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Dianthus ‘Sweet Red’

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Trial: Annual

Years Trialed: Year 1: 2004  Year 2: 2005

Dianthus 'Sweet Red'

Good Qualities

Year 1

Good, true red color (7); Early flowering (4); Easy to grow (2); Productive (2); No pests; Lasted long time in field and in cooler; Long lasting in a vase; In bloom for 4th July red/white/blue bouquets, large flowers; Good for bouquets, nice dark foliage; No problems; Very productive, however stopped picking because it seemed like the heat burned the flowers; Bloomed 2 weeks earlier than Amazon Neon; Germinated great; Great fragrance; In the tunnel, produces a second flush in fall (Zone 5) but these have short stems; Outside, similar to Sweet Purple; Ease of use in arrangements, long stems, easy harvest; I really liked the intensity and strength of this color. Very gold and an excellent foil for softer colors; Fragrance, multiple stems produced during flowering season.

Year 2

Nice dark red color (9) that blended well with other colors (2); Multiple branching (2); Sturdy stems (3); Repeat flowering (3); Well-filled blooms, some frost tolerance, blooms longer than ‘Radiants’, but not as long as ‘Amazons’; Fast growing plants; High yielding; Light, pleasant fragrance, fall rebloom, few singles, possible opportunity for some return or reseeding to get another crop (earlier) next year; Hardy; Good stem length – vigorous grower; Good second growth; Nicest dark red dianthus I’ve tried; Good length, strong stem, better stem length than the other colors.

Problems

Year 1

Too short (2); Somewhat spindley, side branches too thin f/use, florets would look 1/3 gone (black-ish) on flowerhead, while others were vivid red; No problems; Side shoots a lot shorter then centers in tunnel 20-24 centers, sides 12-19-16 average, field grown most not harvested because the centers turned brown before completely opened (very rainy Summer); This one always had old flowers that deterred from the new ones; Didn’t pick as many of these as we could have because the heat made the flowers look burnt (at least we assumed it was the heat); Blister beetles ravaged the flowers, picture is on www.hightunnels.org, Sevin controlled the beetles, had to spray twice in August; In the tunnel, flowered 2-4 days later than Sweet Purple, but better stem length; Outside, stem length is better than Sweet Purple, but still not as good as the Amazons; Plants rotted in garden; Stem length variability; Secondary stems are sometimes weak.

Year 2

Short stems (2); Not as strong as ‘Amazon’; Bolted too quickly to be much value this season due to excessive heat and severe drought; We prefer longer stems – but probably will be taller the second year; Small blooms, died quickly; Poor vigor, small heads.

Postharvest

Year 1

Hydraflor /Floralife; 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. Editor’s note: see separate postharvest article in this issue for more information.

Comments

Year 1

Similar to Amazon (2), though quite a bit shorter and thinner; Looks like the same genetics as Neon Duo which is good; Much preferable to Neon Duo series, despite intensity of this red; Wouldn’t grow again until it’s longer and stronger stemmed; Good cut flower; The tunnel grown were available for red/white & blue bouquets for July 2 sales; Sowed 2/3/04 in greenhouse, transplanted to 128 cell, harvested from 6/25-7/2/04; Rotting problem might have been poor siting and planting too deep (seeting at planting time) would be interesting to try again; 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 winter to determine if they will flower better the second year.

Year 2

Heat and rain did not effect growth or flowering; Made it through a Tropical Depression, hail and lots of rain for weeks w/no discoloring; Seeded to flats 1/25/05, transplanted 75 plants to the field, harvest interval 6/22 – 7/7; Think it might be a useful flower/color with an earlier start to its growth; Did well; The color range and flower size is very good in this series, but ‘Amazon’ is still more outstanding.

Trial Data

Year 1

Dianthus ‘Sweet Red’
Yield (stems/plant) Stem Length (inches) Market Appreciation Rating¹ Repeat Again Rating¹ Ease of Cultivation Rating¹ Average Spacing (in2) Average Postharvest Life (days)
Wholesale Retail Consumer
Average 5.5 15.2 3.4 3.6 3.6 3.5 4.4 91 9.1
Range of Responses 1-10 6-28 2-4 2-5 2-5 1-5 2-5 36-192 7-16

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

Year 2

Dianthus ‘Sweet Red’
Yield (stems/plant) Stem Length (inches) Market Appreciation Rating¹ Repeat Again Rating¹ Ease of Cultivation Rating¹ Average Spacing (in2) Average Postharvest Life (days)
Wholesale Retail Consumer
Average 8.4 13.1 4.0 3.9 3.8 3.5 3.8 105 6.9
Range of Responses 1-12 6-17 4.0 4-5 3-5 1-5 3-5 9-288 4-10

¹1 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

Page Last Updated: 4 months ago
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