The Ninebarks prefer full sun on moist, acidic, fertile, well drained soil. Most Ninebark do not like drought and will often drop their foliage during late summer if the soil becomes too dry though will typically releaf during the following spring.
They are rarely bothered by pests or diseases, powdery mildew may sometimes occur on plants that are overcroweded.
They can be sheared to make a hedge, otherwise pruning is restricted to the occasional removal of older shoots lacking in vigor from the base immediately after blooming to encourage new growth. Plants can be cut to slightly above ground-level every 10 years for renewal and vigor. Older plants can be transplanted while dormant if cut back during the process.
Propagation is from softwood cuttings taken during summer or hardwood cuttings taken while dormant. The species can also be grown from seed which is sown upon ripening and does not require pretreatment.
* photo of unknown internet source
Physocarpus amurensis ( Amur Ninebark )
A large shrub, to about 8 feet, that is native to Russia, Manchuria and Korea. Some records include: largest on record - 10 x 33 feet.
The toothed, 3 to 5 lobed leaves, up to 5 x 5 inches, are mid-green above, finely hairy almost white beneath. The leaves are larger than that of Physocarpus opulifolius and have pointed tip lobes.
The white flowers, borne in corymbs, up to 2 inches across, are borne during late spring into early summer.
Hardy zones 3 to 8.
Physocarpus bracteatus ( Colorado Ninebark )
A dense, compact, rounded, medium-sized, deciduous shrub, reaching up to 6 feet, that is native to the Rocky Mountains in Colorado in the western U.S. It is equally stunning as Hydrangea arborescens while in bloom.
The leaves are similar to but have lobes that are more rounded than P. opulifolius. The foliage is mid-green.
The white flowers are borne on very showy clusters, up to 2 inches wide, during mid-summer.
The exfoliating, papery bark is very attractive.
Hardy zones 4b to 8, it is fully hardy and thrives at Dominion Arboretum in Ottawa, Canada.
Physpcarpus capitata ( Western Ninebark )
A fast growing, upright, large shrub, that is native to western North America ( from Juneau, Alaska to near Banff National Park, Alberta to western Montana; south to central California ). It is endangered in Alaska. Some records include: largest on record - 23 x 21 feet with a trunk diameter of 5 inches.
The deeply-lobed leaves, up to 4 x 4 inches, are glossy mid-green above, felted beneath.
The tiny creamy-white flowers, borne in showy, rounded corymbs, up to 5 inches across, are borne during late spring into early summer.
The older stems have attractive shredded orangish-brown bark.
Hardy zones 3 to 7 in full sun to partial shade. Flood tolerant and also tolerates summer drought. It thrives at Dominion Arboretum in Ottawa, Canada but is rarely encountered otherwise in eastern North America.
* photo taken by Jean Pawek @ CalPhotos
* photo taken by http://www.nwplants.com
Physocarpus intermedius ( Illinois Ninebark )
May actually be a subspecies of Physocarpus opulifolius. In fact, it is very similar in all ways to Physocarpus opulifolius except for having slightly smaller leaves and more compact habit, only reaching up to 6 x 9 feet in size. It is great for hedging.
The deep green foliage turns to yellow, orange and bronze during autumn.
The white flowers are borne on clusters up to 2 inches wide, during late spring.
Hardy zones 2 to 8 in full sun to partial shade.
Physocarpus malvaceus ( Mallow Ninebark )
A medium-sized, deciduous shrub, that is native to western North America from ( from near Olympia, Washington to Vernon, British Columbia to far southwest Alberta to central Montana; south to southwest Oregon to southwest Colorado ). It is critically endangered in Alberta and Wyoming. Some records include: largest on record - 8 x 6 feet.
The coarsely-toothed, 3 to 5 lobed leaves, up to 3 x 3 inches, are smooth deep green above, finely hairy beneath. The foliage is early to appear in spring and turns to deep red-purple during autumn.
The small, cupped, white flowers, borne in corymbs, up to 1.5 inches across, are borne during early summer.
Older stems have gray peeling bark.
Hardy zones 2 to 8. Rare in the east but is reported to be an excellent landscape plant in southern Ontario. It is very heat and drought tolerant.
