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'D' > DAHLIA >


All flower AUG-SEPT

Genus of about 30 species (and some 20,000 cultivars predominantly derived from D. pinnata and D. coccinea) of bushy, usually tuberous-rooted perennials from mountainous areas of Mexico and Central America.

Late-flowering so provide colour when other flowers are past their best.

Single varieties attract insects.

Further Reading....

  • Herbaceous - Early in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch.
  • Tuberous - tuberous perennials
  • Full sun
  • Additional Features - Good to know - late-flowering deadhead regularly to prolong flowering. Wildlife plant (single forms) - insects.
    To buy small dahlia cuttings or to learn more about dahlias, visit the National Dahlia Collection
  • Pests & Diseases - slugs, earwigs, caterpillars. Prone to powdery mildew, mosaic virus.
  • Place of origin - Mexico, Central America
  • Soil Conditions - Fertile well drained soil - humus-rich.
  • Wildlife - Rabbit Resistant

Buy Varieties of DAHLIA

DAHLIA 'Arabian Night'

DAHLIA 'Arabian Night'  >

Decorative form. Crimson red
individually £10.50 each, 3+ £8.00 each

DAHLIA 'Bishop of Llandaff   AWARD

DAHLIA 'Bishop of Llandaff  >

Peony form. Purple foliage, semi-double scarlet flowers
individually £10.50 each, 3+ £8.00 each

DAHLIA 'Knockout'   AWARD

DAHLIA 'Knockout'  >

Dwarf form. Large bright yellow ribbed, sunflower-like blooms with prominent orange centres. Black lacquered foliage
individually £10.50 each, 3+ £8.00 each

DAHLIA 'Moonfire'   AWARD

DAHLIA 'Moonfire'  >

Dwarf form. Bronze foliage and single, orange-yellow flowers with a red centre
individually £10.50 each, 3+ £8.00 each


DAHLIA 'Roxy'  >

Dwarf form. Shocking magenta single pink with bronzed leaves
individually £10.50 each, 3+ £8.00 each
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Useful extras...

Harrod Horticulture Plant Supports - Plant & Border Supports
Trumpet wire support
The Harrod Peony plant supports have a striking trumpet shape which is ideal for supporting many plants including peonies. Available in several sizes, in traditional rust & matt black colour.
6 options from £36.00

Harrod Horticulture Plant Supports - Plant & Border Supports
Curved border restraints
The border restraints are made from sturdy, solid 6mm galvanised steel wire and powder coated dark olive green, available in a variety of sizes providing strong plant support to stop plants falling across lawns and paths
4 options from £14.50

Harrod Horticulture Plant Supports - Plant & Border Supports
Spiral plant support
These flat-top spiral supports hold plant stems and come in packs of 3
2 options from £11.95

Harrod Horticulture Plant Supports - Plant & Border Supports
Link stakes
Link stakes plant supports are made from dark olive-green powder coated galvanised steel wire (up to 6mm thick), merge seemlessly into the background.
4 options from £28.00

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
Rootgrow mycorrhizal fungi
Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
2 options from £6.00

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

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