AWARD

DAHLIA 'Knockout'

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

DAHLIA 'Knockout'

 

 

  • 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
    Border
    Suits a mixed or herbaceous border
    Cottage garden
    Patio / pot plants
    Suitable for small gardens
  • Hardiness
    Frost hardy (down to -5)
  • Seasonal Interest
    Autumn
    Summer
  • Soil Conditions
    Fertile moist well-drained soil
    Humus-rich
  • Wildlife
    Bee friendly
    Rabbit Resistant
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Dahlia - Care Guide
Tubers - Care Guide

Useful extras...

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

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
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

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