Lythrum salicaria 'Robert'
loosestrife
Quickly forming an upright clump, which throughout the summer is topped with poker-like spikes of rose-pink flowers. This moisture-loving perennial is...
9cm pot
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3 × 9cm pots
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6 × 9cm pots
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Plant description
Quickly forming an upright clump, which throughout the summer is topped with poker-like spikes of rose-pink flowers. This moisture-loving perennial is useful for adding colour to the bog garden or pond margin, where the showy flowers will help attract pollinating insects.
Eventual height & spread
Flowering period
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Plant features
Position
Full sun
Rate of growth
Fast-growing
Soil
Moderately fertile, moist, well-drained soil
Hardiness
Fully hardy
How to care for Lythrum salicaria Robert:
Plant Lythrum in reliably moist soil in full sun, where it will produce tall, colourful flower spikes through summer. It also grows well in a pond basket positioned at the water’s edge, with the crown just above the waterline
Apply a generous mulch of well-rotted compost around the base in early spring to feed the soil and plant, and help retain moisture. Deadhead or remove fading flower spikes if you want to limit self-seeding and keep growth tidy.
Cut back spent stems to ground level in late autumn to prepare for fresh growth the following spring.
Apply a generous mulch of well-rotted compost around the base in early spring to feed the soil and plant, and help retain moisture. Deadhead or remove fading flower spikes if you want to limit self-seeding and keep growth tidy.
Cut back spent stems to ground level in late autumn to prepare for fresh growth the following spring.
Please note:
This perennial dies back to below ground level each year in autumn, then fresh new growth appears again in spring.
