Lythrum 'Flothrum Robin' ROBIN loosestrife
size/type
tall perennial,tall perennial
usual height
0,5-1,3m
usual width
0,3-0,5m
leaves
deciduous broadleaf
colour of leaves
flowers
showy
colour of flowers
blooming time
July-September
location
full sun
USDA zone (lowest)
3 (down to -40°C)
winter protection
for zone 5+6
for zone 7
categorized
Lythrum
Loosestrife is our native perennial from moist meadows and ditches. Even though it is a water-loving plant it can grow in locations which may temporarily dry out completely in summer. It produces masses of small purple pink flowers on thin stems which keep on moving in the wind or just a small breeze. It is ideal for English-style perennial borders and cottage gardens.Description of the plant:
Robin loosestrife is a sister (or brother?) variety of Robert loosestrife. It has almost identical colour of its the 5-petalled, star-shaped. They are bougainvillea-like rich purple pink forming, compared to Robert, much narrower spike-like inflorescence with enormous number of flowers that are closely attached to the stem, just like its small, shortly lanceolate, deep green, and glossy leaves. Blooming usually begins in mid to late July and continues until early September on non-branched stems that reach about 120 cm tall. If you like a smaller plant, pinch it in mid June or cut it about 10 cm above the ground level. The plant will start blooming later but will be shorter and much denser. Make sure it has sufficient moisture in order to avoid powdery mildew infection.Loosestrife will grow in virtually any soil, preferably in moist of water-logged conditions in full sun. It may self seed so unless you with the plant to spread remove flowered stems as soon as flowers have faded out. Hardy to about -40°C (USDA zone 4).
Last update 11-09-2017.
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