OENOTHERA harringtonii

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OENOTHERA harringtonii

Colorado Springs Evening Primrose
Select Item No. OA024

Available

1 Portion contains 20-250 seeds depending on value and size.
Please switch to gram for larger quantities.



Plant Description

Life Cycle: Biennial
Family: Onagraceae
Origin: Parts of the Western USA, often at elevations between 900 - 2500 meters (3000' - 8000').
Special Features: Large white, sweet-scented, saucer-shaped blossoms and grey-green leaves. Very drought resistant.
 
Basic Colour: (white / cream)
Flower Colour: white
Natural Flowering Period: June - August
 
Winter Hardiness Zones: Z3 - Z7
Foliage: oblong, grey-green, toothed along the edges
Growth Habit: low-growing / bushy
Height with Flowers: 40 cm
Spacing between Plants: 30 cm
Soil Requirements: gritty / well-drained / rocky / average
Location:
Usage: for the rock garden
Portion weight: 0.3 Gram
Grams per 1000 seeds: 1.63934 Gram
Seeds per Gram
(does not correspond to the number of plants!):
610
Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
7 Gram
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 - 4 weeks
Germination to Transplant: 4 - 6 weeks
Transplanting to Potting: 6 - 8 weeks
Container Size(s): 1 plug per 8/9 cm (3 1/2") / 1-2 plugs per 11/12 cm (4 1/2")
Fertilizer: Light (100-150 ppm)
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