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PERSICARIA affinis 'Darjeeling Red'
Commonly known as Knotweed, Polygonum
Excellent ground cover with bright crimson flowers
Further Reading....
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EvergreenLarge leaves to 15cm (6in) long.
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RedOpen pink and turn red when mature
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Height25cm (10in)
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Spread50cm (20in)
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Ground coverThese plants are typically low growing and spread quickly to inhibit weed growth on areas of bare soilMat-forming perennial. Produces long-lasting flowers
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Hardy - cold winterHardy in most places throughout the UK even in severe winters. May not withstand open/exposed sites or central/northern locations. Plant can withstand temperatures down to -15°C (5°F)
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Full sun
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Partial shade
PERSICARIA affinis 'Darjeeling Red'
- Details
- Description
- Tips and Advice
- Goes Well With
- Planting Combinations
- Other Suggestions
- See Also...
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Additional FeaturesPests & DiseasesNonePlace of originGarden origin.Resistant to honey fungusThese plants have little or few problems with honey fungus.
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Flower ShapeCup-shaped5mm (¼in) long on spikes 5-8cm (2-3in) longSpikes
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Garden Location/ConditionsBorderSuitable for a mixed or herbaceous borderRockery (inc alpine)
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HardinessFully hardy
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Seasonal InterestAutumnSummer
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Soil ConditionsTolerates allAny moist soil
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WildlifeRabbit Resistant
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Persicaria - Growing Guide
Useful extras...
Fertilisers & Feeds - Empathy
Rootgrow mycorrhizal fungi
Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
3 options from £3.00
Fertilisers & Feeds - Empathy
Afterplant - Grow Your Own
AFTER PLANT GROW YOUR OWN seaweed is ready to use liquid concentrate that was specially formulated be used on all edible plants.
Only £8.00
Fertilisers & Feeds - Empathy
Wildflower Mini Meadow
Creates a mini-meadow for attracting bees, butterflies and bugs to your garden.
200g sachet which will cover 3 square metres. Contains Rootgrow™ mycorrhizal fungi.
2 options from £7.00
Fertilisers & Feeds - Empathy
Afterplant - Tomatoes
AFTER PLANT TOMATO FEED Liquid Concentrate with Bio stimulant is a high potash liquid concentrate containing seaweed extract, plant derived amino acids and other nutrients specifically formulated to benefit tomatoes and greenhouse plants.
Only £8.00
Vermin & Pest Control
Slug Pellets
Slug killer blue mini pellets are easy to use and give effective control of slugs and snails.
Ideal in garden, conservatory or greenhouse.
Only £6.50
Fertilisers & Feeds - Empathy
All-purpose Seaweed Stimulant
All-purpose organic concentrated seaweed feed that is a ready to use, derived from sustainable harvested kelp, that can be used on all outdoor and indoor plants, except acid loving plants.
Perfect used in conjunction with Rootgrow™.
Only £7.50