewed (Orange level)

Stopping the spread of jumping worms calls for vigilance

The jumping worm, an invasive species new to Oregon, harms the soil by reducing it to granules, making it more porous and less able to retain water. Here's how to identify jumping worms and help stop their spread.

Gail Langellotto, Samuel Chan, LeAnn Locher | May 2021 | OSU Extension Catalog Peer reviewed (Gray level)

Should I wait to clean up the garden in order to help conserve insects?

Addressing a current popular meme in social media encouraging waiting to clean up your garden until temperatures reach 50º F or higher, in order to help conserve insects. We address the claim that if you clean your garden ...

Gail Langellotto | Mar 2025 | OSU Extension Catalog Peer reviewed (Gray level)

Enhancing Urban and Suburban Landscapes to Protect Pollinators

The way we garden can help promote the health of bees and other insects. This guide offers detailed plant lists, garden designs and advice on creating pollinator habitat.

Andony Melathopoulos, Neil Bell, Signe Danler, Amy Jo Detweiler, Iris Kormann, Gail Langellotto, Nicole Sanchez, Heather Stoven, Dave Smitley | Dec 2024 | OSU Extension Catalog Peer reviewed (Orange level)

Enrollment skyrockets for OSU Master Gardener vegetable course

More than 17,600 people – at a growing clip of about 1,000 more each day – are signing up for a vegetable gardening course offered by the Oregon State University Extension Service, as people nationally abide by stay-at-home pandemic orders.

Chris Branam | Apr 1, 2020 | News story

Pollinators Presentation

The Importance of Gardens to Pollinators, Get to Know Your Pollinators, Plants for Pollinators Pesticides and Pollinators

Gail Langellotto | Jan 2019 | Online resource

Ecological design of urban landscapes: Economic, social and ecological benefits

An ecological approach to landscape design incorporates natural systems as an integral part of urban landscapes. Learn how to bring ecology and design together to form a sustainable urban landscape.

Signe Danler, Gail Langellotto | Oct 2024 | OSU Extension Catalog Peer reviewed (Orange level)

An educator's guide to vegetable gardening

This primer on vegetable gardening outlines a full-circle approach to educational gardening, provides a basic introduction to outdoor vegetable gardening and recommends plants and a garden calendar.

Weston Miller, Beret Halverson, Gail Langellotto | Oct 2024 | OSU Extension Catalog Peer reviewed (Orange level)

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