Monday, January 5, 2015

Prunella

Prunella

Prunella grandiflora
A very fast growing to invasive, mat-forming perennial, reaching up to 2 x 4 feet, that is a widespread native of Europe.
The toothed, ovate leaves are deep green.
The blue flowers, up to 1.2 inches long, are borne during summer ( white, pink and red forms also exist )
Hardy zones 5 to 8 in full sun to partial shade on just about any moist soil.

Prunella 'Summer Daze'
The hybrid between Prunella grandiflora and Prunella laciniata. It forms a very fast spreading perennial, reaching up to 8 inches x 3 feet.
The attractive oak-shaped foliage is glossy deep green.
The abundant pink flowers appear during summer.
Hardy zones 5 to 8 in full sun to partial shade on just about any moist soil. Drought tolerant.

* photo taken on May 21 2017 in Ellicott City, MD


Prunella vulgaris ( Self Heal )
A deep rooted perennial. reaching up to 1 foot, that is native to Europe but naturalized over much of North America.
The purplish-pink, hooded flowers appear during most of the summer.
Hardy zones 1 to 8 in full sun on moist, well drained soil.

* photo taken by Clarence A. Rechenthin @ USDA-NRCS PLANTS Database


Prunella webbiana 'Loneliness Blue'
A vigorous groundcover perennial, reaching up to 15 x 25 inches.
The foliage is glossy mid-green.
THe flowers are borne late spring all through summer. Hardy zones 3 to 8 in full sun to partial shade on moist soil.

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