PETASITES japonicus

Commonly known as Giant butterbur

Perennial rhizomatous plant which prefers damp conditions. Dense clusters of yellowish-white flowerheads in FEB-MAR followed by large kidney-shaped leaves growing up to 3 feet high on stalks
Further Reading....
  • White
    Yellowish white
  • Height
    1-1.2m (3-4ft)
  • Spread
    3-5m (10-16ft)
  • Bulb/Corm or rhizomatous perennial
    Rhizomatous perennial with kidney-shaped, irregularly toothed basal leaves to 80cm (32in) across on stalks to 1m (39in) long. Produces dense clusters of flowerheads to 1.5cm (½in) across, with oblong bracts below, before the leaves
  • Herbaceous
    Early in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch.
  • Very hardy
    Hardy in the severest continental climates including exposed upland locations in the UK. Plant can withstand temperatures < -20 (-4°F)
  • Full shade
  • Partial shade

PETASITES japonicus

 
Available again from APRIL 2024 - When fresh stock arrives
individually £13.50 each , 3+ £12.00 each 
Delivery Information Available again from APRIL 2024
  • Additional Features
    Good to know
    May become invasive
    Pests & Diseases
    None
    Place of origin
    China, Korea, Japan.
  • Garden Location/Conditions
    Bog garden
  • Hardiness
    Fully hardy
  • Seasonal Interest
    Spring
  • Soil Conditions
    Wet or boggy soil
    Humus-rich, permanently moist, not stagnant.
  • Wildlife
    Rabbit Resistant
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1-1.2m (3-4ft)
bulb/corm - guide for size not form Watering Can
  3-5m (10-16ft)
 

Useful extras...

Fertilisers & Feeds - Vitax
Q4 Pelleted Fertiliser
A useful fertiliser suitable for use on a wide variety of plants. Q4 provides all the nutrients and trace elements essential for vigorous growth, abundant flowering and ripening of fruit.
3 options from £6.00

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
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

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
Rootgrow Ericoid mycorrhizal fungi
This specially adapted Rootgrow™ mycorrhizal fungi will boost the growth of acid-loving plants like rhododendrons, azaleas, heathers and blueberries. It contains ericoid and arbuscular mycorrhizal fungi, which are found in poor acidic soils where ericaceous plants naturally grow.
Only £7.50

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

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