Paeonia Species, Rock's Peony, Tree Peony

Paeoniarockii

Genus
Paeonia (pay-OHN-ee-uh)
Species
rockii (ROK-ee-eye)
Synonym
Paeonia suffruticosa subsp. rockii
Spacing
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
Hardiness
4-6 ft. (1.2-1.8 m)
Sun Exposure
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Danger
Full Sun
Bloom Color
Bloom Time
Maroon/Burgundy
White/Near White
Foliage
Mid Spring
Late Spring/Early Summer
Other Details
Other details
Deciduous
Smooth
Propagation Methods
Seed Collecting
By dividing rhizomes, tubers, corms or bulbs (including offsets)
Soil pH requirements
Allow pods to dry on plant; break open to collect seeds
Patent Information
Foliage Color
Bloom Characteristics
Water Requirements
Shrubs
Where to Grow
Regional

This plant is said to grow outdoors in the following regions:

West Berlin, New Jersey

Pewaukee, Wisconsin

Featured Videos

Gardener's Notes:

2
positives
0
neutral
0
negative
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M
| June 2009 | positive

This peony likes dappled shade in cooler climes. It can tolerate transplanting and can grow to ten feet tall over a twenty year period.

T
St. John's, NL (Zone 5b) | January 2005 | positive

This is a lovely tree peony from China. It was once considered a subspecies of P. suffruticosa, but is now given its own species status....Read More

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