* photo taken by http://www.nwplants.com
Physocarpus monogynus ( Mountain Ninebark )
A thicket forming, arching, small to medium-sized shrub, that is native to central North America ( from Colorado to South Dakota; south to Arizona to Texas ). It is criticlaly endangered in Nebraska, Oklahoma and Texas. Endangered in Montana and Wyoming. Some records include: fastest recorded growth rate - 20 inches; 10 years - 5 x 8 feet; largest on record - 7 x 8 feet.
The toothed, 3 to 5 lobed, rounded leaves, up to 2 x 2 inches in size, are mid-green. The foliage persists late in autumn.
The white flowers, borne in flat corymbs, up to 2 inches across, are borne during late spring into early summer.
Hardy zones 3 to 8 in full sun to partial shade, it is tolerant of both drought and wet soils. Prone to severe leaf diseases where summers are humid however makes an excellent landscape plant in the northern Plains and Rockies, even thriving in Fairbanks, Alaska.
* historical archive photo
Physocarpus opulifolius ( Eastern Ninebark )
A rapid growing, rounded, large, deciduous shrub, that is native to central and eastern North America ( from South Dakota to Armstrong, Ontario to Lansdowne House, Ontario to Attawapiskat, Ontario to Matagami, Quebec to New Brunswick; south to Colorado to the Florida panhandle & northern Georgia. In northern Ontario, it is most abundant along sandy or rocky shores of the Attawapiskat, Albany and Abitibi Rivers as well as the northern shores of Lake Huron and Superior through is scattered over a much large region. It is very abundant in Huron and Bruce Counties of Ontario. In the Windsor/Essex County, Ontario region; it was abundant on the Lake Erie islands as well as the Ohio shore during the 1800s. Some records include: fastest recorded growth rate - 6 feet; 10 years - 13 x 17 feet; largest on record - 17 x 33 feet.
The toothed, 3-lobed leaves are up to 5 x 5 inches in size. The bright to mid green foliage turns to yellow or orange during autumn.
The white to pinkish-white flowers, up to 0.3 inches wide, are borne in corymbs, up to 3 inches across, during late spring into early summer.
The attractive bark is brown and shredding.
Hardy zones 2 to 8 in full sun to partial shade on cool, deep, fertile soil. Extremely hardy, it thrives even on the northern Great Plains and interior Alaska. Eastern Ninebark hates drought but is tolerant of poor soil and soil PH. They can be cut back hard during March for increased vigor and in fact should be cut to the ground every 10 years for renovation. The Eastern Ninebark roots fast from cuttings with or without rooting hormone and at a near 100% rate. Rooted cuttings grow very fast, so a cutting taken during midsummer, can become a nice 2 x 2 foot shrub by the middle of the following summer.
* photo taken on August 3 2010 @ University of Guelph Arboretum, Ontario
* photo taken on August 4 2010 @ Birnam Woods Arboretum, Stratford, Ontario
* photos taken on Aug 3 2013 in Goderich, Ontario
* photos taken on Aug 4 2013 in Bayfield, Ontario
* photos taken on July 27 2015 in Bayfield, ON
* photos taken on July 14 2016 in Tobermory, ON
* photos taken on July 13 2018 in Bayfield, ON
* photos taken on July 14 2019 in Bayfield, ON
* photo taken on Aug 22 2021 in Bayfield, ON
* photo taken on July 9 2022 in Bayfield, ON
* historic archive photo
'Amber Jubilee'
Originated as a seedling between Physocarpus opulifolius 'Diabolo' and 'Dart's Gold'; the foliage is intermediate in color between the two. It is fast growing, dense, upright and rounded, reaching up 7 x 5 feet in 3 years, eventually to 10 feet in height.
The foliage is bright orange during spring, turning to lime-green during summer. The foliage turns to purple during autumn. The leaves are up to 3 x 2.5 inches in size.
The flowers are borne in corymbs, up to 1.2 inches wide, during a period lasting up to 2 weeks during late spring.
Hardy zones 2 to 7.
* photo taken on May 20 2016 in Columbia, MD
* photos taken on Jul 19 2017 @ Rideau Hall, Ottawa, ON
* photo taken on May 30 2018 in Columbia, MD
'Black Light'
Fast growing and upright, arching to rounded in habit, reaching up to 5 x 5 feet in 10 years.
The foliage is very deep purple to almost black from spring through autumn. This has the darkest color of any physocarpus or practically any plant and is stunning against plants with white variegated foliage. The leaves are up to 3.4 x 3.2 inches in size.
