RUDBECKIA missouriensis

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GOLD NUGGET SEED ® RUDBECKIA missouriensis   Seeds (Image Rights)

RUDBECKIA missouriensis

Missouri Coneflower, Black-Eyed Susan
Select Item No. RG173

Also available as:

1000 Seeds

Available

The minimum order quantity for this article are 200 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 - Illinois, Missouri, Oklahoma, Arkansas, Texas and Louisiana
Special Features: Showy golden flowers with attractive, narrow, hairy stems and leaves. A good choice for naturalizing or for the border.
 
Basic Colour: (yellow / gold)
Flower Colour: golden with black center
Natural Flowering Period: July - September
 
Winter Hardiness Zones: Z5 - Z8
Foliage: hairy, lanceolate, narrow
Growth Habit: upright, erect / graceful
Height with Flowers: 40 cm
Spacing between Plants: 40 cm
Soil Requirements: dry / well-drained
Location:
Usage: honey-bee food plant / for the rock garden
Grams per 1000 seeds: 0.78431 Gram
Seeds per Gram
(does not correspond to the number of plants!):
1275
Sowing Rates/Trays: 2 per cell
Plug tray recommended size(s): 128 / 288
Sowing Direction:

(16) See 15 with the exception of germination being slower and more irregular. This poses no problems.

(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 Time Hint: Light-germinator, do not cover, night 18°C, day 26°C.
Sowing to Germination: 3 - 4 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: There is no current research on vernalization but a prudent recommendation for any perennial would be 6-12 weeks (a few might need 15 weeks!) at an average daily temperature of 40°F (5°C). Exposure to cold may not be necessary for flowering but might improve quality.
Forcing: This species is not a suitable candidate for forcing.
Fertilizer: Medium (150-200 ppm)
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