Archive for October 2014

Declaring War on Mulch Mounding of Trees

Mike McGrath, radio personality of You Bet Your Garden, has declared war on the practice of mulch mounding of trees! To support his plea to cease and desist this practice, he has interviewed several tree experts including our own curator, Andrew Bunting.

The beautiful root flare of a newly planted Quercus rubra. photo credit: R. Robert

Mulch mounding can be so devastating to trees that the Scott Arboretum only applies mulch on the ground around the tree. When we plant, we even pull back the ground to expose the dramatic root flare.

Gypsy moth have infested this Betula nigra

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Plants of the Week: October 13

Clematis ‘Lech Walesa’ is a Polish cultivar with pale blue-purple flower. Tepals are darker at the margins, while the interior is almost white. Wavy edges and recurving tips give the flower a frilly appearance. ‘Lech Walesa’ blooms abundantly and over a long period, starting in June and continuing through October. Photo credit: J.Coceano

Garden location: Dean Bond Rose Garden.


Fruits of the harlequin glorybower, Clerodendrum trichotomum, are beginning to open. Native to Japan and China, this species of Clerodendrum is often encountered as a multi-stemmed shrub or small tree reaching 10-20’ in height. Tubular, fragrant, white flowers give way …

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Tulipa ‘Menton’

Fall is for bulb planting and all gardeners plant with visions of spring wonder in their head. This fall I am envisioning the delights of tulips all spring with Tulipa ‘Menton’ serving as the grand finale.

Tulipa 'Menton' planted with Muscari armeniacum. photo courtesy of Brent and Becky Bulbs

Tulipa ‘Menton’ is a Division 5 (single late) tulip. The oval flowers are perched on straight stems rising 24 to 28 inches. Blooming later than many tulips, ‘Menton’ has petals with a suffusion of pink, violet, salmon, and rose. In a typical season it should bloom in late April to early …

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