The pinkish-white flowers appear in rounded cymes, up to 3.6 inches wide, during early summer.
They are followed by showy purplish-red seed pods.
Hardy zones 4 to 7, its disease tolerance is not yet known but estimated to be average for a physocarpus.
'Burgundy Candy'
Fast growing but compact and upright in habit, reaching up to 5 x 4 feet. Some records include: fastest growth rate - 3.5 feet.
The foliage is orangish-bronze at first, turning to deep purplish-red. The leaves are up to 2.2 x 2 inches in size.
The white flowers appear in corymbs during late spring.
Hardy zones 3 to 7, it has superior mildew resistance.
* photos taken on May 21 2017 in Columbia, MD
* photos taken on July 26 2017 in Columbia, MD
* photo taken on Aug 16 2017 in Columbia, MD
* photo taken on Mar 15 2018 in Columbia, MD
* photo taken on May 25 2018 in Columbia, MD
* photo taken on July 25 2018 in Columbia, MD
'Burgundy Star'
Vigorous, compact, dense, upright and rounded in habit, reaching up to 4 x 3.2 feet in 5 years, eventually up to 5 x 5 feet.
The foliage is deep red. The leaves are up to 1.8 x 2 inches in size.
The pale pink flowers are borne in corymbs, up to 1.2 inches wide, during late spring.
Hardy zones 3 to 7, it has superior mildew resistance.
'Center Glow'
Fast growing, dense, upright and rounded, reaching up to 8 x 8 feet in 2 years, 8 x 10 feet in 5 years, eventually to 10 x 10 feet or more.
The young foliage that is bright golden-yellow to lime-green with a rosy red border. The foliage turns to deep rosy-red as it matures. The leaves turn to intense scarlet-red during autumn. The leaves are up to 4 x 3.7 inches in size.
The white to pale pink flowers appear over a period lasting up to 3 weeks during early summer.
They are followed by scarlet-red fruits during autumn.
Hardy zones 3 to 7.
* photo taken on Sep 10 2014 in Mt Airy, MD
* photo taken on May 17 2017 in Annapolis, MD
* photos taken on Jul 17 2017 in Ottawa, ON
* photo taken on Aug 24 2017 @ U.S. Botanic Garden, Wash. DC.
'Coppertina'
Compact but upright, rounded and large, reaching up to 10 x 6 feet in 10 years with a maximum eventual size of 10 x 10 feet.
The very attractive foliage is coppery-orange during spring, turning to rich deep red during summer. The leaves are up to 3.2 x 2.5 inches in size.
The pale pink flowers are borne in corymbs, up to 1 inch wide, during early summer.
Hardy zones 3 to 7 ( possibly 2 ) and has moderately good mildew resistance.
* photos taken on May 7 2014 @ London Town Gardens, Edgewater, MD
* photo taken on Nov 19 2016 @ London Town Gardens, Edgewater, MD
* photos taken on Apr 23 2017 @ Brookside Gardens, Wheaton, MD
* photo taken on May 27 2017 @ Meadowlark Botanical Gardens, Vienna, VA
* photo taken on Aug 1 2017 in Columbia, MD
* photos taken on Aug 5 2017 @ Brookside Gardens, Wheaton, MD
* photos taken on July 13 2021 @ Hershey Gardens, Hershey PA
* photo taken on June 19 2023 @ Hershey Gardens, Hershey, PA
'Dart's Gold'
Dense and vase-shaped to arching in habit, reaching up to 8 x 8 ( rarely over 6 ) feet. Some records include: 5 years - 4 x 6 feet; 7 years - 5.2 x 6 feet.
The very attractive foliage is golden-yellow. often turning to lime-green by late summer.
The flowers are pinkish-white.
Extremely hardy, thriving in the northern Great Plains including Alberta.
* photos taken on August 1 2013 in Stratford, Ontario
* photos taken on Aug 3 2013 in Goderich, Ontario
* photo taken @ London Town Gardens, Edgewater, MD
* photos taken on Jul 17 2017 in Gatineau, Quebec
* photo taken on July 15 2018 in Bayfield, ON
* darts gold ninebark in Goderich, ON
* photos taken on July 14 2019 in Bayfield, ON
* photo taken on Aug 22 2021 in Bayfield, ON
* photos taken on July 9 2022 in Bayfield, ON
* photo taken on July 10 2023 @ Collingwood Arboretum, Collingwood, ON
'Diablo'
A very fast growing large shrub. Some records include: fastest recorded growth rate - 8 feet; 4 years - 10 x 7 feet; largest on record - 17 x 20 ( rarely over 13 ) feet.
