RUDBECKIA fulgida var. sullivantii 'Goldsturm'

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GOLD NUGGET SEED ® RUDBECKIA fulgida var. sullivantii  'Goldsturm' Seeds

RUDBECKIA fulgida var. sullivantii 'Goldsturm'

Coneflower, Black-Eyed Susan
Select Item No. RG164

Also available as:

1000 Seeds


The minimum order quantity for this article are 300 seeds.

There are no units prepacked, any seed amount ( > minimum quantity) is weighed individually.

Plant Description

Article Type: (GOLD NUGGET SEED ®)
Life Cycle: Perennial
Family: Asteraceae
Origin: USA (Conneticut to North Carolina, west to Michigan and Missouri)
Distinction: Award of Garden Merit (A.G.M.) from the Royal Horticultural Society.
Selected as Perennial Plant of the year from the PPA (Perennial Plant Association).
Special Features: A durable, low maintenance, pest-free plant. Among the most popular of all perennials. Perennial Plant of the Year 1999 in North America.
Historical: The Bot. Garden of the University Graz received seed from USA and also handed them to Gebr. Schütz. During a privat visit Heinrich Hagemann (at this time the headgardener at Karl Foerster's nursery) noticed the plant and brought them to Karl Foerster's nursery in Potsdam, Germany in 1937. Seeing the flowers in 1938 for the first time, Foerster annointed this North American species 'Goldsturm' (Gold Sturm').
Basic Colour: (yellow / gold)
Flower Colour: golden with dark center
Natural Flowering Period: July - October
Winter Hardiness Zones: Z3 - Z8
Foliage: ovate, dark green
Growth Habit: erect / rosettes-forming / round
Height with Flowers: 70 cm
Spacing between Plants: 45 cm
Soil Requirements: average
Characteristics: groundcover
Usage: honey-bee food plant / suitable for cutting
Portion weight: 0.2727 Gram
Grams per 1000 seeds: 0.90909 Gram
Seeds per Gram
(does not correspond to the number of plants!):
Sowing Rates/Trays: 2 per cell
Plug tray recommended size(s): 72 / 128
Sowing Direction:

(15) Rapidly germinating, keep seed in constant moisture (not wet) with temperatures of about +20°C [68°F]. Seeds must be covered thinly. Do not cover very small seeds, but tightly press into the earth. Keep in cooler conditions after germination occurs.

Best Sowing Date
(northern Hemisphere, Field condition):
Sowing Time Hint: Light-germinator, do not cover, night 18°C, day 26°C.
Sowing to Germination: 3 - 4 weeks
Germination to Transplant: 4 - 6 weeks
Transplanting to Potting: 4 - 6 weeks
Container Size(s): 1-2 plugs per 11/12 cm (4 1/2") / 2-3 plugs per 15 cm (6")
Fertilizer: Medium (150-200 ppm)
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