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DAHLIA 'Knockout'

Dwarf form. Large bright yellow ribbed, sunflower-like blooms with prominent orange centres. Black lacquered foliage
Further Reading....

Available late spring to early summer 2021 - These plants will be available again sometime in late spring/early summer depending on growing conditions.
individually £11.50 each, 3+ £8.00 each

Delivery Information Available late spring to early summer 2021
plant size comparison icon 1.5 to 2 Litre
  • Orange - orange centres
  • Yellow
  • Height - to 1m (39in)
  • Spread - 60cm (24in)
  • Tuberous - upright, bushy, clump-forming tuberous perennial. Flowers 10cm (4in) across
  • Half hardy - unheated greenhouse / mild winter - Hardy in coastal and relatively mild parts of the UK except in severe winters and a risk from sudden (early) frosts. May be hardy elsewhere with wall shelter or good micro-climate. Likely to be damaged or killed in cold winters. Plant can withstand temperatures down to -5°C (23°F)
  • Full sun
  • Additional Features - Good to know - - wildlife plant - nectar and pollen for insects. Very suitable for containers. Mystic series (Mystic Illusion)
  • Pests & Diseases - slugs, earwigs, caterpillars, mosaic rust, powdery mildew
  • Place of origin - garden origin. New Zealand. Dr. Keith Hammett
  • Flower Shape - Single - Row of petals round conspicuous stamens - no more than 8 petals
  • Garden Location/Conditions - Patio / pot plants -
  • Hardiness - Frost hardy (down to -5) -
  • Seasonal Interest - Autumn -
  • Summer
  • Soil Conditions - Fertile moist well-drained soil - - humus-rich
  • Wildlife - Bee friendly -
  • Rabbit Resistant
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Dahlia - Care Guide
Tubers - Care Guide

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