The foliage is deep reddish-purple. The leaves are up to 5 x 3 inches in size.
The pinkish-white flowers are borne in corymbs up to 2 inches wide, during a period lasting up to 3 weeks during early summer.
Extremely hardy, thriving in the northern Great Plains including Alberta.
* photos taken on May 1 2010 @ U.S. National Arboretum, D.C.
* photo taken on August 2 2010 in Bayfield, Ontario
* photo taken on August 4 2010 @ Stratford, Ontario
* photos taken on July 14 2016 in Tobermory, ON
* photos taken on May 27 2017 @ Meadowlark Botanical Gardens, Vienna, VA
* photo taken on June 9 2017 in Columbia, MD
* photos taken on Jul 18 2017 @ Dominion Arboretum, Ottawa, ON
* photo taken on Oct 26 2017 in Columbia, MD
* photo taken on May 25 2018 in Columbia, MD
* photos taken on June 5 2018 in Columbia, MD
* diablo ninebark in Port Ryerse, ON
* photos taken on May 13 2019 in Columbia, MD
* photos taken on June 5 2019 in Columbia, MD
* photos taken on Aug 18 2020 in Columbia, MD
* photos taken on May 17 2021 in Columbia, MD
* photo taken on July 24 2021 in Columbia, MD
* photos taken on Oct 7 2021 in Columbia, MD
* photo taken on May 29 2022 in Columbia, MD
* photos taken on Aug 16 2022 in Columbia, MD
* photos taken on Aug 8 2022 in Columbia, MD
* photos taken on May 12 2023 in Columbia, MD
* photo taken on June 17 2023 in Columbia, MD
* photo taken on Sep 28 2023 in Columbia, MD
* photo taken on Oct 10 2023 in Columbia, MD
'Festivus Gold'
Fast growing yet compact in habit, with thick stems, reaching up to 2.1 x 3.3 feet in 3 years, eventually to 4 x 5 feet. It is an improved form of 'Dart's Gold'.
The foliage is bright yellow all summer long. The leaves are up to 3.2 x 2.6 inches in size.
The white flowers are borne in corymbs, up to 1.5 inches wide, over a period lasting up to a month during early summer.
Hardy zones 3 to 7, it has good mildew resistance.
* patent photo
'Fireside'
Fast growing, upright, rounded in habit, reaching up to 3 x 3 feet in 5 years, to 7 x 6 feet in 10 years, eventually slightly more.
The regular-sized foliage is deep red during spring, turning to deep purple during mid-summer. The leaves are up to 2.3 x 1.5 inches in size.
The bright pink flowers appear in corymbs, up to 1.2 inches wide, during late spring.
Hardy zones 3 to 7, or possibly even colder. It has superior mildew resistance.
* patent photo
'Ginger Wine'
Fast growing, compact, dense and rounded in habit, reaching a maximum size of 7 x 7 feet. Some records include: 2 years - 2.7 x 3.2 feet; 4 years - 6 x 6 feet. It is similar to 'Summer Wine' except for differences in foliage color.
The large leaves are up to 4 x 3.7 inches in size. The foliage is intense orange at first, turning to deep wine red during summer. The foliage turns intense red during autumn.
The pinkish-white flowers are borne in corymbs up to 2.8 inches wide, and appear during late spring when they contrast nicely with the foliage.
Hardy zones 3 to 8, it has superior resistance to powdery mildew.
* patent photos
'Lady in Red'
Also called 'Ruby Spice'. A vigorous but dense and compact form, reaching up to 6.5 x 6.5 feet in size in just 2 years, the eventual size is likely around 8 feet.
The stunning, large foliage is glossy bright red at first, later turning to deep red. The leaves are up to 3 x 2.3 inches in size.
The abundant pink flower clusters are borne during late spring.
Hardy zones 2 to 7.
