The Anderson Rhododendrons in Laurelwood
Laurelwood Arboretum is the home of 20 rhododendrons hybridized by Allan and Shirley Anderson, a retired chemist and science teacher respectively, who gardened and raised rhododendrons at their home in
‘County of York’ Rhododendron in Laurelwood Arboretum
Our rhododendron propagation team has successfully rooted several stem cuttings taken from R. ‘County of York’ in the arboretum last September. The stem cuttings were placed in a rooting box,
‘Cornell Pink’ Rhododendron at Laurelwood Arboretum
One of the earliest blooming rhododendrons in Laurelwood Arboretum is ‘Cornell Pink’ which is known as a truly pink form of R. mucronulatum. The species R. mucronulatum has flowers that
‘Babylon’ Rhododendron in Laurelwood
The name Rhododendron comes from the Greek words “rodon” which means “rose” and “dendron” which means “tree”, hence Rose Tree. There may be no better example of a “Rhododendron Tree”
How Rhododendrons Protect Themselves in Cold Weather
Have you ever wondered why the leaves of your rhododendrons curl up in very cold weather? You may observe that the leaves on your plants are drooping down and curling
Laurelwood’s ‘Blue Peter’ Rhododendron
Known for its clusters of violet trumpet-shaped flowers, R. ‘Blue Peter’ is one of the classic American “Iron Clads” meaning it is cold hardy. It has been used in the
Rhododendron Legacy at Laurelwood Arboretum
Joseph Di Giacomo, Master Gardener and chairperson of the Friends of Laurelwood Arboretum Rhododendron Study Team, will share information about the legacy of John and Dorothy Knippenberg and the development
‘Cynthia’ Rhododendron Blooming in July
Newly planted R. ‘Cynthia’ on Ridge Road in the arboretum was blooming in July although its recorded blooming period is Midseason from approximately the first week to the second week
Peak Rhododendron Bloom Time at Laurelwood Arboretum
Ever wonder the best time to see the most rhododendrons in bloom in Laurelwood Arboretum? The answer is: Now. The rhododendron collection in Laurelwood Arboretum includes more than 400 named
The Rhododendron Tree
The name Rhododendron comes from the Greek words “rodon” which means “rose” and “dendron” which means “tree”, hence Rose Tree.
New Propagation Greenhouse at Laurelwood
The Laurelwood Arboretum Board of Directors has named its newly completed propagation greenhouse the “Dorothy Knippenberg Propagation Greenhouse” in recognition of Dorothy’s lifetime dedication to the hybridization of rhododendrons, azaleas, and other plants.
The ‘Paul Vossberg’ Rhododendron Story
The ‘Paul Vossberg’ rhododendron may be arguably one the oldest rhododendrons in Laurelwood Arboretum.