RATIBIDA columnifera f. pulcherrima

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RATIBIDA columnifera f. pulcherrima

Long-Head Coneflower, Prairie Coneflower
Select Item No. RA064

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: Michigan, Arkansas and Texas, west to Alberta and Arizona
Special Features: Interesting botanical variety with colorful blossoms and a distinctive greyish-brown columnar cone. Easy-to-grow for container production, can be sown directly for well prepared meadow plantings, or transplanted as large plugs. Upright stems rising from a strong taproot.
 
Basic Colour: (red / scarlet / purple)
Flower Colour: red with yellow
Natural Flowering Period: July - October
Flowering: First year flowering
 
Winter Hardiness Zones: Z3 - Z8
Foliage: linear to oblong, occasionally pinnatifid
Growth Habit: erect
Height with Flowers: 70 cm
Spacing between Plants: 70 cm
Soil Requirements: dry / well-drained / average
Location:
Usage: suitable for cutting
Grams per 1000 seeds: 0.95238 Gram
Seeds per Gram
(does not correspond to the number of plants!):
1050
Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
5 Gram
Sowing Rates/Trays: 3 per cell
Plug tray recommended size(s): 128 / 288
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 plug per 8/9 cm (3 1/2") / 1-2 plugs per 11/12 cm (4 1/2")
Vernalization: No vernalization required for flowering in the first year.
Forcing: This species is not a suitable candidate for forcing.
Fertilizer: Medium (150-200 ppm)
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