* photo taken @ U.S. Botanical Garden, Wash., DC on Aug 25 2014
* photos taken on May 15 2017 in Columbia, MD
* photos taken on May 27 2017 @ Meadowlark Botanical Gardens, Vienna, VA
* photos taken on May 31 2017 in Columbia, MD
* photo taken on June 9 2017 in Columbia, MD
* photo taken on Oct 18 2019 in Columbia, MD
* photo taken on June 25 2020 in Columbia, MD
* photo taken on Sep 15 2020 in Columbia, MD
* photos taken on June 17 2021 in Columbia, MD
* photo taken on Aug 27 2021 in Columbia, MD
* photos taken on June 28 2022 in Columbia, MD
* photos taken on July 29 2022 in Columbia, MD
'Lemon Candy'
Moderate growing, compact, dense and upright in habit, reaching up to 5 x 5 feet.
The foliage is intense flourescent golden-yellow at first, turning to bright greenish-yellow, remaining this color through autumn. The leaves are up to 2.7 x 2.6 inches in size.
The white flowers appear in corymbs during late spring. They are followed by showy red seed capsules.
Hardy zones 3 to 7.
'Little Devil'
Vigorous, compact, upright, dense and rounded in habit, reaching only 3.3 x 3.3 feet in 4 years, 4 x 4 feet in 5 years, eventually up to 5.5 x 6 feet. Some records include: fastest growth rate - 4 feet. It is a hybrid of Physocarpus opulifolius var. nanus and P. opulifolius 'Diablo' originating from David Charles Zlesak in Minnesota.
The foliage is deep reddish-purple. The leaves are up to 1.6 x 0.5 inches in size.
The pinkish-white flowers are borne in corymbs up to 0.8 inches in size, over a period lasting up to 3 weeks during late spring.
Hardy zones 3 to 7, it has superior mildew resistance.
* photo taken on Aug 26 2016 in Ellicott City, MD
* photo taken on Nov 14 2016 in Howard Co., MD
* photos taken on Apr 17 2017 in Columbia, MD
* photo taken on May 16 2017 in Columbia, MD
* photos taken on May 31 2017 in Columbia, MD
* photos taken on June 13 2017 in Columbia, MD
* photo taken on June 25 2017 in Columbia, MD
* photo taken on July 7 2017 in Columbia, MD
* photo taken on Aug 16 2017 in Columbia, MD
* photos taken on July 25 2018 in Columbia, MD
* photos taken on Aug 18 2018 in Columbia, MD
* photo taken on Aug 11 2018 in Columbia, MD
* photos taken on Oct 29 2018 in Columbia, MD
* photos taken on May 23 2019 in Columbia, MD
* photos taken on June 14 2019 in Columbia, MD
* photo taken on June 30 2019 in Columbia, MD
* photos taken on July 27 2019 in Columbia, MD
* photo taken on Aug 19 2019 in Columbia, MD
* photos taken on Sep 17 2019 in Columbia, MD
* photo taken on Nov 4 2019 in Columbia, MD
* photo taken on May 29 2020 in Columbia, MD
* photo taken on June 25 2020 in Columbia, MD
* photos taken on July 27 2020 in Columbia, MD
* photo taken on Sep 30 2020 in Columbia, MD
* photos taken on Nov 27 2020 in Columbia, MD
* photo taken on May 26 2021 in Columbia, MD
* photo taken on June 9 2021 in Columbia, MD
* photos taken on June 26 2021 in Columbia, MD
* photos taken on July 24 2021 in Columbia, MD
* photos taken on Sep 14 2021 in Columbia, MD
* photo taken on June 9 2022 in Columbia, MD
* photo taken on Aug 4 2022 in Columbia, MD
* photo taken on Oct 22 2022 in Columbia, MD
* photo taken on Nov 3 2022 in Columbia, MD
* photos taken on Dec 10 2022 in Columbia, MD
* photos taken on July 20 2023 in Columbia, MD
* photos taken on Aug 15 2023 in Columbia, MD
* photo taken on Sep 5 2023 in Columbia, MD
* patent photo
'Little Joker'
Moderate growing, dense, rounded in habit, reaching up to 2 x 2.5 feet in 4 years, eventually to a maximum size of 4 x 4 feet.
The very small, deeply-cut foliage is glossy deep purple. The leaves are up to 1.3 x 1 inches in size.
The very abundant, pink flowers are borne in corymbs, up to 0.8 inches wide, during late spring.
The stems are deep red.
Hardy zones 3 to 8, possibly colder. Possibly has superior mildew resistance.
