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Polygonum cuspidatum spectabile Japanese Knotweed

Polygonum cuspidatum spectabile
Polygonum cuspidatum spectabile Polygonum cuspidatum spectabile Polygonum cuspidatum spectabile Polygonum cuspidatum spectabile Polygonum cuspidatum spectabile
Stock Number: 81005
Availability: In Stock
Family: Polygonaceae
Cultural Code: HT what's this?

Curious sophisticatedcultivar of "Japanese Knotweed" or "False Bamboo" producing wide brilliant cream marbled and strikingly frosted leaves. Brookside Gardens released this to us originally as Polygonum 'Variegate.' This Reynoutria species produces showy panicles of greenish-white flowers in late summer--but we have never observed any viable seed. The variegation is so intense that the clumps of this Japanese beauty never reaches the proportions of the species form. Keeps the best summer color in high shade although maintains the frosted appearance in full sun if the roots are consistently moist.

Family Polygonaceae
Plant Details
Cultural Code HT

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Cultural Codes

Some of you grow only indoors, some only in terrariums; many of you have hobby greenhouses; while a growing number of customers live in subtropical or tropical areas of the world. These brief codes are an attempt to suggest whether or not a particular plant will do well in your particular conditions.

If an entry has the cluster HP CGH, this means normal house plant culture will be successful if the plant is given a cool CGH moist location; however if the entry has the cluster CGH HP, you would interpret this to suggest that while Cool Greenhouse conditions are needed for total success with this plant, House Plant conditions will be adequate, while not ideal. If the cluster is HH CGH you would interpret this to mean that while in Zone 8 or below this will be winter hardy outdoor, further north it will need considerable mulch, a cold frame, or a Cool Greenhouse to thrive. And so on.

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