Rock garden quarterly

v77 #1
What Got Left on the Cutting-Room Floor

ANYONE WHO HAS ever had to prepare a talk knows the angst of editing pictures. All of the plants in my garden are my favorites. The ones that turn out not to be my favorites go to plant sales or to a neighbor who puts them in heavily watered, super-rich soil and then assumes they were annuals when...

Rocks on the Roof: Gardens Grow Skyward in Denver and Paris

IN 2017, COLORADO’S capital city, Denver, joined a growing list of cities, including San Francisco, New York, Paris, and London, requiring green roofs on all new construction of more than 25,000 square feet (2300 m 2 ). Green roof gardens already exist and have proven themselves. But rock gardens...

The Shade Pavilion Becomes a Greenhouse

SUMMERS IN PORTLAND , Oregon, are the stunning reward for our long, wet, grey, cool, winters. Summer days are sunny and the weather is warm (some would say hot, and after the temperature records set this last summer I would agree). While many think of the Pacific Northwest as rainy all the time...

The Highs and Occasional Lows of Chapter Flower Shows

EACH APRIL THE Delaware Valley Chapter of NARGS kicks off its spring schedule with a flower show. This venerable tradition allows our horticultural wizards to show off their treasures and offers future wizards a chance to dip their toes in the water. Members see familiar plants beautifully grown or...

Reaching New Members

NEARLY EVERY GARDENING organization is facing the same problems: an aging membership and difficulty recruiting new members. That is true for us in NARGS, just as it is for garden clubs and plant societies of all types. For one of my day jobs, I travel around North America and give presentations for...

The Lady in the Woods

IT IS THE twilight of the season. Outside, apricot-brown oak leaves glow in the morning sunlight, while pale yellow discs of cottonwood fall in great swirls, a round of carpet on the frosted lawn. This is my garden, one which germinated within me, naturally, as a wee child; fascinated by the beauty...

A serpentine savanna at New Texas Serpentine Barrens in Lancaster County, Pennsylvania with eastern red cedar (Juniperus virginiana) and little bluestem grass (Schizachyrium scoparium).
Serpentine Barrens in Southeastern Pennsylvania and Northern Maryland

IF YOU ARE interested in unusual natural habitats and are traveling to eastern Pennsylvania in the Mid-Atlantic region of the United States, you should be aware of our small cluster of serpentine barrens. This globally rare soil type results in unusual plant communities. Serpentine is a...

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Latest Plant of the Month

Description:

This dwarf rhododendron is a hybrid between R. ludlowii and R. keiskei 'Yaku Fairy'.  The hybrid was developed by Peter Cox in 1971 and registered in 1984.  This shrub generally has prostrate stems and in time, may reach 30 cm tall and 60 cm wide.  The leaves are olive-green taking on bronzy tones in winter.  The flowers are solitary or in clusters of up to four flowers.  Blossoms are pale yellow with a few fine reddish spots.

Cultivation:

In cooler...

Plant Gallery

Rhododendron 'Wren'
Rhododendron 'Wren'
Rhododendron 'Wren'
Rhododendron 'Wren'
Clematis marmoraria
Clematis marmoraria
Polygala calcarea
Polygala calcarea
Narrow leaf segments of Delphinium qinghaiense; Calgary, AB.
Delphinium qinghaiense
Delphinium qinghaiense; Calgary, AB.
Delphinium qinghaiense
Delphinium beesianum; Calgary, AB.
Delphinium beesianum; Calgary, AB.
Delphinium vestitum; Calgary, AB.
Unusual rounded and hairy leaves of Delphinium vestitum.
Delphinium vestitum; Calgary, AB.
Unusual rounded and hairy leaves of Delphinium vestitum.
Delphinium vestitum
Aconitum sp. ex. DaXue Shan
Pulsatilla patens subsp. flavescens
Pulsatilla patens subsp. flavescens
Pulsatilla patens subsp. flavescens
Pulsatilla patens subsp. flavescens
Pulsatilla patens
Pulsatilla patens
Pulsatilla patens
Pulsatilla patens