ECHINACEA purpurea 'Rubinstern'

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ECHINACEA purpurea 'Rubinstern'

Ruby Star Purple Coneflower
[Ruby Star]
Select Item No. RA183

Available

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



Plant Description

Life Cycle: Perennial
Family: Asteraceae
Origin: North America: Ohio und Michigan south to Georgia, west to Oklahoma and northeast Texas.
Distinction: Award of Garden Merit (A.G.M.) from the Royal Horticultural Society.
Special Features: More intense, carmine-red colored blossoms compared to the award-winning ECHINACEA 'Magnus'. Horizontal flower petals, shorter petals but with wider disk. Great as a cut flower, either in bloom, or in the early stages of seed development. Cutflower of the Year 2006 in North America.
Historical: Introduced by JELITTO PERENNIAL SEEDS in 2000.
 
Basic Colour: (red / scarlet / purple)
Flower Colour: Carmine-red
Natural Flowering Period: July - September
 
Winter Hardiness Zones: Z3 - Z8
Foliage: ovate-lanceolate, 20 x 10 cm (8'' x 3'')
Growth Habit: erect / clumping
Height with Flowers: 100 cm
Spacing between Plants: 45 cm
Soil Requirements: well-drained / average
Location:
Usage: honey-bee food plant / suitable for cutting
Grams per 1000 seeds: 3.33333 Gram
Seeds per Gram
(does not correspond to the number of plants!):
300
Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
10 Gram
Sowing Rates/Trays: 2 - 3 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):
Anytime
Sowing to Germination: 2 - 3 weeks
Germination to Transplant: 4 - 8 weeks
Transplanting to Potting: 6 - 10 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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