Citation: PERSICARIA CAPITATA (Buchanan-Hamilton ex D. Don) H. Gross, Bot. Family Polygonaceae . On Jun 20, 2014, jon4de from Bay Shore, NY (Zone 7a) wrote: I got this on the recommendation of Stan Megos at Variegated Foliage in Eastford, CT — a great place to see how it thrives in part-to-full shade. P. M. Noor Reservoir, South Kalimantan, Indonesia. Invasive Species Compendium. The soil is very poor and thick with tree roots, so I had a hard time finding things that would thrive there. Other common names lesser knotweed . It is widespread across Eurasia from Iceland south to Portugal and east to Japan. Pasuruan, Indonesia: Indonesian Sugar Experiment Station. Aquatic weeds of Southeast Asia. I had let the spikes go to seed, but held out little hope of anything coming up after a particularly nasty winter here in the Northeast. On Aug 25, 2009, turektaylor from Elizabeth City, NC (Zone 8a) wrote: highly recommend - doesn't seem as aggressive as other Persicaria. Broad, oval, medium green leaves. the flowers are quite unique and beautiful but you need to be within 10 feet to see them but when you do, they REALLY 'pop' from the vivid color. It typically forms a spreading foliage mound 2-3 feet tall and as wide or wider. Pancho JV; Soerjani M, 1978. To be honest, most knotweeds are at least a little naughty. Its abundant blooming lasts from the beginning of summer up to fall, and some varieties are even considered invasive because their spread is high-paced. On Jun 9, 2002, DarkPhoenix from Sandpoint, ID wrote: I just wanted to say that they DO bloom in captivity- I've had one in a pot for several years (afraid to put it out til I can manage to propagate it) and it's bloomed the last two years. On Oct 18, 2013, kmenzel from Saint Paul, MN wrote: I started this from seed from a seed exchange many years ago, and it is one of my shade favorites here in St. Paul, MN. But some, notably the invasive and hard to eradicate Japanese knotweed (Reynoutria japonica, syn. They are also called invasive pests by others. Oxford, UK: Oxford University Press. Title This cultivar ‘Superba’ is also considered to be synonymous with ‘Dimity’and is one of my favourite plants. ; [260 X 180 mm]. Thanks to Stan for convincing me to try it, I can’t imagi... read morene how I’ve lived without this beauty for so long. Malabar, Florida, USA: Krieger Publishing Co. 391 pp. In: van Steenis CGGJ, ed. On Oct 7, 2010, daddw from Seattle, WA wrote: I grow this in part shade and the leaf color is creamy, with green and burgundy accents, but mainly cream. I'm dealing with two gardens that have been overtaken by this plant over a period of decades. Polygonum perfoliatum. Basionym: Polygonum capitatum Buchanan-Hamilton ex D. Don 1825. Even if it never blooms, it's a good plant in my book. U.S. Weed Information. The variegated foliage really brightens up the otherwise dim area where little else will tolerate the dry, root-bound, poor soil. i agree with all the other Daver's that it's a great addition to your shade garden for the variegation. This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Weeds of Indonesia. On Feb 28, 2012, Gabrielle from (Zone 5a) wrote: A nice looking Persicaria, though seeds itself a bit too freely. Batavia: Noordhoff-Kolff NV. Persicaria hydropiperoides (Michx.) Southern wetland flora: Field office guide to plant species.South National Technical Center, Fort Worth. The tiny, red flowers in late summer are a nice bonus. We have near streams, in a wall, in borders- everywhere. Polygonum polystachyum. Soerjani M; Kostermans AJGH; Tjitrosoepomo G, 1987. 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