






Lythrum virgatum

Leucanthemum vulgare

Lythrum salicaria

Salvia pratensis

Lythrum salicaria

Lythrum salicaria

Calamintha nepeta ssp. nepeta

Pennisetum alopecuroides

Alchemilla mollis

Nepeta faassenii

Salvia nemorosa

Achillea millefolium

Catananche caerulea

Echinacea purpurea

Achillea ptarmica

Perovskia

Salvia nemorosa

Achillea millefolium

Anemone hybrida

Salvia nemorosa

Deschampsia cespitosa

Coreopsis verticillata

Deschampsia cespitosa

Liatris spicata

Anemone hybrida

Echinacea purpurea

Centaurea montana

Geranium cantabrigiense

Knautia macedonica

Achillea millefolium
When looking for the ideal spot for Loosestrife 'Swirl', focus on locations with plenty of sun, which supports rich flowering and intense coloration of the flowers and autumn foliage. The plant can also tolerate partial shade, but in full sun it will be more compact and healthier. The soil should be nutritious and able to retain water. Don't be afraid to plant it in heavier clay soils or near water features where the ground is permanently waterlogged. Plant the seedlings at a spacing of 40 cm; if you are planting a group, expect the plant to spread out over time and form a rich clump. Immediately after planting, water the plant thoroughly so that it bonds with the existing soil.
Since this is a plant native to wetland habitats, watering is crucial, especially in the first year after planting and during periods of summer drought. If you are growing Loosestrife in a regular perennial bed that is not naturally damp, a mulch of bark or wood chips will help you retain moisture in the soil longer. Fertilizing is not strictly necessary if the soil is naturally humous, but a spring dose of organic fertilizer or compost will give the plant energy to start the new season. Due to the fact that this cultivar is sterile or minimally fertile, you do not have to worry about the invasive spread by seeds, which is typical for the wild purple loosestrife.
Maintenance of Loosestrife is very easy and suitable even for complete beginners. The plant maintains its elegant, upright habit and does not require staking. The inflorescences are airy and delicate, so they do not break in the rain. If you like to create bouquets, do not hesitate to cut the flowering stems for a vase – it won't hurt the plant and they will stay fresh in water for a long time. The gratifying news is that Loosestrife is essentially free of diseases and pests, not even tasting good to slugs, so your care will be limited to just admiring the flowers and watching the butterflies that the plant attracts.
Overwintering is trouble-free, the plant is long-lived and highly frost-hardy. Do not remove the drying stems in autumn; their reddening color and structure decorate the garden even on dreary days. Cut the dry matter back only in spring in March, just before the new leaves emerge. You often ask about the possibility of growing it in pots on the terrace – yes, Loosestrife 'Swirl' will grow in a container, but it is more demanding regarding watering. Choose a large container with high-quality potting mix and ensure that the plant does not suffer from a lack of moisture even on hot summer days. For winter, it is better to sink the pot of container plants into the ground or wrap it with insulation, although the plant itself is frost-hardy, the root ball in a container freezes much faster than in the 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.













Lythrum virgatum

Lythrum salicaria

Lythrum virgatum

Lythrum salicaria

Lythrum salicaria

Lythrum salicaria

Lythrum virgatum

Lythrum salicaria

Lythrum salicaria

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