CENTAUREA montana 'Alba'

Commonly known as Mountain knapweed, Perennial cornflower

Pure white flowers growing up to 45cms(18ins)
Further Reading....
  • Deciduous
    Lance-shaped, mid-green leaves, woolly beneath, 6cm (2½in) long
  • White
  • Height
    45cm (18in)
  • Spread
    60cm (24in)
  • Bulb/Corm or rhizomatous perennial
    Rhizomatous, mat-forming perennial. Flowers 5cm (2in) across
  • Herbaceous
    Early in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch.
  • Hardy - cold winter
    Hardy 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)
  • Full sun
  • Partial shade

CENTAUREA montana 'Alba'

 
  • Additional Features
    Good to know
    Wildlife plant - nectar and pollen for insects.
    Pests & Diseases
    Powdery mildew.
    Place of origin
    Central Europe, Slovenia, Croatia, Bosnia, central Italy,
  • Garden Location/Conditions
    Border
    Suits a mixed or herbaceous border
  • Hardiness
    Fully hardy
  • Seasonal Interest
    Summer
  • Soil Conditions
    Fertile moist well-drained soil
  • Wildlife
    Bee friendly
    Butterfly friendly
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
45cm (18in)
bulb/corm - guide for size not form Hand Trowel
  60cm (24in)
 

Useful extras...

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

Fertilisers & Feeds - Vitax
Blood, Fish & Bone
Improves vegetable, fruit and flower quality. Blood, Fish and Bone contains three major nutrients essential for strong and healthy growth.
Only £6.00

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