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Delphinium ‘Et Dlp 17-10’ DELGENIUS GLITZY larkspur
Delphinium
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 fat one). There are several species that are hybridized with one another so often that in the horticultural world today, rather than species, they are classified as groups that differ from each other in appearance. They are Belladonna Group (upright growth, well-branched, upright, loose spikes with single flowers), Elatum Group (upright growth, often tall, dense spikes with large, single or double flowers), Pacific Hybrids (similar to Elatum but short-lived, rich coloured flowers ), grandiflorum (low growth, small flowers on low stems, short-lived or cultivated as annuals).
Delgenius™ is a larkspur series bred by Dutch breeders Bart Noordhuis and Elisabeth Bisschop for Eternal Plant Boijl BV. Their aim was to come up with varieties that are not only beautiful, but mainly reliable and with better garden performance as opposed to many attractive but short-lived varieties. These are multiple hybrids of elatum and belladonna, which combine the best of each – fully double flowers, beautiful colours, branched stems, and attractive leaves. As of 2025, the series comprises of 7 varieties: Blue Fabulosa, Breezin, Chantay, Glitzy, Kingsley, Neva a Shelby.
DELGENIUS GLITZY larkspur stands out with its compact, almost shrubby habit, strong stems that require no staking, and lush inflorescences composed of semi-double flowers in shades of inky blue to bluish-purple, featuring a uniquely bicoloured white-and-black “bee” at the centre. Deciduous leaves are dark green, matte, palmately divided and distinctly incised. Flowering stems are 40-60 cm tall and the flowers open from the bottom upwards. The main blooming season starts in June and continues until early July. Then the plant spontaneously but scarcely reblooms until late summer, or you can cut it back to the ground after the main blooming phase and let it regrow, which will lead to a second, relatively strong flush of flowers in September and October. It is so beautiful to have a fresh new clump with vibrant flowers late in the season when other perennials have lost their charm and energy. Plant patent No. PP32993 was granted in 2021.
Grow larkspur in any moist but 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. The plant belongs among medium-lived with a life span of 4-6 years, unless you dig out the clumps in the spring, divide them and plant back only the young and healthy ones, disposing of exhausted and old mother plant’s roots. Use a high phosphorus fertilizer every year for profuse flowering. Fully hardy to min. -34°C (USDA zone 4), possibly more.
Last update 28-07-2025
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- 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.
