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Products > Acanthus mollis 'Green Rounder'
 
Acanthus mollis 'Green Rounder' - Green Rounder Bear's Breeches
   
Image of Acanthus mollis 'Green Rounder'
[2nd Image]
Habit and Cultural Information
Category: Perennial
Family: Acanthaceae (Acanthus¹)
Origin: Portugal (Europe)
Evergreen: Yes
Flower Color: Pinkish White
Bloomtime: Spring/Summer
Height: 2-3 feet
Width: 2-3 feet
Exposure: Cool Sun/Light Shade
Summer Dry: Yes
Deer Tolerant: Yes
Irrigation (H2O Info): Medium Water Needs
Winter Hardiness: 0-10° F
Acanthus mollis 'Green Rounder' (Rounded Leaf Bear's Breeches) - A robust rhizomatous semi-evergreen perennial to 3 feet tall and 3 feet wide, with large dark green lobed broad leaves with rounded leaf tips – this plant is more compact and has wider and more rounded leaves than typical Acanthus mollis. Vertical flower spikes, appearing in spring through early summer, are 4-6 feet tall, with flattened hooded white to light pink flowers subtended by spiny green and purple bracts.

Plant in full coastal sun to light shade (seems best with full morning sun) and water regularly to occasionally - will go summer dormant without irrigation and if treated this way can be considered "drought tolerant". Foliage is knocked back by a frost, but it is root hardy to about 5 degrees F. Trim off the spiny remains of the flower stalk after flowering. Like the species this plant can spread slowly in the garden by rhizomes and this spread can be contained by being dug up some form of a root barrier. Control snails and slugs that disfigure the bold foliage.

Bear's Breeches is native to Portugal in southern Europe east around the Mediterranean Sea to Croatia and across to North Africa. The name for the genus is derived from the Greek word 'įkantha' which means "thorn" or "spike" and the specific epithet is Latin for "soft" or "smooth", in reference to the texture of the leaves. Other common names include Bearsfoot, Grecian Plant, Wild Rhubarb and in Australia it is called Oyster Plant, which likely refers to the white, flattened flowers. The striking leaves are considered to have been inspiration for decorations of Greco-Roman architecture.

This cultivar was a seedling selection made at our nursery in 2017. It had notably more rounded leaves and over the time building stock on it we have noted it to be more compact. 

Information about Acanthus mollis 'Green Rounder' displayed on this page is based on our research about it conducted in our library and gathered from reliable online sources. We include observations made of this plant as it grows in our nursery gardens and in other gardens that we have visited, as well as how the crops have performed in containers in our own nursery field. We will also incorporate comments that we receive from others about this plant when we feel it adds information and particularly welcome hearing from anyone who has any additional cultural recommendations that would aid others in growing it.