Delphinium grandiflorum 'DELFIX® BLUE'

Delphinium grandiflorum
Delphinium grandiflorum 'DELFIX® BLUE'
Chinese larkspur
SIZE/TYPE low perennial
USUAL HEIGHT 0.3-0.4m
USUAL WIDTH 0.3-0.5m
LEAVES deciduous broadleaf
COLOUR OF LEAVES green
FLOWERS showy
COLOUR OF FLOWERS indigo blue
BLOOMING TIME June - September
LOCATION full sun
USDA zone (lowest) 4   (down to -34°C)
WINTER PROTECTION  
FOR ZONE 5+6 Code of winter protection zone 5+6
FOR ZONE 7 Code of winter protection zone 7
BELONGS TO CATEGORIES Perennials
Summer blooms
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Larkspur is a favourite perennial where varieties with blue flowers are most popular. Though, in modern gardens and better garden centres you can find new varieties with pink shades or even purple-red shades as well as white. The name delphinium was used to describe the shape of the flower bud which looks like a dolphin (rather a fat one).

Delfix® Blue is a dwarf variety of Chinese larkspur with deep gentian-blue flowers. It makes a low, compact clump, 30-40 cm tall, producing an abundance of flowers from early summer. Once the main flowering has finished you can cut back the entire plant near the ground to encourage the second flush of flowers and fresh foliage in late August and September. Under good conditions it may continue until early October. Deciduous, basal leaves are mid green, deeply cut making a lacy appearance. Bred by Syngenta Flowers and introduced in 2001.

Grow larkspur in any well-drained, humus-rich garden soil in full sun. It will benefit from mulching as it likes constant moisture. The plant contains toxin which may cause severe discomfort if ingested, or, to some, it may irritate skin. Using a fertilizer high in phosphorus every year will ensure profuse flowering. Fully hardy to min. -34°C (USDA zone 4), possibly more.

Last update 11-07-2013
SIZES and PRICES
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Delphinium grandiflorum
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Delphinium grandiflorum
GLOSSARY
  • STANDARD QUALITY - Plants of this group are 1st class quality with number of branches and overall density adequate to their size and age, considering they were container grown.
  • DE LUXE QUALITY - This label guarantees a luxurious quality of manually selected plants that, compared to their height and age, are exceptionally dense and beautiful.
  • EXTRA - These plants are usually mature and bigger specimens with exceptional overall appearance.
  • STANDARD (as described in the plant form) means a tree with a trunk of 190-210 cm and a crown at the top, unless specified differently. The commercial size for trees is their girth measured in the height of 1m from ground.
  • HOBBY - These plants are of the same quality as our standard-quality plants but younger and therefore cheaper.
  • SHRUB - a woody plant with branches growing bushy from the ground level.
  • HALF-STANDARD or MINI-STANDARD - a small tree with shorter trunk, its size is usually specified.
  • FEATHERED - These are trees with branches growing already from the base of the trunk and up along the stem.
  • GRASSES and PERENNIALS - Sizes given usually read the diameter of the pot or the clump, as specified.
LARGE PLANTS over 150 cmspecimens, screening and hedging shrubs

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