ECHINACEA paradoxa var. paradoxa

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Organic seed ECHINACEA paradoxa var. paradoxa   Portion(s) (Image Rights)

ECHINACEA paradoxa var. paradoxa

Yellow Coneflower
(RUDBECKIA)
Select Item No. EO006

Also available as:

Available

One Portion is usually sufficient for approx. 50 plants.
Please switch to gram for larger quantities.



Plant Description

Article Type: (Organic Seed DE-ÖKO-006)
Life Cycle: Perennial
Family: Asteraceae
Origin: Rocky slopes in Missouri, Arkansas, Kansas, Oklahoma and Texas
Special Features: Yellow petals versus the rose-purple colored blossoms of most coneflowers. A paradox, indeed!
 
Basic Colour: (yellow / gold)
Flower Colour: bright yellow
Natural Flowering Period: July - October
 
Winter Hardiness Zones: Z4 - Z9
Foliage: narrow, pubescent
Growth Habit: upright, erect
Height with Flowers: 80 cm
Spacing between Plants: 45 cm
Soil Requirements: average
Location:
Characteristics: medicinal plant
Usage: honey-bee food plant / suitable for cutting
Grams per 1000 seeds: 5.88235 Gram
Seeds per Gram
(does not correspond to the number of plants!):
170
Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
15 Gram
Sowing Rates/Trays: 3 per cell
Plug tray recommended size(s): 72 / 128
Sowing Direction:

(9) These seeds germinate rapidly depending on species and origin. If germination does not occur after 3–4 weeks a cooling period of 2–4 weeks is recommended.

Best Sowing Date
(northern Hemisphere, Field condition):
late autumn - early spring
Sowing to Germination: 4 - 8 weeks
Germination to Transplant: 4 - 6 weeks
Transplanting to Potting: 6 - 8 weeks
Cutting back at Transplanting: Not Necessary.
Container Size(s): 1-2 plugs per 11/12 cm (4 1/2") / 2-3 plugs per 15 cm (6")
Vernalization: Some flowering will occur the first year without vernalization, but improved flowering will occur the 2nd year; and 3-10 weeks of cool temperatures might benefit fuller flowering in the first year.
Forcing: There has been no research, but an obvious place to experiment - following vernalization - would be raising daytime temperatures to 60° - 65°F (15° - 17°C). Provide 16 hours of continuous lighting. During the short days of winter, provide a night interruption lighting of 4 hours between 10:00 p.m. and 2:00 a.m. Some later flowering species can be forced in 14 - 16 weeks and perhaps sooner at warmer temperatures. Further experiments are warranted.
Fertilizer: Medium (150-200 ppm)
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