Urban stormwater is a major contributor to surface water degradation in the United States, prompting cities to invest in green infrastructure - methods that naturally capture, store, and slowly release runoff, such as urban trees.

Participants will learn how the practices that promote healthy soils can also lead to positive outcomes for water quality, water security and other environmental benefits, with a focus on the California context.

This project offers a blueprint for the ideal level of maintenance needed to keep this area of the garden aesthetically pleasing and well -kept into the future.

ManagementEmerald ash borer (Agrilus planipennis) was first discovered in southeastern Michigan in 2002.

Orchid viruses are capable of causing flower deformities and death, which can severely
impact the horticultural industry and wild orchid conservation. Here we show

Grain legumes provide a rich resource of plant nutrition to human diets and are vital for food security and sustainable cropping.

The primary goal of a Collection Development Plan is to guide the growth of a plant collection in meaningful, strategic, and measurable directions.

This document is a concise resource considering the background, current status, and future development goals of the Forsythia Collection at the Arnold Arboretum.

The Peirce Collection encompasses the original 202 acres owned by Joshua and Samuel Peirce. As more research is completed, trees believed to be of the time period 1798-1880, will be added to the collection.