'Joseph's Rock' Peony

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'Joseph's Rock' peony Description

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'<i>P. rockii</i> subsp. <i>linyanshanii</i> T. Hong et G. L. Osti synonym' peony photo

Photo courtesy of jedmar

Availability:

Commercially available

Synonyms:

• Joseph Rock
• P. rockii subsp. linyanshanii T. Hong et G. L. Osti synonym
• P. rockii T. Hong & J. J. Li ex D. Y. Hong
• Rockii
• Rock's Variety

HMF Ratings:

63 favorite votes.

Origin:

Discovered by Dr. Joseph Rock (United States, 1926).

Class:

Species, Tree peony.

Bloom:

White, dark purple flares. Strong fragrance. Average diameter 8". Very large, single to semi-double bloom form.

Habit:

Height: up to 6'7" (up to 200cm).

Growing:

USDA zone 4b through 9b.

Patents:

Patent status unknown (to HelpMeFind).

Ploidy:

Diploid

Parentage:

If you know the parentage of this peony, or other details, please contact us.

Notes:

Rock's Variety is a cultivated form of P. rockii which differs in the colour of the filaments (purplish instead of yellow) and some other characteristics.