NC State Extension

Dianthus ‘Sweet White’

Dianthus 'Sweet White'

Trial: Annual

Year Trialed: 2004

Year of Trial: First (from 2004 report)

Good Qualities:

Great color (2): Easy to grow (2); Uniform growing habit, strong stems; Lasted long time infield and in cooler; Good for bouquets, nice dark foliage, quick to produce; Initial spike was very strong with a globular shape – almost perfectly round, nice old spice fragrance, strong growth; Very productive; Was started and planted in field the same time as ‘Amazon Neon’ dianthus and it bloomed 2 weeks earlier than the Amazon, this was a nice clean white Dianthus; Germinated great; Great fragrance; In the tunnel, early, similar to ‘Sweet Purple’, second flush in fall, but short (Zone 5), color nice contrast to others in series, and to ‘Neon’; Outside, similar to other Sweet series in earliness and height and productivity, color unique to this series so far; Strong stems, doesn’t need support net, nice compact clump of bright white flowers, no fragrance, I am hoping this overwinters and has more stems next year; Fragrance, multiple stems produced during flowering season.

Problems:

: Too short (2); Some mildew but did not treat; Secondary stems a little weaker than the king flower, but still very good quality and not so tightly round as the initial spike; They weren’t as big and beefy as the ‘Amazon Neon’ but were still nice, not really a problem, just information; Blister beetles ravaged the flowers, picture is on www.hightunnels.org, Sevin controlled the beetles, had to spray twice in August; Thin stems in the tunnel; Outside, height compared to Amazons; Blossoms browned easily; Sometimes the flowers were pink rather than white; this cultivar was not as floriferous as red and purple; this cultivar had shorter stems than the red and purple cultivars; secondary stems are sometimes weak.

Postharvest:

Did not use any postharvesting – cut into plain water; They were pretty easy to take care of, they do have a tendency to snap at the joints when I was handling them to strip leaves.

Comments:

Looks like the same genetics as ‘Neon Duo’ which is good; Similar to other dianthus; Good cut flower; Flowering without a chill requirement is a real plus, white is always a good cut flower; Good germination, sowed in greenhouse 2/3/04, transplanted to 128 cells, harvest period from 6/30-7/14/04; I really liked (and so did my customers) all the colors in the sweet series of Dianthus; Support wire was necessary; Dianthus barbatus is a biennial; flower production per plant during the first year was very good; however, we have left these plants in the field over witner to determine if they will flower better the second year.

Trial Data

Dianthus ‘Sweet White’
Yield (stems/plant) Stem Length (inches) Market Appreciation Rating – Wholesale (1) Market Appreciation Rating – Retail (1) Market Appreciation Rating – Consumer (1) Repeat Again Rating (1) Ease of Cultivation Rating (1) Average Spacing (in2) Average Postharvest Life (days)
Average 4.5 14.8 3.5 4.3 3.4 3.4 4.4 106 8.4
Range of Responses 1-8 8-28 3-4 3-5 1-5 1-5 2-5 16-216 7-11

(1) 1 to 5 scale, with 5 being the best. Market ratings are based on sales to wholesalers, retailers, or final consumers direct.

Supplier

PanAmerican Seed

P.O. Box 438

West Chicago, IL 60186

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