* photo taken on Sep 25 2021 in Elkridge, MD
* photo taken on Aug 13 2021 in Elkridge, MD
* patent photo
'Luteus'
A very vigorous, large shrub, reaching a maximum size of 13 x 17 feet. Some records include: 5 years - 6 feet ( average ), 10 years - 10 feet.
The foliage is golden-yellow at first, turning to deep green. Foliage turns bronze during autumn.
The flowers are pure white.
* photo taken on Oct 21 2014 @ U.S. Botanical Gardens, Washington, DC
* photos taken on May 27 2017 @ Meadowlark Botanical Gardens, Vienna, VA
* photo taken on July 16 2018 in Midland, ON
'Nana'
Also called 'Nanus'. Dense and compact in habit, reaching a maximum size of 6 x 8 ( rarely over 4 ) feet, with small, deep green leaves. The foliage turns to orange, red and bronze during autumn.
The flowers are pure white.
* photos taken on June 22 2019 in Columbia, MD
* photos taken on Nov 10 2020 @ Brookside Gardens, Wheaton, MD
'Nugget'
A dense, bushy form especially well adapted to the Great Plains ( esp. North Dakota ) where it can be used for shelterbelts and screening. Fast growing, dense and compact in habit; it can reach as much as 10 x 16 feet in 10 years. Some records include: 5 years - 6.5 x 7.5 feet.
The foliage is golden-bronze at first, turning to luxuriant bright green. The foliage appears early in spring and persists late in autumn when it often turns intense golden-yellow.
The flowers are pure white.
Hardy north to zone 2. Extremely hardy, thriving in the northern Great Plains including Alberta.
'Panther'
Very compact, upright and columnar in habit, reaching up to 4 x 5 feet in 3 years, eventually to 5 feet in height.
The stems and foliage are glossy very deep purplish-black. The leaves average 3 x 2.7 inches in size.
The pale pink flowers are borne in corymbs up to 1.3 inches wide, during late spring. They are followed by red fruits.
Hardy zones 3 to 8 ( possibly colder ), it has high resistance to powdery mildew.
* photos taken on May 27 2023 in Burtonsville, MD
* patent photos
'Petite Plum'
Fast growing, compact, upright and rounded in habit, reaching up to 6 x 5 feet.
The foliage is glossy deep reddish-purple. The leaves are up to 2.2 x 2.1 inches in size.
The abundant, bright flowers are borne in dense corymbs, up to 1.6 inches wide, lasting for up to a month during late spring. They are followed by showy red seeds that keep their color for another month.
Hardy zones 3 to 8, it has superior powdery mildew resistance.
* photos taken on Aug 23 2017 in Elkridge, MD
* photos taken on Aug 16 2020 in Elkridge, MD
'Raspberry Lemonade'
Vigorous, compact, dense and rounded in habit, reaching up to 4.3 x 4.3 feet in 6 years, eventually slightly more. It is similar to 'Little Devil' in habit, but the foliage on this cultivar is bright limey-yellow. The leaves are up to 1.5 x 0.7 inches in size.
The white flowers appear in corymbs, up to 0.8 inches wide, during a period lasting up to 3 weeks during late spring.
They are followed by coral-pink to red fruits that keep their color for up to a month.
Hardy zones 3 to 7, it has superior resistance to powdery mildew.
* patent photos
'Red Esquire'
A low, spreading form developed for use as groundcover, it is the Ninebark version of the Grolow Aromatic Sumac. It typcially reached about 1 x 2.5 feet in 3 years, eventually up to 2 x 5 feet. It can also be used to trail over walls.
The foliage is purplish-black. The leaves are up to 3.2 x 2.6 inches in size.
Blooming appears to be sparse to none on this cultivar.
Hardy zones 2 to 7, it has average disease resistances for Physocarpus opulifolius.
* patent photo
'Royal Jubilee'
Compact and upright rounded in habit, reaching up to 4 x 4 feet. It has larger leaves than other dwarf red leaved forms. It is great as a low hedge or for mass plantings. it originated with Jeffries Nurseries in Manitoba, Canada.
The deeply-veined foliage is very deep purple to almost black. The leaves are up to 2.4 x 1.4 inches in size.
The abundant, showy white ( pink in bud ) flowers appear in corymbs, up to 2 inches wide, over a period of up to 2 weeks during late spring.
Hardy zones 2b to 7, it has excellent mildew resistance.
* patent photos
'Snowball'
Reaches up to 7.5 x 8.5 feet in 5 years, eventually more.
