Everything You Need to Know About Persicaria

Exposure:

Some subtlety is indispensable in warm zone , but even in the North , Virginia persicaria ( P. virginiana ) apprize afternoon shade and wind aegis .

Soil:

While most species are tolerant of soggy sites , they sulk in juiceless soil . Crispy leave of absence are a indisputable sign of overly ironical conditions and/or too much sun and estrus .

Propagation:

Divide plants in leaping or fall as needed to moderate size of it and spread . Often you’re able to just pull the clumps apart with your hands . Virginia persicaria and its cultivars can reseed to a fault and become a pain under ideal growing conditions .

Hardiness:

Our lack of winner withP. microcephalaselections such as ‘ Purple Fantasy ’ and ‘ Red Dragon ’ ( pictured above ) was likely a moth-eaten - hardiness issue . In multiple attempts , these plants were bump back hard or killed in a flash in wintertime .

Habit:

They range from ground - hugging broadcaster to big bushy mounds .

Foliage:

Many sport lance - regulate to broad nub - influence leaves with prospicient pointed tips . shade of green abound , but novel color course such as whitened - splashed , atomic number 47 and burgundy , and prominent multicolored chevrons mark the leaves of some .

Naming:

Knotweed , a sometimes - used common name of persicaria , cite to the swollen stem articulation or knots at the base of operations of the foliage .

Flowers:

In summer through evenfall , white , pinkish , or ruddy flowers cluster on spikes or spray . While tiny on their own , they produce encroachment in total . peak forms range from chubby bottlebrushes to wiry sceptre .

Seed heads:

Some seed heads age to eye - catching russet , bronze , or coppery spirit . While fairly on their own , they ’re fetch when mixed among late - time of year bloom .

encounter the best of the good persicarias inPersicarias Deserve Your dear — trial run Results

Richard Hawke is works rating manager for the Chicago Botanic Garden in Glencoe , Illinois .

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