Spruce cone colors at peak

by William (Ned) Friedman, Director of the Arnold Arboretum
May 18, 2019

Teachers learn about conifers

by Ana Maria Caballero, Nature Education Specialist
February 7, 2018

Teachers learn about conifers

fir close observation

On Saturday, February 3, Boston area educators gathered in the Hunnewell Building Lecture Hall for this month’s Arboretum for Educators event highlighting conifer adaptations. Hands-on exploratory activities and a short walk near the Hunnewell Building allowed teachers to discover ways to identify four members of the Pinaceae, or pine family: fir (Abies spp.), spruce (Picea […]

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Colorful Conifer Cones

by William (Ned) Friedman, Director of the Arnold Arboretum
May 14, 2016

Colorful Conifer Cones

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Six weeks ago, larches (Larix) were in full glory with their brilliantly colored young seed cones, just emerged from winter buds. Now, spruces and firs are on display. At left, a rainbow of colors on a young seed cone of the ‘acrocana’ form of Norway spruce (Picea abies; 475-36*B; map here). This wonderful droopy tree (in […]

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How long does it take for a pine cone to go from green to brown?

by William (Ned) Friedman, Director of the Arnold Arboretum
September 18, 2015