The foliage is deep green and the white flowers are borne in large clusters during mid to late spring.
Extremely hardy, thriving in the northern Great Plains including Alberta. Tough and drought tolerant.
'Summer Wine'
Vigorous, compact, dense and rounded in habit, reaching a maximum size of 7 x 7 feet. Some records include: 2 years - 2.7 x 3.2 feet; 4 years - 6.5 x 6 feet. It originated as a hybrid between 'Diablo' and 'Nana'.
The large, deep reddish-purple leaves averaged 2.2 x 2.2 inches in size, larger on vigorous shoots.
The pinkish-white flowers are borne in corymbs up to 1.5 inches wide, and appear during late spring when they contrast nicely with the foliage.
Hardy zones 3 to 8, it is moderately resistant to powdery mildew.
* photo taken on April 11 2010 @ U.S. National Arboretum
* photo taken on annual Horticultural Society of Maryland Garden Tour
* photo taken on October 17 2010 @ U.S. National Arboretum, D.C.
* photo taken on Aug 20 2011 @ Brookside Gardens, Wheaton, MD
* photos taken on Aug 4 2013 in Bayfield, Ontario
* photo taken on Oct 17 2013 in Olney, MD
* photo taken on July 11 2014 in Washington, DC
* photos taken on May 15 2015 in Columbia, MD
* photos taken on July 9 2015 in Columbia, MD
* photo taken on Apr 23 2017 @ Brookside Gardens, Wheaton, MD
* photo taken on May 18 2017 in Columbia, MD
* photos taken on May 28 2017 in Howard Co., MD
* photos taken on Sep 4 2018 in Columbia, MD
* photo taken on May 13 2019 in Columbia, MD
* photos taken on June 12 2019 in Columbia, MD
* photos taken on Aug 19 2019 in Columbia, MD
* photos taken on July 1 2020 in Columbia, MD
* photo taken on Sep 26 2022 in Columbia, MD
* photo taken on June 26 2023 in Columbia, MD
* photo taken on Sep 28 2023 in Columbia, MD
* photo taken on May 19 2022 in Columbia, MD
'Summer Wine Black'
Nearly identical to 'Summer Wine' but foliage is even darker, nearly black.
It has excellent mildew resistance.
'Sweet Cherry Tea'
Similar to 'Little Devil' except this new form is a repeat bloomer. It is vigorous, dense, upright to arching, rounded in habit, reaching up to 4 x 4 feet in 5 years, eventually slightly more. It is a selection by David Zlesak.
The foliage is reddish-orange at first, turning to rich deep purple. The leaves are up to 1.6 x 0.8 inches in size.
The pink flowers appear during mid to late spring, then repeat during mid-summer into autumn.
Hardy zones 3 to 7, it has excellent resistance to powdery mildew.
* patent photo
'Tiny Wine'
A vigorous but dwarf, compact, dense, arching to upright-rounded shrub, reaching up to 2 x 2 feet in 3 years, eventually up to 5 x 4 ( rarely over 4 ) feet.
The foliage is deep reddish-purple, turing to red during autumn. It is slightly larger than 'Little Devil', usually around 1.2 x 1 inches in size.
The showy flowers are pink in bud, opening to white.
It has superior mildew resistance.
* photo taken on Apr 23 2017 @ Brookside Gardens, Wheaton, MD
* photo taken on May 1 2017 in Columbia, MD
* photos taken on Aug 5 2017 @ Brookside Gardens, Wheaton, MD
* photo taken on May 19 2019 in Columbia, MD
* photos taken on Aug 19 2019 in Columbia, MD
* photos taken on May 11 2020 in Columbia, MD
* photos taken on July 8 2020 in Columbia, MD
* photos taken on Sep 10 2020 in Columbia, MD
* photos taken on May 23 2021 in Columbia, MD
* photos taken on Nov 3 2021 in Columbia, MD
* photo taken on Nov 15 2021 in Columbia, MD
* photos taken on May 25 2022 in Columbia, MD
* photos taken on Oct 29 2022 in Columbia, MD
* photos taken on May 13 2023 in Columbia, MD
* photo taken on Aug 2 2023 in Columbia, MD
* photos taken on Sep 28 2023 in Columbia, MD
* photo taken on June 19 2023 @ Hershey Gardens, Hershey, PA
* photo taken on Sep 4 2022 in Columbia, MD
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