



Achillea millefolium

Salvia nemorosa

Anemone hybrida

Knautia macedonica

Helleborus orientalis

Calamagrostis acutiflora

Hydrangea arborescens

Anemone hybrida

Physostegia virginiana

Helleborus orientalis

Anemone hybrida

Alchemilla mollis

Aster novi-belgii

Verbena hastata

Helleborus orientalis

Papaver orientale

Potentilla nepalensis

Aquilegia vulgaris

Geranium pratense

Deschampsia cespitosa

Phlomis russeliana

Lobelia fulgens

Catananche caerulea

Echinops bannaticus

Verbena hastata

Sanguisorba

Sedum spectabile

Aquilegia vulgaris

Rudbeckia fulgida

Salvia nemorosa
Growing 'Lisan' knotweed (Persicaria amplexicaulis) is a very rewarding affair even for complete beginners, because this perennial is robust and undemanding. The basis for success is choosing the right location. This plant thrives best in a sunny spot or in partial shade. Even though it can tolerate shadier corners, it will flower most profusely in the sun, provided it has enough moisture. The soil should ideally be loamy, rich in nutrients, and humous. It is crucial that it is sufficiently moist and non-drying, as knotweed tolerates drought poorly. If you have sandy or stony soil in your garden, it is necessary to improve it before planting by working in compost or other organic material that will help retain water.
Since you will receive an already grown seedling, you can plant it practically anytime during the growing season, until it freezes. When planting, pay attention to the correct spacing, ideally 3 to 5 plants per square metre (a distance of approx. 40–50 cm). 'Lisan' knotweed grows relatively quickly and forms dense clumps that effectively suppress weeds, so you will soon see a continuous cover. Thoroughly water the plant after planting and watch out that the root ball doesn't dry out in the first weeks.
As for further care, this cultivar is relatively maintenance-free. It excels in that it doesn't suffer from any specific diseases or pests, so you don't have to deal with chemical protection. Because it reaches a compact height of 50–75 cm and has sturdy stems, it requires no support and does not fall over even in the rain. Fertilizing is not absolutely necessary if the soil is nutritious, but in the spring you can toss a little compost to the clumps to encourage lush leaf growth and the setting of crimson flowers. Should a long period of drought occur, do not forget to water the plants generously.
'Lisan' knotweed is fully frost-resistant (down to -28 °C), so it overwinters with us without problems and requires no winter cover. In autumn, when the plant turns brown and dies back with the first frosts, we recommend leaving the dry stems and leaves on the flowerbed. Perform a hard pruning only early in the spring, when you remove all dead matter just above the ground, making room for new, fresh green shoots. If you are considering growing in containers or window boxes, it is possible thanks to the compact growth of this cultivar. However, the container must be sufficiently large and deep. Regular and frequent watering is then crucial, because soil in a pot dries out much faster than in the open ground.
The information given is based on our experience, please use it as a guide only. Times may vary depending on the season, climate, location, sowing and transplanting dates and possibly also the conditions in the greenhouse/greenhouse. We always recommend testing how the plant performs in your conditions. Please do not take this as a guarantee.
See how the seedling looks over the course of a year.



Persicaria amplexicaulis

Persicaria amplexicaulis

Persicaria amplexicaulis

Persicaria affinis

Persicaria amplexicaulis

Persicaria amplexicaulis

Persicaria amplexicaulis

Persicaria amplexicaulis

Persicaria amplexicaulis

Alchemilla mollis

Achillea millefolium

Verbena bonariensis

Salvia nemorosa

Perovskia atriplicifolia

Gaura lindheimeri

Echinacea purpurea

Echinacea pallida

Eryngium planum

Echinacea purpurea

Salvia nemorosa

Calamintha nepeta

Rudbeckia fulgida

Calamintha nepeta ssp. nepeta

Salvia nemorosa

Gaura lindheimeri

Leucanthemum vulgare

Achillea millefolium

Perovskia atriplicifolia

Salvia nemorosa