How to Grow and Care for Ninebark Shrubs

A low - maintenance native shrub , ninebark grows best in full Dominicus to loose tad . Although it prefers evenly moist , well - run out soil , it is adaptable to rough and Lucius DuBignon Clay soils and is drought tolerant once established . Here is more of what you should know about this tough plant .

Ninebarks Quick Facts

Physocarpusopulifoliusand cvs .

Zones:2–7

Conditions : Full Dominicus to partial shade ; moist , well - drained soil

Native range : Eastern North America

Pests : Aphids

disease : Fire blight , leafage maculation , powdery mildew

Propagation : Softwood cuttings or take root sucker for transplanting

How to Grow Ninebark

Do n’t underact the bark . Ninebark get its name from the way the sure-enough bark splits and shreds into narrow-minded papery layer of slightly different gloss . This trait is especially heart - catching in winter and give the garden interest in the off - season .

Growing Tips:

Ninebark is versatile regarding ground type and show drouth tolerance , make it well-situated to cultivate . These plant normally favour well - drained , acidic land and full sunlight . However , I ’ve heard they can also grow well in amended clay soil and partial shade . They are know to endure pathetic soil precondition and brandish in hardiness Zones 2 through 7 .

Bloom time

Pest and Disease

| Maintenance |

Ninebark Pruning Basics

It ’s a good idea to cut out numb , crossed , or leggy halt on a ninebark every year in former winter or early springtime . Aside from that worldwide sustainment , there are three self-colored pruning method you’re able to apply . But keep one important fact in mind before you start : Ninebarks bloom on old wood , so any early season pruning decreases the bloom , while pruning after flowering decreases yield .

Method 1

Selectively remove up to a third of the old stems eachyear ( in late wintertime ) over a three - year cycle . This is a stepped overture to greening and meliorate air circulation , whichcan help alleviate powdery mold infections .

“ Before ” photo : Danielle Sherry

“ After ” photo : Danielle Sherry

Method 2

Give the bush a low-cal , postbloom shearing to head back any errant or overly vigorous stems and even out the summertime habit .

Method 3

refilling or rejuvenation pruning is a good technique for overgrown or scraggly ninebarks . reduce all stems to the basis in late winter allows you to start over . Plants will be stocky for a few years but will finally reach their full size of it . efflorescence and fruits for the year are sacrifice every time this is done , so do it sparingly . The exfoliating barque on older woodwind instrument is also less pronounced for several age until stems gain some age .

The Best Ninebark Shrubs for the Garden

Brand - New Ninebark Shrubs demonstrate Promise

How to Prune Ninebark

Richard Hawke is plant evaluation manager at the Chicago Botanic Garden in Glencoe , Illinois .

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How to Grow and Care for Ninebark Shrubs

Panther®.Photo: courtesy of Richard Hawke

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